diff options
| author | Dag-Erling Smørgrav <des@FreeBSD.org> | 2023-08-28 15:32:23 +0000 |
|---|---|---|
| committer | Dag-Erling Smørgrav <des@FreeBSD.org> | 2023-09-07 20:28:30 +0000 |
| commit | bae932999e0fa9e9a08d84ca992332c57e5b42be (patch) | |
| tree | 79606decab963220775d3683bc078f4adc8ba960 | |
| parent | 70fbe797c0f6806d51708a9ef96ee02cb0c6d10d (diff) | |
| download | src-bae932999e0fa9e9a08d84ca992332c57e5b42be.tar.gz src-bae932999e0fa9e9a08d84ca992332c57e5b42be.zip | |
libc: Implement N2630.
This adds formatted input/output of binary integer numbers to the printf(), scanf(), and strtol() families, including their wide-character counterparts.
Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41511
(cherry picked from commit d9dc1603d6e48cca84cad3ebe859129131b8387c)
libc: Add unit tests for N2630 and possible collateral damage.
Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41512
(cherry picked from commit b9385720f34b536ef2568a642e8b1fad0450056f)
libc: Document support for binary integers.
Reviewed by: debdrup, emaste
Differential Revision: https://reviews.freebsd.org/D41522
(cherry picked from commit 76edfabbecdec686a570b8e009d5ea4112f943e0)
libc: Fix fixed-width case in the new integer parser.
Fixes: d9dc1603d6e4
Differential Revision: https://reviews.freebsd.org/D41622
(cherry picked from commit aca3bd1602577591e5cd237c4bb0bb71b3be0c75)
libc: Add a wide version of snprintf_test.
Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41726
(cherry picked from commit 4ec9ee9912765ac4ca57353999caa92a23283d8e)
libc: Suppress format checks on printf() / scanf() tests.
Reviewed by: jrtc27, markj, emaste
Differential Revision: https://reviews.freebsd.org/D41727
(cherry picked from commit 294bd2827e61a78041f6613f4b82235fcc454157)
Approved by: re (gjb)
29 files changed, 1315 insertions, 259 deletions
diff --git a/contrib/netbsd-tests/lib/libc/stdlib/t_strtol.c b/contrib/netbsd-tests/lib/libc/stdlib/t_strtol.c index 54e190760656..d1027fcc7bb1 100644 --- a/contrib/netbsd-tests/lib/libc/stdlib/t_strtol.c +++ b/contrib/netbsd-tests/lib/libc/stdlib/t_strtol.c @@ -94,6 +94,12 @@ ATF_TC_BODY(strtol_base, tc) { "01234567", 342391, 0, NULL }, { "0123456789", 123456789, 10, NULL }, { "0x75bcd15", 123456789, 0, NULL }, +#ifdef __FreeBSD__ + { "0x", 0, 0, "x" }, + { "0b111010110111100110100010101", 123456789, 0, NULL }, + { "0b0123", 1, 0, "23" }, + { "0b", 0, 0, "b" }, +#endif }; long long int lli; diff --git a/lib/libc/iconv/_strtol.h b/lib/libc/iconv/_strtol.h index d183edbe8c3a..94a13c56db98 100644 --- a/lib/libc/iconv/_strtol.h +++ b/lib/libc/iconv/_strtol.h @@ -91,6 +91,13 @@ _FUNCNAME(const char *nptr, char **endptr, int base) s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == '0' && (*s == 'b' || *s == 'B') && + (s[1] >= '0' && s[1] <= '1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = (c == '0' ? 8 : 10); diff --git a/lib/libc/iconv/_strtoul.h b/lib/libc/iconv/_strtoul.h index eade72e9c2e6..4944e1fb06e0 100644 --- a/lib/libc/iconv/_strtoul.h +++ b/lib/libc/iconv/_strtoul.h @@ -87,6 +87,13 @@ _FUNCNAME(const char *nptr, char **endptr, int base) s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == '0' && (*s == 'b' || *s == 'B') && + (s[1] >= '0' && s[1] <= '1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = (c == '0' ? 8 : 10); diff --git a/lib/libc/locale/wcstoimax.c b/lib/libc/locale/wcstoimax.c index 259faa2b011c..5ed949cd0531 100644 --- a/lib/libc/locale/wcstoimax.c +++ b/lib/libc/locale/wcstoimax.c @@ -86,6 +86,13 @@ wcstoimax_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == L'0' && (*s == L'b' || *s == L'B') && + (s[1] >= L'0' && s[1] <= L'1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == L'0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/locale/wcstol.c b/lib/libc/locale/wcstol.c index b0b787384f39..1678b615ca1c 100644 --- a/lib/libc/locale/wcstol.c +++ b/lib/libc/locale/wcstol.c @@ -80,6 +80,13 @@ wcstol_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, int s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == L'0' && (*s == L'b' || *s == L'B') && + (s[1] >= L'0' && s[1] <= L'1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == L'0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/locale/wcstoll.c b/lib/libc/locale/wcstoll.c index ac07d6c6adbf..ef1e6ef58861 100644 --- a/lib/libc/locale/wcstoll.c +++ b/lib/libc/locale/wcstoll.c @@ -86,6 +86,13 @@ wcstoll_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == L'0' && (*s == L'b' || *s == L'B') && + (s[1] >= L'0' && s[1] <= L'1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == L'0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/locale/wcstoul.c b/lib/libc/locale/wcstoul.c index 9f58db799c0e..2c9c8820b1f6 100644 --- a/lib/libc/locale/wcstoul.c +++ b/lib/libc/locale/wcstoul.c @@ -80,6 +80,13 @@ wcstoul_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == L'0' && (*s == L'b' || *s == L'B') && + (s[1] >= L'0' && s[1] <= L'1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == L'0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/locale/wcstoull.c b/lib/libc/locale/wcstoull.c index cbc7253f884d..692eb90eef6b 100644 --- a/lib/libc/locale/wcstoull.c +++ b/lib/libc/locale/wcstoull.c @@ -86,6 +86,13 @@ wcstoull_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == L'0' && (*s == L'b' || *s == L'B') && + (s[1] >= L'0' && s[1] <= L'1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == L'0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/locale/wcstoumax.c b/lib/libc/locale/wcstoumax.c index 4380cccf2424..c4f2ec3aaf41 100644 --- a/lib/libc/locale/wcstoumax.c +++ b/lib/libc/locale/wcstoumax.c @@ -86,6 +86,13 @@ wcstoumax_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == L'0' && (*s == L'b' || *s == L'B') && + (s[1] >= L'0' && s[1] <= L'1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == L'0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/stdio/printf.3 b/lib/libc/stdio/printf.3 index 3e5c6ca23511..110851e2a421 100644 --- a/lib/libc/stdio/printf.3 +++ b/lib/libc/stdio/printf.3 @@ -31,7 +31,7 @@ .\" .\" @(#)printf.3 8.1 (Berkeley) 6/4/93 .\" -.Dd May 22, 2018 +.Dd August 21, 2023 .Dt PRINTF 3 .Os .Sh NAME @@ -212,6 +212,17 @@ and .Cm u conversions, this option has no effect. For +.Cm b +and +.Cm B +conversions, a non-zero result has the string +.Ql 0b +(or +.Ql 0B +for +.Cm B +conversions) prepended to it. +For .Cm o conversions, the precision of the number is increased to force the first character of the output string to a zero. @@ -245,7 +256,7 @@ For all conversions except .Cm n , the converted value is padded on the left with zeros rather than blanks. If a precision is given with a numeric conversion -.Cm ( d , i , o , u , i , x , +.Cm ( b , B , d , i , o , u , i , x , and .Cm X ) , the @@ -301,7 +312,7 @@ followed by an optional digit string. If the digit string is omitted, the precision is taken as zero. This gives the minimum number of digits to appear for -.Cm d , i , o , u , x , +.Cm b , B , d , i , o , u , x , and .Cm X conversions, the number of digits to appear after the decimal-point for @@ -319,12 +330,12 @@ conversions. .It An optional length modifier, that specifies the size of the argument. The following length modifiers are valid for the -.Cm d , i , n , o , u , x , +.Cm b , B , d , i , n , o , u , x , or .Cm X conversion: .Bl -column ".Cm q Em (deprecated)" ".Vt signed char" ".Vt unsigned long long" ".Vt long long *" -.It Sy Modifier Ta Cm d , i Ta Cm o , u , x , X Ta Cm n +.It Sy Modifier Ta Cm d , i Ta Cm b , B , o , u , x , X Ta Cm n .It Cm hh Ta Vt "signed char" Ta Vt "unsigned char" Ta Vt "signed char *" .It Cm h Ta Vt short Ta Vt "unsigned short" Ta Vt "short *" .It Cm l No (ell) Ta Vt long Ta Vt "unsigned long" Ta Vt "long *" @@ -339,7 +350,7 @@ Note: the .Cm t modifier, when applied to a -.Cm o , u , x , +.Cm b , B , o , u , x , or .Cm X conversion, indicates that the argument is of an unsigned type @@ -403,11 +414,16 @@ If a single format directive mixes positional and non-positional arguments, the results are undefined. .Pp The conversion specifiers and their meanings are: -.Bl -tag -width ".Cm diouxX" -.It Cm diouxX +.Bl -tag -width ".Cm bBdiouxX" +.It Cm bBdiouxX The .Vt int -(or appropriate variant) argument is converted to signed decimal +(or appropriate variant) argument is converted to +unsigned binary +.Cm ( b +and +.Cm B ) , +signed decimal .Cm ( d and .Cm i ) , diff --git a/lib/libc/stdio/printfcommon.h b/lib/libc/stdio/printfcommon.h index ac5aed0a5fcd..411b778dc234 100644 --- a/lib/libc/stdio/printfcommon.h +++ b/lib/libc/stdio/printfcommon.h @@ -194,6 +194,13 @@ __ultoa(u_long val, CHAR *endp, int base, int octzero, const char *xdigs) } while (sval != 0); break; + case 2: + do { + *--cp = to_char(val & 1); + val >>= 1; + } while (val); + break; + case 8: do { *--cp = to_char(val & 7); @@ -244,6 +251,13 @@ __ujtoa(uintmax_t val, CHAR *endp, int base, int octzero, const char *xdigs) } while (sval != 0); break; + case 2: + do { + *--cp = to_char(val & 1); + val >>= 1; + } while (val); + break; + case 8: do { *--cp = to_char(val & 7); diff --git a/lib/libc/stdio/scanf.3 b/lib/libc/stdio/scanf.3 index b1c50e10a795..6cefdb133983 100644 --- a/lib/libc/stdio/scanf.3 +++ b/lib/libc/stdio/scanf.3 @@ -31,7 +31,7 @@ .\" .\" @(#)scanf.3 8.2 (Berkeley) 12/11/93 .\" -.Dd April 2, 2022 +.Dd August 21, 2023 .Dt SCANF 3 .Os .Sh NAME @@ -141,7 +141,7 @@ The conversion that follows occurs as usual, but no pointer is used; the result of the conversion is simply discarded. .It Cm hh Indicates that the conversion will be one of -.Cm dioux +.Cm bdioux or .Cm n and the next pointer is a pointer to a @@ -150,7 +150,7 @@ and the next pointer is a pointer to a .Vt int ) . .It Cm h Indicates that the conversion will be one of -.Cm dioux +.Cm bdioux or .Cm n and the next pointer is a pointer to a @@ -159,7 +159,7 @@ and the next pointer is a pointer to a .Vt int ) . .It Cm l No (ell) Indicates that the conversion will be one of -.Cm dioux +.Cm bdioux or .Cm n and the next pointer is a pointer to a @@ -185,7 +185,7 @@ and the next pointer is a pointer to an array of .Vt char ) . .It Cm ll No (ell ell) Indicates that the conversion will be one of -.Cm dioux +.Cm bdioux or .Cm n and the next pointer is a pointer to a @@ -201,7 +201,7 @@ and the next pointer is a pointer to .Vt "long double" . .It Cm j Indicates that the conversion will be one of -.Cm dioux +.Cm bdioux or .Cm n and the next pointer is a pointer to a @@ -210,7 +210,7 @@ and the next pointer is a pointer to a .Vt int ) . .It Cm t Indicates that the conversion will be one of -.Cm dioux +.Cm bdioux or .Cm n and the next pointer is a pointer to a @@ -219,7 +219,7 @@ and the next pointer is a pointer to a .Vt int ) . .It Cm z Indicates that the conversion will be one of -.Cm dioux +.Cm bdioux or .Cm n and the next pointer is a pointer to a @@ -229,7 +229,7 @@ and the next pointer is a pointer to a .It Cm q (deprecated.) Indicates that the conversion will be one of -.Cm dioux +.Cm bdioux or .Cm n and the next pointer is a pointer to a @@ -273,6 +273,10 @@ matches a single input .Ql % character. No conversion is done, and assignment does not occur. +.It Cm b , B +Matches an optionally signed binary integer; +the next pointer must be a pointer to +.Vt "unsigned int" . .It Cm d Matches an optionally signed decimal integer; the next pointer must be a pointer to @@ -281,7 +285,12 @@ the next pointer must be a pointer to Matches an optionally signed integer; the next pointer must be a pointer to .Vt int . -The integer is read in base 16 if it begins +The integer is read +in base 2 if it begins with +.Ql 0b +or +.Ql 0B , +in base 16 if it begins with .Ql 0x or diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c index ad655c5d78d4..5e5a9b5e31c1 100644 --- a/lib/libc/stdio/vfprintf.c +++ b/lib/libc/stdio/vfprintf.c @@ -613,6 +613,19 @@ reswitch: switch (ch) { case 'z': flags |= SIZET; goto rflag; + case 'B': + case 'b': + if (flags & INTMAX_SIZE) + ujval = UJARG(); + else + ulval = UARG(); + base = 2; + /* leading 0b/B only if non-zero */ + if (flags & ALT && + (flags & INTMAX_SIZE ? ujval != 0 : ulval != 0)) + ox[1] = ch; + goto nosign; + break; case 'C': flags |= LONGINT; /*FALLTHROUGH*/ diff --git a/lib/libc/stdio/vfscanf.c b/lib/libc/stdio/vfscanf.c index cc2e1e428321..9727c9e70c34 100644 --- a/lib/libc/stdio/vfscanf.c +++ b/lib/libc/stdio/vfscanf.c @@ -6,6 +6,8 @@ * * Copyright (c) 2011 The FreeBSD Foundation * + * Copyright (c) 2023 Dag-Erling Smørgrav + * * Portions of this software were developed by David Chisnall * under sponsorship from the FreeBSD Foundation. * @@ -81,16 +83,6 @@ static char sccsid[] = "@(#)vfscanf.c 8.1 (Berkeley) 6/4/93"; #define UNSIGNED 0x8000 /* %[oupxX] conversions */ /* - * The following are used in integral conversions only: - * SIGNOK, NDIGITS, PFXOK, and NZDIGITS - */ -#define SIGNOK 0x40 /* +/- is (still) legal */ -#define NDIGITS 0x80 /* no digits detected */ -#define PFXOK 0x100 /* 0x prefix is (still) legal */ -#define NZDIGITS 0x200 /* no zero digits detected */ -#define HAVESIGN 0x10000 /* sign detected */ - -/* * Conversion types. */ #define CT_CHAR 0 /* %c conversion */ @@ -307,129 +299,160 @@ convert_wstring(FILE *fp, wchar_t *wcp, int width, locale_t locale) return (n); } +enum parseint_state { + begin, + havesign, + havezero, + haveprefix, + any, +}; + +static __inline int +parseint_fsm(int c, enum parseint_state *state, int *base) +{ + switch (c) { + case '+': + case '-': + if (*state == begin) { + *state = havesign; + return 1; + } + break; + case '0': + if (*state == begin || *state == havesign) { + *state = havezero; + } else { + *state = any; + } + return 1; + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + if (*state == havezero && *base == 0) { + *base = 8; + } + /* FALL THROUGH */ + case '8': + case '9': + if (*state == begin || + *state == havesign) { + if (*base == 0) { + *base = 10; + } + } + if (*state == begin || + *state == havesign || + *state == havezero || + *state == haveprefix || + *state == any) { + if (*base > c - '0') { + *state = any; + return 1; + } + } + break; + case 'b': + if (*state == havezero) { + if (*base == 0 || *base == 2) { + *state = haveprefix; + *base = 2; + return 1; + } + } + /* FALL THROUGH */ + case 'a': + case 'c': + case 'd': + case 'e': + case 'f': + if (*state == begin || + *state == havesign || + *state == havezero || + *state == haveprefix || + *state == any) { + if (*base > c - 'a' + 10) { + *state = any; + return 1; + } + } + break; + case 'B': + if (*state == havezero) { + if (*base == 0 || *base == 2) { + *state = haveprefix; + *base = 2; + return 1; + } + } + /* FALL THROUGH */ + case 'A': + case 'C': + case 'D': + case 'E': + case 'F': + if (*state == begin || + *state == havesign || + *state == havezero || + *state == haveprefix || + *state == any) { + if (*base > c - 'A' + 10) { + *state = any; + return 1; + } + } + break; + case 'x': + case 'X': + if (*state == havezero) { + if (*base == 0 || *base == 16) { + *state = haveprefix; + *base = 16; + return 1; + } + } + break; + } + return 0; +} + /* - * Read an integer, storing it in buf. The only relevant bit in the - * flags argument is PFXOK. + * Read an integer, storing it in buf. * * Return 0 on a match failure, and the number of characters read * otherwise. */ static __inline int -parseint(FILE *fp, char * __restrict buf, int width, int base, int flags) +parseint(FILE *fp, char * __restrict buf, int width, int base) { - /* `basefix' is used to avoid `if' tests */ - static const short basefix[17] = - { 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }; + enum parseint_state state = begin; char *p; int c; - flags |= SIGNOK | NDIGITS | NZDIGITS; for (p = buf; width; width--) { - c = *fp->_p; - /* - * Switch on the character; `goto ok' if we accept it - * as a part of number. - */ - switch (c) { - - /* - * The digit 0 is always legal, but is special. For - * %i conversions, if no digits (zero or nonzero) have - * been scanned (only signs), we will have base==0. - * In that case, we should set it to 8 and enable 0x - * prefixing. Also, if we have not scanned zero - * digits before this, do not turn off prefixing - * (someone else will turn it off if we have scanned - * any nonzero digits). - */ - case '0': - if (base == 0) { - base = 8; - flags |= PFXOK; - } - if (flags & NZDIGITS) - flags &= ~(SIGNOK|NZDIGITS|NDIGITS); - else - flags &= ~(SIGNOK|PFXOK|NDIGITS); - goto ok; - - /* 1 through 7 always legal */ - case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - base = basefix[base]; - flags &= ~(SIGNOK | PFXOK | NDIGITS); - goto ok; - - /* digits 8 and 9 ok iff decimal or hex */ - case '8': case '9': - base = basefix[base]; - if (base <= 8) - break; /* not legal here */ - flags &= ~(SIGNOK | PFXOK | NDIGITS); - goto ok; - - /* letters ok iff hex */ - case 'A': case 'B': case 'C': - case 'D': case 'E': case 'F': - case 'a': case 'b': case 'c': - case 'd': case 'e': case 'f': - /* no need to fix base here */ - if (base <= 10) - break; /* not legal here */ - flags &= ~(SIGNOK | PFXOK | NDIGITS); - goto ok; - - /* sign ok only as first character */ - case '+': case '-': - if (flags & SIGNOK) { - flags &= ~SIGNOK; - flags |= HAVESIGN; - goto ok; - } + c = __sgetc(fp); + if (c == EOF) break; - - /* - * x ok iff flag still set & 2nd char (or 3rd char if - * we have a sign). - */ - case 'x': case 'X': - if (flags & PFXOK && p == - buf + 1 + !!(flags & HAVESIGN)) { - base = 16; /* if %i */ - flags &= ~PFXOK; - goto ok; - } + if (!parseint_fsm(c, &state, &base)) break; - } - - /* - * If we got here, c is not a legal character for a - * number. Stop accumulating digits. - */ - break; - ok: - /* - * c is legal: store it and look at the next. - */ *p++ = c; - if (--fp->_r > 0) - fp->_p++; - else if (__srefill(fp)) - break; /* EOF */ } /* - * If we had only a sign, it is no good; push back the sign. - * If the number ends in `x', it was [sign] '0' 'x', so push - * back the x and treat it as [sign] '0'. + * If we only had a sign, push it back. If we only had a 0b or 0x + * prefix (possibly preceded by a sign), we view it as "0" and + * push back the letter. In all other cases, if we stopped + * because we read a non-number character, push it back. */ - if (flags & NDIGITS) { - if (p > buf) - (void) __ungetc(*(u_char *)--p, fp); - return (0); - } - c = ((u_char *)p)[-1]; - if (c == 'x' || c == 'X') { - --p; + if (state == havesign) { + p--; + (void) __ungetc(*(u_char *)p, fp); + } else if (state == haveprefix) { + p--; + (void) __ungetc(c, fp); + } else if (width && c != EOF) { (void) __ungetc(c, fp); } return (p - buf); @@ -554,6 +577,13 @@ literal: /* * Conversions. */ + case 'B': + case 'b': + c = CT_INT; + flags |= UNSIGNED; + base = 2; + break; + case 'd': c = CT_INT; base = 10; @@ -578,7 +608,6 @@ literal: case 'X': case 'x': - flags |= PFXOK; /* enable 0x prefixing */ c = CT_INT; flags |= UNSIGNED; base = 16; @@ -613,7 +642,7 @@ literal: break; case 'p': /* pointer format is like hex */ - flags |= POINTER | PFXOK; + flags |= POINTER; c = CT_INT; /* assumes sizeof(uintmax_t) */ flags |= UNSIGNED; /* >= sizeof(uintptr_t) */ base = 16; @@ -738,7 +767,7 @@ literal: width = sizeof(buf) - 2; width++; #endif - nr = parseint(fp, buf, width, base, flags); + nr = parseint(fp, buf, width, base); if (nr == 0) goto match_failure; if ((flags & SUPPRESS) == 0) { diff --git a/lib/libc/stdio/vfwprintf.c b/lib/libc/stdio/vfwprintf.c index fc681e8d0575..259a86467ea7 100644 --- a/lib/libc/stdio/vfwprintf.c +++ b/lib/libc/stdio/vfwprintf.c @@ -684,6 +684,19 @@ reswitch: switch (ch) { case 'z': flags |= SIZET; goto rflag; + case 'B': + case 'b': + if (flags & INTMAX_SIZE) + ujval = UJARG(); + else + ulval = UARG(); + base = 2; + /* leading 0b/B only if non-zero */ + if (flags & ALT && + (flags & INTMAX_SIZE ? ujval != 0 : ulval != 0)) + ox[1] = ch; + goto nosign; + break; case 'C': flags |= LONGINT; /*FALLTHROUGH*/ diff --git a/lib/libc/stdio/vfwscanf.c b/lib/libc/stdio/vfwscanf.c index 1a28ff665247..b03c9dba0699 100644 --- a/lib/libc/stdio/vfwscanf.c +++ b/lib/libc/stdio/vfwscanf.c @@ -9,6 +9,8 @@ * * Copyright (c) 2011 The FreeBSD Foundation * + * Copyright (c) 2023 Dag-Erling Smørgrav + * * Portions of this software were developed by David Chisnall * under sponsorship from the FreeBSD Foundation. * @@ -79,16 +81,6 @@ static char sccsid[] = "@(#)vfscanf.c 8.1 (Berkeley) 6/4/93"; #define UNSIGNED 0x8000 /* %[oupxX] conversions */ /* - * The following are used in integral conversions only: - * SIGNOK, NDIGITS, PFXOK, and NZDIGITS - */ -#define SIGNOK 0x40 /* +/- is (still) legal */ -#define NDIGITS 0x80 /* no digits detected */ -#define PFXOK 0x100 /* 0x prefix is (still) legal */ -#define NZDIGITS 0x200 /* no zero digits detected */ -#define HAVESIGN 0x10000 /* sign detected */ - -/* * Conversion types. */ #define CT_CHAR 0 /* %c conversion */ @@ -289,128 +281,161 @@ convert_wstring(FILE *fp, wchar_t *wcp, int width, locale_t locale) return (nread); } +enum parseint_state { + begin, + havesign, + havezero, + haveprefix, + any, +}; + +static __inline int +parseint_fsm(wchar_t c, enum parseint_state *state, int *base) +{ + switch (c) { + case '+': + case '-': + if (*state == begin) { + *state = havesign; + return 1; + } + break; + case '0': + if (*state == begin || *state == havesign) { + *state = havezero; + } else { + *state = any; + } + return 1; + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + if (*state == havezero && *base == 0) { + *base = 8; + } + /* FALL THROUGH */ + case '8': + case '9': + if (*state == begin || + *state == havesign) { + if (*base == 0) { + *base = 10; + } + } + if (*state == begin || + *state == havesign || + *state == havezero || + *state == haveprefix || + *state == any) { + if (*base > c - '0') { + *state = any; + return 1; + } + } + break; + case 'b': + if (*state == havezero) { + if (*base == 0 || *base == 2) { + *state = haveprefix; + *base = 2; + return 1; + } + } + /* FALL THROUGH */ + case 'a': + case 'c': + case 'd': + case 'e': + case 'f': + if (*state == begin || + *state == havesign || + *state == havezero || + *state == haveprefix || + *state == any) { + if (*base > c - 'a' + 10) { + *state = any; + return 1; + } + } + break; + case 'B': + if (*state == havezero) { + if (*base == 0 || *base == 2) { + *state = haveprefix; + *base = 2; + return 1; + } + } + /* FALL THROUGH */ + case 'A': + case 'C': + case 'D': + case 'E': + case 'F': + if (*state == begin || + *state == havesign || + *state == havezero || + *state == haveprefix || + *state == any) { + if (*base > c - 'A' + 10) { + *state = any; + return 1; + } + } + break; + case 'x': + case 'X': + if (*state == havezero) { + if (*base == 0 || *base == 16) { + *state = haveprefix; + *base = 16; + return 1; + } + } + break; + } + return 0; +} + /* - * Read an integer, storing it in buf. The only relevant bit in the - * flags argument is PFXOK. + * Read an integer, storing it in buf. * * Return 0 on a match failure, and the number of characters read * otherwise. */ static __inline int -parseint(FILE *fp, wchar_t *buf, int width, int base, int flags, +parseint(FILE *fp, wchar_t * __restrict buf, int width, int base, locale_t locale) { - /* `basefix' is used to avoid `if' tests */ - static const short basefix[17] = - { 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }; + enum parseint_state state = begin; wchar_t *wcp; int c; - flags |= SIGNOK | NDIGITS | NZDIGITS; for (wcp = buf; width; width--) { c = __fgetwc(fp, locale); - /* - * Switch on the character; `goto ok' if we accept it - * as a part of number. - */ - switch (c) { - - /* - * The digit 0 is always legal, but is special. For - * %i conversions, if no digits (zero or nonzero) have - * been scanned (only signs), we will have base==0. - * In that case, we should set it to 8 and enable 0x - * prefixing. Also, if we have not scanned zero - * digits before this, do not turn off prefixing - * (someone else will turn it off if we have scanned - * any nonzero digits). - */ - case '0': - if (base == 0) { - base = 8; - flags |= PFXOK; - } - if (flags & NZDIGITS) - flags &= ~(SIGNOK|NZDIGITS|NDIGITS); - else - flags &= ~(SIGNOK|PFXOK|NDIGITS); - goto ok; - - /* 1 through 7 always legal */ - case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - base = basefix[base]; - flags &= ~(SIGNOK | PFXOK | NDIGITS); - goto ok; - - /* digits 8 and 9 ok iff decimal or hex */ - case '8': case '9': - base = basefix[base]; - if (base <= 8) - break; /* not legal here */ - flags &= ~(SIGNOK | PFXOK | NDIGITS); - goto ok; - - /* letters ok iff hex */ - case 'A': case 'B': case 'C': - case 'D': case 'E': case 'F': - case 'a': case 'b': case 'c': - case 'd': case 'e': case 'f': - /* no need to fix base here */ - if (base <= 10) - break; /* not legal here */ - flags &= ~(SIGNOK | PFXOK | NDIGITS); - goto ok; - - /* sign ok only as first character */ - case '+': case '-': - if (flags & SIGNOK) { - flags &= ~SIGNOK; - flags |= HAVESIGN; - goto ok; - } + if (c == WEOF) break; - - /* - * x ok iff flag still set & 2nd char (or 3rd char if - * we have a sign). - */ - case 'x': case 'X': - if (flags & PFXOK && wcp == - buf + 1 + !!(flags & HAVESIGN)) { - base = 16; /* if %i */ - flags &= ~PFXOK; - goto ok; - } + if (!parseint_fsm(c, &state, &base)) break; - } - - /* - * If we got here, c is not a legal character for a - * number. Stop accumulating digits. - */ - if (c != WEOF) - __ungetwc(c, fp, locale); - break; - ok: - /* - * c is legal: store it and look at the next. - */ *wcp++ = (wchar_t)c; } /* - * If we had only a sign, it is no good; push back the sign. - * If the number ends in `x', it was [sign] '0' 'x', so push - * back the x and treat it as [sign] '0'. + * If we only had a sign, push it back. If we only had a 0b or 0x + * prefix (possibly preceded by a sign), we view it as "0" and + * push back the letter. In all other cases, if we stopped + * because we read a non-number character, push it back. */ - if (flags & NDIGITS) { - if (wcp > buf) - __ungetwc(*--wcp, fp, locale); - return (0); - } - c = wcp[-1]; - if (c == 'x' || c == 'X') { - --wcp; + if (state == havesign) { + wcp--; + __ungetwc(*wcp, fp, locale); + } else if (state == haveprefix) { + wcp--; + __ungetwc(c, fp, locale); + } else if (width && c != WEOF) { __ungetwc(c, fp, locale); } return (wcp - buf); @@ -536,6 +561,13 @@ literal: /* * Conversions. */ + case 'B': + case 'b': + c = CT_INT; + flags |= UNSIGNED; + base = 2; + break; + case 'd': c = CT_INT; base = 10; @@ -560,7 +592,6 @@ literal: case 'X': case 'x': - flags |= PFXOK; /* enable 0x prefixing */ c = CT_INT; flags |= UNSIGNED; base = 16; @@ -606,7 +637,7 @@ literal: break; case 'p': /* pointer format is like hex */ - flags |= POINTER | PFXOK; + flags |= POINTER; c = CT_INT; /* assumes sizeof(uintmax_t) */ flags |= UNSIGNED; /* >= sizeof(uintptr_t) */ base = 16; @@ -716,7 +747,7 @@ literal: sizeof(*buf) - 1) width = sizeof(buf) / sizeof(*buf) - 1; - nr = parseint(fp, buf, width, base, flags, locale); + nr = parseint(fp, buf, width, base, locale); if (nr == 0) goto match_failure; if ((flags & SUPPRESS) == 0) { diff --git a/lib/libc/stdlib/strtoimax.c b/lib/libc/stdlib/strtoimax.c index 894d801940fd..5309b7d4305c 100644 --- a/lib/libc/stdlib/strtoimax.c +++ b/lib/libc/stdlib/strtoimax.c @@ -87,6 +87,13 @@ strtoimax_l(const char * __restrict nptr, char ** __restrict endptr, int base, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == '0' && (*s == 'b' || *s == 'B') && + (s[1] >= '0' && s[1] <= '1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == '0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/stdlib/strtol.3 b/lib/libc/stdlib/strtol.3 index 9656ba546915..e2c5ff7ae3cb 100644 --- a/lib/libc/stdlib/strtol.3 +++ b/lib/libc/stdlib/strtol.3 @@ -31,7 +31,7 @@ .\" .\" @(#)strtol.3 8.1 (Berkeley) 6/4/93 .\" -.Dd November 28, 2001 +.Dd August 21, 2023 .Dt STRTOL 3 .Os .Sh NAME @@ -108,6 +108,8 @@ If .Fa base is zero or 16, the string may then include a +.Dq Li 0b +prefix, and the number will be read in base 2; or it may include a .Dq Li 0x prefix, and the number will be read in base 16; otherwise, a zero diff --git a/lib/libc/stdlib/strtol.c b/lib/libc/stdlib/strtol.c index 360bb7efc8be..1ca95918ef12 100644 --- a/lib/libc/stdlib/strtol.c +++ b/lib/libc/stdlib/strtol.c @@ -87,6 +87,13 @@ strtol_l(const char * __restrict nptr, char ** __restrict endptr, int base, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == '0' && (*s == 'b' || *s == 'B') && + (s[1] >= '0' && s[1] <= '1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == '0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/stdlib/strtoll.c b/lib/libc/stdlib/strtoll.c index 51a523e51fb8..6845776c5f03 100644 --- a/lib/libc/stdlib/strtoll.c +++ b/lib/libc/stdlib/strtoll.c @@ -63,8 +63,9 @@ strtoll_l(const char * __restrict nptr, char ** __restrict endptr, int base, /* * Skip white space and pick up leading +/- sign if any. - * If base is 0, allow 0x for hex and 0 for octal, else - * assume decimal; if base is already 16, allow 0x. + * If base is 0, allow 0b for binary, 0x for hex, and 0 for + * octal, else assume decimal; if base is already 2, allow + * 0b; if base is already 16, allow 0x. */ s = nptr; do { @@ -87,6 +88,13 @@ strtoll_l(const char * __restrict nptr, char ** __restrict endptr, int base, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == '0' && (*s == 'b' || *s == 'B') && + (s[1] >= '0' && s[1] <= '1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == '0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/stdlib/strtoul.3 b/lib/libc/stdlib/strtoul.3 index e05d7a7728cd..41b3b2c578bc 100644 --- a/lib/libc/stdlib/strtoul.3 +++ b/lib/libc/stdlib/strtoul.3 @@ -31,7 +31,7 @@ .\" .\" @(#)strtoul.3 8.1 (Berkeley) 6/4/93 .\" -.Dd November 28, 2001 +.Dd August 21, 2023 .Dt STRTOUL 3 .Os .Sh NAME @@ -108,6 +108,8 @@ If .Fa base is zero or 16, the string may then include a +.Dq Li 0b +prefix, and the number will be read in base 2; or it may include a .Dq Li 0x prefix, and the number will be read in base 16; otherwise, a zero diff --git a/lib/libc/stdlib/strtoul.c b/lib/libc/stdlib/strtoul.c index 133d4c9b4695..c0dbd0c9fdac 100644 --- a/lib/libc/stdlib/strtoul.c +++ b/lib/libc/stdlib/strtoul.c @@ -84,6 +84,13 @@ strtoul_l(const char * __restrict nptr, char ** __restrict endptr, int base, loc s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == '0' && (*s == 'b' || *s == 'B') && + (s[1] >= '0' && s[1] <= '1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == '0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/stdlib/strtoull.c b/lib/libc/stdlib/strtoull.c index 464c37d49ef3..fe44a9e01c05 100644 --- a/lib/libc/stdlib/strtoull.c +++ b/lib/libc/stdlib/strtoull.c @@ -85,6 +85,13 @@ strtoull_l(const char * __restrict nptr, char ** __restrict endptr, int base, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == '0' && (*s == 'b' || *s == 'B') && + (s[1] >= '0' && s[1] <= '1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == '0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/stdlib/strtoumax.c b/lib/libc/stdlib/strtoumax.c index af02b30254d6..08140be38845 100644 --- a/lib/libc/stdlib/strtoumax.c +++ b/lib/libc/stdlib/strtoumax.c @@ -85,6 +85,13 @@ strtoumax_l(const char * __restrict nptr, char ** __restrict endptr, int base, s += 2; base = 16; } + if ((base == 0 || base == 2) && + c == '0' && (*s == 'b' || *s == 'B') && + (s[1] >= '0' && s[1] <= '1')) { + c = s[1]; + s += 2; + base = 2; + } if (base == 0) base = c == '0' ? 8 : 10; acc = any = 0; diff --git a/lib/libc/tests/stdio/Makefile b/lib/libc/tests/stdio/Makefile index 12ae44855da5..7716a60c0e6b 100644 --- a/lib/libc/tests/stdio/Makefile +++ b/lib/libc/tests/stdio/Makefile @@ -16,6 +16,10 @@ ATF_TESTS_C+= print_positional_test ATF_TESTS_C+= printbasic_test ATF_TESTS_C+= printfloat_test ATF_TESTS_C+= scanfloat_test +ATF_TESTS_C+= snprintf_test +ATF_TESTS_C+= sscanf_test +ATF_TESTS_C+= swprintf_test +ATF_TESTS_C+= swscanf_test SRCS.fopen2_test= fopen_test.c @@ -34,9 +38,15 @@ LIBADD.eintr_test+= md LIBADD.printfloat_test+= m LIBADD.scanfloat_test+= m +# Older toolchains won't understand C23 %b, %wN, %wfN +PROG_OVERRIDE_VARS+= NO_WFORMAT +NO_WFORMAT.snprintf_test= +NO_WFORMAT.sscanf_test= +NO_WFORMAT.swprintf_test= +NO_WFORMAT.swscanf_test= + .if ${COMPILER_TYPE} == "gcc" # 90: use of assignment suppression and length modifier together in scanf format -PROG_OVERRIDE_VARS+= NO_WFORMAT NO_WFORMAT.scanfloat_test= .endif diff --git a/lib/libc/tests/stdio/snprintf_test.c b/lib/libc/tests/stdio/snprintf_test.c new file mode 100644 index 000000000000..10d938435b96 --- /dev/null +++ b/lib/libc/tests/stdio/snprintf_test.c @@ -0,0 +1,139 @@ +/*- + * Copyright (c) 2023 Dag-Erling Smørgrav + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#include <assert.h> +#include <limits.h> +#include <locale.h> +#include <stdint.h> +#include <stdio.h> + +#include <atf-c.h> + +#ifndef nitems +#define nitems(a) (sizeof(a) / sizeof(a[0])) +#endif + +#define SNPRINTF_TEST(output, format, ...) \ + do { \ + char buf[256]; \ + assert(strlen(output) < nitems(buf)); \ + int ret = snprintf(buf, nitems(buf), format, \ + __VA_ARGS__); \ + ATF_CHECK_EQ(strlen(output), ret); \ + if (ret > 0) { \ + ATF_CHECK_EQ(0, strcmp(output, buf)); \ + } \ + } while (0) + +ATF_TC_WITHOUT_HEAD(snprintf_b); +ATF_TC_BODY(snprintf_b, tc) +{ + SNPRINTF_TEST("0", "%b", 0); + SNPRINTF_TEST(" 0", "%12b", 0); + SNPRINTF_TEST("000000000000", "%012b", 0); + SNPRINTF_TEST("1", "%b", 1); + SNPRINTF_TEST(" 1", "%12b", 1); + SNPRINTF_TEST("000000000001", "%012b", 1); + SNPRINTF_TEST("1111111111111111111111111111111", "%b", INT_MAX); + SNPRINTF_TEST("0", "%#b", 0); + SNPRINTF_TEST(" 0", "%#12b", 0); + SNPRINTF_TEST("000000000000", "%#012b", 0); + SNPRINTF_TEST("0b1", "%#b", 1); + SNPRINTF_TEST(" 0b1", "%#12b", 1); + SNPRINTF_TEST("0b0000000001", "%#012b", 1); + SNPRINTF_TEST("0b1111111111111111111111111111111", "%#b", INT_MAX); +} + +ATF_TC_WITHOUT_HEAD(snprintf_B); +ATF_TC_BODY(snprintf_B, tc) +{ + SNPRINTF_TEST("0", "%B", 0); + SNPRINTF_TEST(" 0", "%12B", 0); + SNPRINTF_TEST("000000000000", "%012B", 0); + SNPRINTF_TEST("1", "%B", 1); + SNPRINTF_TEST(" 1", "%12B", 1); + SNPRINTF_TEST("000000000001", "%012B", 1); + SNPRINTF_TEST("1111111111111111111111111111111", "%B", INT_MAX); + SNPRINTF_TEST("0", "%#B", 0); + SNPRINTF_TEST(" 0", "%#12B", 0); + SNPRINTF_TEST("000000000000", "%#012B", 0); + SNPRINTF_TEST("0B1", "%#B", 1); + SNPRINTF_TEST(" 0B1", "%#12B", 1); + SNPRINTF_TEST("0B0000000001", "%#012B", 1); + SNPRINTF_TEST("0B1111111111111111111111111111111", "%#B", INT_MAX); +} + +ATF_TC_WITHOUT_HEAD(snprintf_d); +ATF_TC_BODY(snprintf_d, tc) +{ + SNPRINTF_TEST("0", "%d", 0); + SNPRINTF_TEST(" 0", "%12d", 0); + SNPRINTF_TEST("000000000000", "%012d", 0); + SNPRINTF_TEST("1", "%d", 1); + SNPRINTF_TEST(" 1", "%12d", 1); + SNPRINTF_TEST("000000000001", "%012d", 1); + SNPRINTF_TEST("2147483647", "%d", INT_MAX); + SNPRINTF_TEST(" 2147483647", "%12d", INT_MAX); + SNPRINTF_TEST("002147483647", "%012d", INT_MAX); + SNPRINTF_TEST("2,147,483,647", "%'d", INT_MAX); +} + +ATF_TC_WITHOUT_HEAD(snprintf_x); +ATF_TC_BODY(snprintf_x, tc) +{ + SNPRINTF_TEST("0", "%x", 0); + SNPRINTF_TEST(" 0", "%12x", 0); + SNPRINTF_TEST("000000000000", "%012x", 0); + SNPRINTF_TEST("1", "%x", 1); + SNPRINTF_TEST(" 1", "%12x", 1); + SNPRINTF_TEST("000000000001", "%012x", 1); + SNPRINTF_TEST("7fffffff", "%x", INT_MAX); + SNPRINTF_TEST(" 7fffffff", "%12x", INT_MAX); + SNPRINTF_TEST("00007fffffff", "%012x", INT_MAX); + SNPRINTF_TEST("0", "%#x", 0); + SNPRINTF_TEST(" 0", "%#12x", 0); + SNPRINTF_TEST("000000000000", "%#012x", 0); + SNPRINTF_TEST("0x1", "%#x", 1); + SNPRINTF_TEST(" 0x1", "%#12x", 1); + SNPRINTF_TEST("0x0000000001", "%#012x", 1); + SNPRINTF_TEST("0x7fffffff", "%#x", INT_MAX); + SNPRINTF_TEST(" 0x7fffffff", "%#12x", INT_MAX); + SNPRINTF_TEST("0x007fffffff", "%#012x", INT_MAX); +} + +ATF_TC_WITHOUT_HEAD(snprintf_X); +ATF_TC_BODY(snprintf_X, tc) +{ + SNPRINTF_TEST("0", "%X", 0); + SNPRINTF_TEST(" 0", "%12X", 0); + SNPRINTF_TEST("000000000000", "%012X", 0); + SNPRINTF_TEST("1", "%X", 1); + SNPRINTF_TEST(" 1", "%12X", 1); + SNPRINTF_TEST("000000000001", "%012X", 1); + SNPRINTF_TEST("7FFFFFFF", "%X", INT_MAX); + SNPRINTF_TEST(" 7FFFFFFF", "%12X", INT_MAX); + SNPRINTF_TEST("00007FFFFFFF", "%012X", INT_MAX); + SNPRINTF_TEST("0", "%#X", 0); + SNPRINTF_TEST(" 0", "%#12X", 0); + SNPRINTF_TEST("000000000000", "%#012X", 0); + SNPRINTF_TEST("0X1", "%#X", 1); + SNPRINTF_TEST(" 0X1", "%#12X", 1); + SNPRINTF_TEST("0X0000000001", "%#012X", 1); + SNPRINTF_TEST("0X7FFFFFFF", "%#X", INT_MAX); + SNPRINTF_TEST(" 0X7FFFFFFF", "%#12X", INT_MAX); + SNPRINTF_TEST("0X007FFFFFFF", "%#012X", INT_MAX); +} + +ATF_TP_ADD_TCS(tp) +{ + setlocale(LC_NUMERIC, "en_US.UTF-8"); + ATF_TP_ADD_TC(tp, snprintf_b); + ATF_TP_ADD_TC(tp, snprintf_B); + ATF_TP_ADD_TC(tp, snprintf_d); + ATF_TP_ADD_TC(tp, snprintf_x); + ATF_TP_ADD_TC(tp, snprintf_X); + return (atf_no_error()); +} diff --git a/lib/libc/tests/stdio/sscanf_test.c b/lib/libc/tests/stdio/sscanf_test.c new file mode 100644 index 000000000000..462b4a6586da --- /dev/null +++ b/lib/libc/tests/stdio/sscanf_test.c @@ -0,0 +1,266 @@ +/*- + * Copyright (c) 2023 Dag-Erling Smørgrav + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#include <locale.h> +#include <stdint.h> +#include <stdio.h> + +#include <atf-c.h> + +static const struct sscanf_test_case { + char input[8]; + struct { + int ret, val, len; + } b, o, d, x, i; +} sscanf_test_cases[] = { +// input binary octal decimal hexadecimal automatic + // all digits + { "0", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + { "1", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, }, + { "2", { 0, 0, 0 }, { 1, 2, 1 }, { 1, 2, 1 }, { 1, 2, 1 }, { 1, 2, 1 }, }, + { "3", { 0, 0, 0 }, { 1, 3, 1 }, { 1, 3, 1 }, { 1, 3, 1 }, { 1, 3, 1 }, }, + { "4", { 0, 0, 0 }, { 1, 4, 1 }, { 1, 4, 1 }, { 1, 4, 1 }, { 1, 4, 1 }, }, + { "5", { 0, 0, 0 }, { 1, 5, 1 }, { 1, 5, 1 }, { 1, 5, 1 }, { 1, 5, 1 }, }, + { "6", { 0, 0, 0 }, { 1, 6, 1 }, { 1, 6, 1 }, { 1, 6, 1 }, { 1, 6, 1 }, }, + { "7", { 0, 0, 0 }, { 1, 7, 1 }, { 1, 7, 1 }, { 1, 7, 1 }, { 1, 7, 1 }, }, + { "8", { 0, 0, 0 }, { 0, 0, 0 }, { 1, 8, 1 }, { 1, 8, 1 }, { 1, 8, 1 }, }, + { "9", { 0, 0, 0 }, { 0, 0, 0 }, { 1, 9, 1 }, { 1, 9, 1 }, { 1, 9, 1 }, }, + { "A", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 10, 1 }, { 0, 0, 0 }, }, + { "B", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 11, 1 }, { 0, 0, 0 }, }, + { "C", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 12, 1 }, { 0, 0, 0 }, }, + { "D", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 13, 1 }, { 0, 0, 0 }, }, + { "E", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 14, 1 }, { 0, 0, 0 }, }, + { "F", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 15, 1 }, { 0, 0, 0 }, }, + { "X", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, }, + { "a", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 10, 1 }, { 0, 0, 0 }, }, + { "b", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 11, 1 }, { 0, 0, 0 }, }, + { "c", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 12, 1 }, { 0, 0, 0 }, }, + { "d", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 13, 1 }, { 0, 0, 0 }, }, + { "e", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 14, 1 }, { 0, 0, 0 }, }, + { "f", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 15, 1 }, { 0, 0, 0 }, }, + { "x", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, }, + // all digits with leading zero + { "00", { 1, 0, 2 }, { 1, 0, 2 }, { 1, 0, 2 }, { 1, 0, 2 }, { 1, 0, 2 }, }, + { "01", { 1, 1, 2 }, { 1, 1, 2 }, { 1, 1, 2 }, { 1, 1, 2 }, { 1, 1, 2 }, }, + { "02", { 1, 0, 1 }, { 1, 2, 2 }, { 1, 2, 2 }, { 1, 2, 2 }, { 1, 2, 2 }, }, + { "03", { 1, 0, 1 }, { 1, 3, 2 }, { 1, 3, 2 }, { 1, 3, 2 }, { 1, 3, 2 }, }, + { "04", { 1, 0, 1 }, { 1, 4, 2 }, { 1, 4, 2 }, { 1, 4, 2 }, { 1, 4, 2 }, }, + { "05", { 1, 0, 1 }, { 1, 5, 2 }, { 1, 5, 2 }, { 1, 5, 2 }, { 1, 5, 2 }, }, + { "06", { 1, 0, 1 }, { 1, 6, 2 }, { 1, 6, 2 }, { 1, 6, 2 }, { 1, 6, 2 }, }, + { "07", { 1, 0, 1 }, { 1, 7, 2 }, { 1, 7, 2 }, { 1, 7, 2 }, { 1, 7, 2 }, }, + { "08", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 8, 2 }, { 1, 8, 2 }, { 1, 0, 1 }, }, + { "09", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 9, 2 }, { 1, 9, 2 }, { 1, 0, 1 }, }, + { "0A", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 10, 2 }, { 1, 0, 1 }, }, + { "0B", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 2 }, { 1, 0, 1 }, }, + { "0C", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 12, 2 }, { 1, 0, 1 }, }, + { "0D", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 13, 2 }, { 1, 0, 1 }, }, + { "0E", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 14, 2 }, { 1, 0, 1 }, }, + { "0F", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 15, 2 }, { 1, 0, 1 }, }, + { "0X", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + { "0a", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 10, 2 }, { 1, 0, 1 }, }, + { "0b", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 2 }, { 1, 0, 1 }, }, + { "0c", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 12, 2 }, { 1, 0, 1 }, }, + { "0d", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 13, 2 }, { 1, 0, 1 }, }, + { "0e", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 14, 2 }, { 1, 0, 1 }, }, + { "0f", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 15, 2 }, { 1, 0, 1 }, }, + { "0x", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + // all digits with leading one + { "10", { 1, 2, 2 }, { 1, 8, 2 }, { 1, 10, 2 }, { 1, 16, 2 }, { 1, 10, 2 }, }, + { "11", { 1, 3, 2 }, { 1, 9, 2 }, { 1, 11, 2 }, { 1, 17, 2 }, { 1, 11, 2 }, }, + { "12", { 1, 1, 1 }, { 1, 10, 2 }, { 1, 12, 2 }, { 1, 18, 2 }, { 1, 12, 2 }, }, + { "13", { 1, 1, 1 }, { 1, 11, 2 }, { 1, 13, 2 }, { 1, 19, 2 }, { 1, 13, 2 }, }, + { "14", { 1, 1, 1 }, { 1, 12, 2 }, { 1, 14, 2 }, { 1, 20, 2 }, { 1, 14, 2 }, }, + { "15", { 1, 1, 1 }, { 1, 13, 2 }, { 1, 15, 2 }, { 1, 21, 2 }, { 1, 15, 2 }, }, + { "16", { 1, 1, 1 }, { 1, 14, 2 }, { 1, 16, 2 }, { 1, 22, 2 }, { 1, 16, 2 }, }, + { "17", { 1, 1, 1 }, { 1, 15, 2 }, { 1, 17, 2 }, { 1, 23, 2 }, { 1, 17, 2 }, }, + { "18", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 18, 2 }, { 1, 24, 2 }, { 1, 18, 2 }, }, + { "19", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 19, 2 }, { 1, 25, 2 }, { 1, 19, 2 }, }, + { "1A", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 26, 2 }, { 1, 1, 1 }, }, + { "1B", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 27, 2 }, { 1, 1, 1 }, }, + { "1C", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 28, 2 }, { 1, 1, 1 }, }, + { "1D", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 29, 2 }, { 1, 1, 1 }, }, + { "1E", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 30, 2 }, { 1, 1, 1 }, }, + { "1F", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 31, 2 }, { 1, 1, 1 }, }, + { "1X", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, }, + { "1a", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 26, 2 }, { 1, 1, 1 }, }, + { "1b", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 27, 2 }, { 1, 1, 1 }, }, + { "1c", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 28, 2 }, { 1, 1, 1 }, }, + { "1d", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 29, 2 }, { 1, 1, 1 }, }, + { "1e", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 30, 2 }, { 1, 1, 1 }, }, + { "1f", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 31, 2 }, { 1, 1, 1 }, }, + { "1x", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, }, + // all digits with leading binary prefix + { "0b0", { 1, 0, 3 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 176, 3 }, { 1, 0, 3 }, }, + { "0b1", { 1, 1, 3 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 177, 3 }, { 1, 1, 3 }, }, + { "0b2", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 178, 3 }, { 1, 0, 1 }, }, + { "0b3", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 179, 3 }, { 1, 0, 1 }, }, + { "0b4", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 180, 3 }, { 1, 0, 1 }, }, + { "0b5", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 181, 3 }, { 1, 0, 1 }, }, + { "0b6", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 182, 3 }, { 1, 0, 1 }, }, + { "0b7", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 183, 3 }, { 1, 0, 1 }, }, + { "0b8", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 184, 3 }, { 1, 0, 1 }, }, + { "0b9", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 185, 3 }, { 1, 0, 1 }, }, + { "0bA", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 186, 3 }, { 1, 0, 1 }, }, + { "0bB", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 187, 3 }, { 1, 0, 1 }, }, + { "0bC", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 188, 3 }, { 1, 0, 1 }, }, + { "0bD", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 189, 3 }, { 1, 0, 1 }, }, + { "0bE", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 190, 3 }, { 1, 0, 1 }, }, + { "0bF", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 191, 3 }, { 1, 0, 1 }, }, + { "0bX", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 2 }, { 1, 0, 1 }, }, + { "0ba", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 186, 3 }, { 1, 0, 1 }, }, + { "0bb", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 187, 3 }, { 1, 0, 1 }, }, + { "0bc", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 188, 3 }, { 1, 0, 1 }, }, + { "0bd", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 189, 3 }, { 1, 0, 1 }, }, + { "0be", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 190, 3 }, { 1, 0, 1 }, }, + { "0bf", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 191, 3 }, { 1, 0, 1 }, }, + { "0bx", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 2 }, { 1, 0, 1 }, }, + // all digits with leading hexadecimal prefix + { "0x0", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 3 }, { 1, 0, 3 }, }, + { "0x1", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 1, 3 }, { 1, 1, 3 }, }, + { "0x2", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 2, 3 }, { 1, 2, 3 }, }, + { "0x3", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 3, 3 }, { 1, 3, 3 }, }, + { "0x4", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 4, 3 }, { 1, 4, 3 }, }, + { "0x5", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 5, 3 }, { 1, 5, 3 }, }, + { "0x6", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 6, 3 }, { 1, 6, 3 }, }, + { "0x7", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 7, 3 }, { 1, 7, 3 }, }, + { "0x8", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 8, 3 }, { 1, 8, 3 }, }, + { "0x9", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 9, 3 }, { 1, 9, 3 }, }, + { "0xA", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 10, 3 }, { 1, 10, 3 }, }, + { "0xB", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 3 }, { 1, 11, 3 }, }, + { "0xC", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 12, 3 }, { 1, 12, 3 }, }, + { "0xD", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 13, 3 }, { 1, 13, 3 }, }, + { "0xE", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 14, 3 }, { 1, 14, 3 }, }, + { "0xF", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 15, 3 }, { 1, 15, 3 }, }, + { "0xX", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + { "0xa", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 10, 3 }, { 1, 10, 3 }, }, + { "0xb", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 3 }, { 1, 11, 3 }, }, + { "0xc", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 12, 3 }, { 1, 12, 3 }, }, + { "0xd", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 13, 3 }, { 1, 13, 3 }, }, + { "0xe", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 14, 3 }, { 1, 14, 3 }, }, + { "0xf", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 15, 3 }, { 1, 15, 3 }, }, + { "0xX", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + // terminator + { "" } +}; + +#define SSCANF_TEST(string, format, expret, expval, explen) \ + do { \ + int ret = 0, val = 0, len = 0; \ + ret = sscanf(string, format "%n", &val, &len); \ + ATF_CHECK_EQ(expret, ret); \ + if (expret && ret) { \ + ATF_CHECK_EQ(expval, val); \ + ATF_CHECK_EQ(explen, len); \ + } \ + } while (0) + +ATF_TC_WITHOUT_HEAD(sscanf_b); +ATF_TC_BODY(sscanf_b, tc) +{ + const struct sscanf_test_case *stc; + char input[16]; + + for (stc = sscanf_test_cases; *stc->input; stc++) { + strcpy(input + 1, stc->input); + SSCANF_TEST(input + 1, "%b", stc->b.ret, stc->b.val, stc->b.len); + input[0] = '+'; + SSCANF_TEST(input, "%b", stc->b.ret, stc->b.val, stc->b.len ? stc->b.len + 1 : 0); + input[0] = '-'; + SSCANF_TEST(input, "%b", stc->b.ret, -stc->b.val, stc->b.len ? stc->b.len + 1 : 0); + } +} + +ATF_TC_WITHOUT_HEAD(sscanf_o); +ATF_TC_BODY(sscanf_o, tc) +{ + const struct sscanf_test_case *stc; + char input[16]; + + for (stc = sscanf_test_cases; *stc->input; stc++) { + strcpy(input + 1, stc->input); + SSCANF_TEST(input + 1, "%o", stc->o.ret, stc->o.val, stc->o.len); + input[0] = '+'; + SSCANF_TEST(input, "%o", stc->o.ret, stc->o.val, stc->o.len ? stc->o.len + 1 : 0); + input[0] = '-'; + SSCANF_TEST(input, "%o", stc->o.ret, -stc->o.val, stc->o.len ? stc->o.len + 1 : 0); + } +} + +ATF_TC_WITHOUT_HEAD(sscanf_d); +ATF_TC_BODY(sscanf_d, tc) +{ + const struct sscanf_test_case *stc; + char input[16]; + + for (stc = sscanf_test_cases; *stc->input; stc++) { + strcpy(input + 1, stc->input); + SSCANF_TEST(input + 1, "%d", stc->d.ret, stc->d.val, stc->d.len); + input[0] = '+'; + SSCANF_TEST(input, "%d", stc->d.ret, stc->d.val, stc->d.len ? stc->d.len + 1 : 0); + input[0] = '-'; + SSCANF_TEST(input, "%d", stc->d.ret, -stc->d.val, stc->d.len ? stc->d.len + 1 : 0); + } +} + +ATF_TC_WITHOUT_HEAD(sscanf_x); +ATF_TC_BODY(sscanf_x, tc) +{ + const struct sscanf_test_case *stc; + char input[16]; + + for (stc = sscanf_test_cases; *stc->input; stc++) { + strcpy(input + 1, stc->input); + SSCANF_TEST(input + 1, "%x", stc->x.ret, stc->x.val, stc->x.len); + input[0] = '+'; + SSCANF_TEST(input, "%x", stc->x.ret, stc->x.val, stc->x.len ? stc->x.len + 1 : 0); + input[0] = '-'; + SSCANF_TEST(input, "%x", stc->x.ret, -stc->x.val, stc->x.len ? stc->x.len + 1 : 0); + } +} + +ATF_TC_WITHOUT_HEAD(sscanf_i); +ATF_TC_BODY(sscanf_i, tc) +{ + const struct sscanf_test_case *stc; + char input[16]; + + for (stc = sscanf_test_cases; *stc->input; stc++) { + strcpy(input + 1, stc->input); + SSCANF_TEST(input + 1, "%i", stc->i.ret, stc->i.val, stc->i.len); + input[0] = '+'; + SSCANF_TEST(input, "%i", stc->i.ret, stc->i.val, stc->i.len ? stc->i.len + 1 : 0); + input[0] = '-'; + SSCANF_TEST(input, "%i", stc->i.ret, -stc->i.val, stc->i.len ? stc->i.len + 1 : 0); + } +} + +/* + * Test termination cases: non-numeric character, fixed width, EOF + */ +ATF_TC_WITHOUT_HEAD(sscanf_termination); +ATF_TC_BODY(sscanf_termination, tc) +{ + int a = 0, b = 0, c = 0; + char d = 0; + + ATF_CHECK_EQ(4, sscanf("3.1415", "%d%c%2d%d", &a, &d, &b, &c)); + ATF_CHECK_EQ(3, a); + ATF_CHECK_EQ(14, b); + ATF_CHECK_EQ(15, c); + ATF_CHECK_EQ('.', d); +} + +ATF_TP_ADD_TCS(tp) +{ + setlocale(LC_NUMERIC, "en_US.UTF-8"); + ATF_TP_ADD_TC(tp, sscanf_b); + ATF_TP_ADD_TC(tp, sscanf_o); + ATF_TP_ADD_TC(tp, sscanf_d); + ATF_TP_ADD_TC(tp, sscanf_x); + ATF_TP_ADD_TC(tp, sscanf_i); + ATF_TP_ADD_TC(tp, sscanf_termination); + return (atf_no_error()); +} diff --git a/lib/libc/tests/stdio/swprintf_test.c b/lib/libc/tests/stdio/swprintf_test.c new file mode 100644 index 000000000000..23859b5cd2e1 --- /dev/null +++ b/lib/libc/tests/stdio/swprintf_test.c @@ -0,0 +1,140 @@ +/*- + * Copyright (c) 2023 Dag-Erling Smørgrav + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#include <assert.h> +#include <limits.h> +#include <locale.h> +#include <stdint.h> +#include <stdio.h> +#include <wchar.h> + +#include <atf-c.h> + +#ifndef nitems +#define nitems(a) (sizeof(a) / sizeof(a[0])) +#endif + +#define SWPRINTF_TEST(output, format, ...) \ + do { \ + wchar_t buf[256]; \ + assert(wcslen(L##output) < nitems(buf)); \ + int ret = swprintf(buf, nitems(buf), L##format, \ + __VA_ARGS__); \ + ATF_CHECK_EQ(wcslen(L##output), ret); \ + if (ret > 0) { \ + ATF_CHECK_EQ(0, wcscmp(L##output, buf)); \ + } \ + } while (0) + +ATF_TC_WITHOUT_HEAD(swprintf_b); +ATF_TC_BODY(swprintf_b, tc) +{ + SWPRINTF_TEST("0", "%b", 0); + SWPRINTF_TEST(" 0", "%12b", 0); + SWPRINTF_TEST("000000000000", "%012b", 0); + SWPRINTF_TEST("1", "%b", 1); + SWPRINTF_TEST(" 1", "%12b", 1); + SWPRINTF_TEST("000000000001", "%012b", 1); + SWPRINTF_TEST("1111111111111111111111111111111", "%b", INT_MAX); + SWPRINTF_TEST("0", "%#b", 0); + SWPRINTF_TEST(" 0", "%#12b", 0); + SWPRINTF_TEST("000000000000", "%#012b", 0); + SWPRINTF_TEST("0b1", "%#b", 1); + SWPRINTF_TEST(" 0b1", "%#12b", 1); + SWPRINTF_TEST("0b0000000001", "%#012b", 1); + SWPRINTF_TEST("0b1111111111111111111111111111111", "%#b", INT_MAX); +} + +ATF_TC_WITHOUT_HEAD(swprintf_B); +ATF_TC_BODY(swprintf_B, tc) +{ + SWPRINTF_TEST("0", "%B", 0); + SWPRINTF_TEST(" 0", "%12B", 0); + SWPRINTF_TEST("000000000000", "%012B", 0); + SWPRINTF_TEST("1", "%B", 1); + SWPRINTF_TEST(" 1", "%12B", 1); + SWPRINTF_TEST("000000000001", "%012B", 1); + SWPRINTF_TEST("1111111111111111111111111111111", "%B", INT_MAX); + SWPRINTF_TEST("0", "%#B", 0); + SWPRINTF_TEST(" 0", "%#12B", 0); + SWPRINTF_TEST("000000000000", "%#012B", 0); + SWPRINTF_TEST("0B1", "%#B", 1); + SWPRINTF_TEST(" 0B1", "%#12B", 1); + SWPRINTF_TEST("0B0000000001", "%#012B", 1); + SWPRINTF_TEST("0B1111111111111111111111111111111", "%#B", INT_MAX); +} + +ATF_TC_WITHOUT_HEAD(swprintf_d); +ATF_TC_BODY(swprintf_d, tc) +{ + SWPRINTF_TEST("0", "%d", 0); + SWPRINTF_TEST(" 0", "%12d", 0); + SWPRINTF_TEST("000000000000", "%012d", 0); + SWPRINTF_TEST("1", "%d", 1); + SWPRINTF_TEST(" 1", "%12d", 1); + SWPRINTF_TEST("000000000001", "%012d", 1); + SWPRINTF_TEST("2147483647", "%d", INT_MAX); + SWPRINTF_TEST(" 2147483647", "%12d", INT_MAX); + SWPRINTF_TEST("002147483647", "%012d", INT_MAX); + SWPRINTF_TEST("2,147,483,647", "%'d", INT_MAX); +} + +ATF_TC_WITHOUT_HEAD(swprintf_x); +ATF_TC_BODY(swprintf_x, tc) +{ + SWPRINTF_TEST("0", "%x", 0); + SWPRINTF_TEST(" 0", "%12x", 0); + SWPRINTF_TEST("000000000000", "%012x", 0); + SWPRINTF_TEST("1", "%x", 1); + SWPRINTF_TEST(" 1", "%12x", 1); + SWPRINTF_TEST("000000000001", "%012x", 1); + SWPRINTF_TEST("7fffffff", "%x", INT_MAX); + SWPRINTF_TEST(" 7fffffff", "%12x", INT_MAX); + SWPRINTF_TEST("00007fffffff", "%012x", INT_MAX); + SWPRINTF_TEST("0", "%#x", 0); + SWPRINTF_TEST(" 0", "%#12x", 0); + SWPRINTF_TEST("000000000000", "%#012x", 0); + SWPRINTF_TEST("0x1", "%#x", 1); + SWPRINTF_TEST(" 0x1", "%#12x", 1); + SWPRINTF_TEST("0x0000000001", "%#012x", 1); + SWPRINTF_TEST("0x7fffffff", "%#x", INT_MAX); + SWPRINTF_TEST(" 0x7fffffff", "%#12x", INT_MAX); + SWPRINTF_TEST("0x007fffffff", "%#012x", INT_MAX); +} + +ATF_TC_WITHOUT_HEAD(swprintf_X); +ATF_TC_BODY(swprintf_X, tc) +{ + SWPRINTF_TEST("0", "%X", 0); + SWPRINTF_TEST(" 0", "%12X", 0); + SWPRINTF_TEST("000000000000", "%012X", 0); + SWPRINTF_TEST("1", "%X", 1); + SWPRINTF_TEST(" 1", "%12X", 1); + SWPRINTF_TEST("000000000001", "%012X", 1); + SWPRINTF_TEST("7FFFFFFF", "%X", INT_MAX); + SWPRINTF_TEST(" 7FFFFFFF", "%12X", INT_MAX); + SWPRINTF_TEST("00007FFFFFFF", "%012X", INT_MAX); + SWPRINTF_TEST("0", "%#X", 0); + SWPRINTF_TEST(" 0", "%#12X", 0); + SWPRINTF_TEST("000000000000", "%#012X", 0); + SWPRINTF_TEST("0X1", "%#X", 1); + SWPRINTF_TEST(" 0X1", "%#12X", 1); + SWPRINTF_TEST("0X0000000001", "%#012X", 1); + SWPRINTF_TEST("0X7FFFFFFF", "%#X", INT_MAX); + SWPRINTF_TEST(" 0X7FFFFFFF", "%#12X", INT_MAX); + SWPRINTF_TEST("0X007FFFFFFF", "%#012X", INT_MAX); +} + +ATF_TP_ADD_TCS(tp) +{ + setlocale(LC_NUMERIC, "en_US.UTF-8"); + ATF_TP_ADD_TC(tp, swprintf_b); + ATF_TP_ADD_TC(tp, swprintf_B); + ATF_TP_ADD_TC(tp, swprintf_d); + ATF_TP_ADD_TC(tp, swprintf_x); + ATF_TP_ADD_TC(tp, swprintf_X); + return (atf_no_error()); +} diff --git a/lib/libc/tests/stdio/swscanf_test.c b/lib/libc/tests/stdio/swscanf_test.c new file mode 100644 index 000000000000..10eaf786e5fa --- /dev/null +++ b/lib/libc/tests/stdio/swscanf_test.c @@ -0,0 +1,267 @@ +/*- + * Copyright (c) 2023 Dag-Erling Smørgrav + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#include <locale.h> +#include <stdint.h> +#include <stdio.h> +#include <wchar.h> + +#include <atf-c.h> + +static const struct swscanf_test_case { + wchar_t input[8]; + struct { + int ret, val, len; + } b, o, d, x, i; +} swscanf_test_cases[] = { +// input binary octal decimal hexadecimal automatic + // all digits + { L"0", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + { L"1", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, }, + { L"2", { 0, 0, 0 }, { 1, 2, 1 }, { 1, 2, 1 }, { 1, 2, 1 }, { 1, 2, 1 }, }, + { L"3", { 0, 0, 0 }, { 1, 3, 1 }, { 1, 3, 1 }, { 1, 3, 1 }, { 1, 3, 1 }, }, + { L"4", { 0, 0, 0 }, { 1, 4, 1 }, { 1, 4, 1 }, { 1, 4, 1 }, { 1, 4, 1 }, }, + { L"5", { 0, 0, 0 }, { 1, 5, 1 }, { 1, 5, 1 }, { 1, 5, 1 }, { 1, 5, 1 }, }, + { L"6", { 0, 0, 0 }, { 1, 6, 1 }, { 1, 6, 1 }, { 1, 6, 1 }, { 1, 6, 1 }, }, + { L"7", { 0, 0, 0 }, { 1, 7, 1 }, { 1, 7, 1 }, { 1, 7, 1 }, { 1, 7, 1 }, }, + { L"8", { 0, 0, 0 }, { 0, 0, 0 }, { 1, 8, 1 }, { 1, 8, 1 }, { 1, 8, 1 }, }, + { L"9", { 0, 0, 0 }, { 0, 0, 0 }, { 1, 9, 1 }, { 1, 9, 1 }, { 1, 9, 1 }, }, + { L"A", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 10, 1 }, { 0, 0, 0 }, }, + { L"B", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 11, 1 }, { 0, 0, 0 }, }, + { L"C", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 12, 1 }, { 0, 0, 0 }, }, + { L"D", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 13, 1 }, { 0, 0, 0 }, }, + { L"E", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 14, 1 }, { 0, 0, 0 }, }, + { L"F", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 15, 1 }, { 0, 0, 0 }, }, + { L"X", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, }, + { L"a", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 10, 1 }, { 0, 0, 0 }, }, + { L"b", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 11, 1 }, { 0, 0, 0 }, }, + { L"c", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 12, 1 }, { 0, 0, 0 }, }, + { L"d", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 13, 1 }, { 0, 0, 0 }, }, + { L"e", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 14, 1 }, { 0, 0, 0 }, }, + { L"f", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 1, 15, 1 }, { 0, 0, 0 }, }, + { L"x", { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, }, + // all digits with leading zero + { L"00", { 1, 0, 2 }, { 1, 0, 2 }, { 1, 0, 2 }, { 1, 0, 2 }, { 1, 0, 2 }, }, + { L"01", { 1, 1, 2 }, { 1, 1, 2 }, { 1, 1, 2 }, { 1, 1, 2 }, { 1, 1, 2 }, }, + { L"02", { 1, 0, 1 }, { 1, 2, 2 }, { 1, 2, 2 }, { 1, 2, 2 }, { 1, 2, 2 }, }, + { L"03", { 1, 0, 1 }, { 1, 3, 2 }, { 1, 3, 2 }, { 1, 3, 2 }, { 1, 3, 2 }, }, + { L"04", { 1, 0, 1 }, { 1, 4, 2 }, { 1, 4, 2 }, { 1, 4, 2 }, { 1, 4, 2 }, }, + { L"05", { 1, 0, 1 }, { 1, 5, 2 }, { 1, 5, 2 }, { 1, 5, 2 }, { 1, 5, 2 }, }, + { L"06", { 1, 0, 1 }, { 1, 6, 2 }, { 1, 6, 2 }, { 1, 6, 2 }, { 1, 6, 2 }, }, + { L"07", { 1, 0, 1 }, { 1, 7, 2 }, { 1, 7, 2 }, { 1, 7, 2 }, { 1, 7, 2 }, }, + { L"08", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 8, 2 }, { 1, 8, 2 }, { 1, 0, 1 }, }, + { L"09", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 9, 2 }, { 1, 9, 2 }, { 1, 0, 1 }, }, + { L"0A", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 10, 2 }, { 1, 0, 1 }, }, + { L"0B", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 2 }, { 1, 0, 1 }, }, + { L"0C", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 12, 2 }, { 1, 0, 1 }, }, + { L"0D", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 13, 2 }, { 1, 0, 1 }, }, + { L"0E", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 14, 2 }, { 1, 0, 1 }, }, + { L"0F", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 15, 2 }, { 1, 0, 1 }, }, + { L"0X", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + { L"0a", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 10, 2 }, { 1, 0, 1 }, }, + { L"0b", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 2 }, { 1, 0, 1 }, }, + { L"0c", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 12, 2 }, { 1, 0, 1 }, }, + { L"0d", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 13, 2 }, { 1, 0, 1 }, }, + { L"0e", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 14, 2 }, { 1, 0, 1 }, }, + { L"0f", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 15, 2 }, { 1, 0, 1 }, }, + { L"0x", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + // all digits with leading one + { L"10", { 1, 2, 2 }, { 1, 8, 2 }, { 1, 10, 2 }, { 1, 16, 2 }, { 1, 10, 2 }, }, + { L"11", { 1, 3, 2 }, { 1, 9, 2 }, { 1, 11, 2 }, { 1, 17, 2 }, { 1, 11, 2 }, }, + { L"12", { 1, 1, 1 }, { 1, 10, 2 }, { 1, 12, 2 }, { 1, 18, 2 }, { 1, 12, 2 }, }, + { L"13", { 1, 1, 1 }, { 1, 11, 2 }, { 1, 13, 2 }, { 1, 19, 2 }, { 1, 13, 2 }, }, + { L"14", { 1, 1, 1 }, { 1, 12, 2 }, { 1, 14, 2 }, { 1, 20, 2 }, { 1, 14, 2 }, }, + { L"15", { 1, 1, 1 }, { 1, 13, 2 }, { 1, 15, 2 }, { 1, 21, 2 }, { 1, 15, 2 }, }, + { L"16", { 1, 1, 1 }, { 1, 14, 2 }, { 1, 16, 2 }, { 1, 22, 2 }, { 1, 16, 2 }, }, + { L"17", { 1, 1, 1 }, { 1, 15, 2 }, { 1, 17, 2 }, { 1, 23, 2 }, { 1, 17, 2 }, }, + { L"18", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 18, 2 }, { 1, 24, 2 }, { 1, 18, 2 }, }, + { L"19", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 19, 2 }, { 1, 25, 2 }, { 1, 19, 2 }, }, + { L"1A", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 26, 2 }, { 1, 1, 1 }, }, + { L"1B", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 27, 2 }, { 1, 1, 1 }, }, + { L"1C", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 28, 2 }, { 1, 1, 1 }, }, + { L"1D", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 29, 2 }, { 1, 1, 1 }, }, + { L"1E", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 30, 2 }, { 1, 1, 1 }, }, + { L"1F", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 31, 2 }, { 1, 1, 1 }, }, + { L"1X", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, }, + { L"1a", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 26, 2 }, { 1, 1, 1 }, }, + { L"1b", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 27, 2 }, { 1, 1, 1 }, }, + { L"1c", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 28, 2 }, { 1, 1, 1 }, }, + { L"1d", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 29, 2 }, { 1, 1, 1 }, }, + { L"1e", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 30, 2 }, { 1, 1, 1 }, }, + { L"1f", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 31, 2 }, { 1, 1, 1 }, }, + { L"1x", { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, }, + // all digits with leading binary prefix + { L"0b0", { 1, 0, 3 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 176, 3 }, { 1, 0, 3 }, }, + { L"0b1", { 1, 1, 3 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 177, 3 }, { 1, 1, 3 }, }, + { L"0b2", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 178, 3 }, { 1, 0, 1 }, }, + { L"0b3", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 179, 3 }, { 1, 0, 1 }, }, + { L"0b4", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 180, 3 }, { 1, 0, 1 }, }, + { L"0b5", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 181, 3 }, { 1, 0, 1 }, }, + { L"0b6", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 182, 3 }, { 1, 0, 1 }, }, + { L"0b7", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 183, 3 }, { 1, 0, 1 }, }, + { L"0b8", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 184, 3 }, { 1, 0, 1 }, }, + { L"0b9", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 185, 3 }, { 1, 0, 1 }, }, + { L"0bA", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 186, 3 }, { 1, 0, 1 }, }, + { L"0bB", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 187, 3 }, { 1, 0, 1 }, }, + { L"0bC", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 188, 3 }, { 1, 0, 1 }, }, + { L"0bD", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 189, 3 }, { 1, 0, 1 }, }, + { L"0bE", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 190, 3 }, { 1, 0, 1 }, }, + { L"0bF", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 191, 3 }, { 1, 0, 1 }, }, + { L"0bX", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 2 }, { 1, 0, 1 }, }, + { L"0ba", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 186, 3 }, { 1, 0, 1 }, }, + { L"0bb", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 187, 3 }, { 1, 0, 1 }, }, + { L"0bc", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 188, 3 }, { 1, 0, 1 }, }, + { L"0bd", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 189, 3 }, { 1, 0, 1 }, }, + { L"0be", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 190, 3 }, { 1, 0, 1 }, }, + { L"0bf", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 191, 3 }, { 1, 0, 1 }, }, + { L"0bx", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 2 }, { 1, 0, 1 }, }, + // all digits with leading hexadecimal prefix + { L"0x0", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 3 }, { 1, 0, 3 }, }, + { L"0x1", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 1, 3 }, { 1, 1, 3 }, }, + { L"0x2", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 2, 3 }, { 1, 2, 3 }, }, + { L"0x3", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 3, 3 }, { 1, 3, 3 }, }, + { L"0x4", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 4, 3 }, { 1, 4, 3 }, }, + { L"0x5", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 5, 3 }, { 1, 5, 3 }, }, + { L"0x6", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 6, 3 }, { 1, 6, 3 }, }, + { L"0x7", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 7, 3 }, { 1, 7, 3 }, }, + { L"0x8", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 8, 3 }, { 1, 8, 3 }, }, + { L"0x9", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 9, 3 }, { 1, 9, 3 }, }, + { L"0xA", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 10, 3 }, { 1, 10, 3 }, }, + { L"0xB", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 3 }, { 1, 11, 3 }, }, + { L"0xC", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 12, 3 }, { 1, 12, 3 }, }, + { L"0xD", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 13, 3 }, { 1, 13, 3 }, }, + { L"0xE", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 14, 3 }, { 1, 14, 3 }, }, + { L"0xF", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 15, 3 }, { 1, 15, 3 }, }, + { L"0xX", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + { L"0xa", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 10, 3 }, { 1, 10, 3 }, }, + { L"0xb", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 11, 3 }, { 1, 11, 3 }, }, + { L"0xc", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 12, 3 }, { 1, 12, 3 }, }, + { L"0xd", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 13, 3 }, { 1, 13, 3 }, }, + { L"0xe", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 14, 3 }, { 1, 14, 3 }, }, + { L"0xf", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 15, 3 }, { 1, 15, 3 }, }, + { L"0xX", { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, { 1, 0, 1 }, }, + // terminator + { L"" } +}; + +#define SWSCANF_TEST(string, format, expret, expval, explen) \ + do { \ + int ret = 0, val = 0, len = 0; \ + ret = swscanf(string, format "%n", &val, &len); \ + ATF_CHECK_EQ(expret, ret); \ + if (expret && ret) { \ + ATF_CHECK_EQ(expval, val); \ + ATF_CHECK_EQ(explen, len); \ + } \ + } while (0) + +ATF_TC_WITHOUT_HEAD(swscanf_b); +ATF_TC_BODY(swscanf_b, tc) +{ + const struct swscanf_test_case *stc; + wchar_t input[16]; + + for (stc = swscanf_test_cases; *stc->input; stc++) { + wcscpy(input + 1, stc->input); + SWSCANF_TEST(input + 1, L"%b", stc->b.ret, stc->b.val, stc->b.len); + input[0] = L'+'; + SWSCANF_TEST(input, L"%b", stc->b.ret, stc->b.val, stc->b.len ? stc->b.len + 1 : 0); + input[0] = L'-'; + SWSCANF_TEST(input, L"%b", stc->b.ret, -stc->b.val, stc->b.len ? stc->b.len + 1 : 0); + } +} + +ATF_TC_WITHOUT_HEAD(swscanf_o); +ATF_TC_BODY(swscanf_o, tc) +{ + const struct swscanf_test_case *stc; + wchar_t input[16]; + + for (stc = swscanf_test_cases; *stc->input; stc++) { + wcscpy(input + 1, stc->input); + SWSCANF_TEST(input + 1, L"%o", stc->o.ret, stc->o.val, stc->o.len); + input[0] = L'+'; + SWSCANF_TEST(input, L"%o", stc->o.ret, stc->o.val, stc->o.len ? stc->o.len + 1 : 0); + input[0] = L'-'; + SWSCANF_TEST(input, L"%o", stc->o.ret, -stc->o.val, stc->o.len ? stc->o.len + 1 : 0); + } +} + +ATF_TC_WITHOUT_HEAD(swscanf_d); +ATF_TC_BODY(swscanf_d, tc) +{ + const struct swscanf_test_case *stc; + wchar_t input[16]; + + for (stc = swscanf_test_cases; *stc->input; stc++) { + wcscpy(input + 1, stc->input); + SWSCANF_TEST(input + 1, L"%d", stc->d.ret, stc->d.val, stc->d.len); + input[0] = L'+'; + SWSCANF_TEST(input, L"%d", stc->d.ret, stc->d.val, stc->d.len ? stc->d.len + 1 : 0); + input[0] = L'-'; + SWSCANF_TEST(input, L"%d", stc->d.ret, -stc->d.val, stc->d.len ? stc->d.len + 1 : 0); + } +} + +ATF_TC_WITHOUT_HEAD(swscanf_x); +ATF_TC_BODY(swscanf_x, tc) +{ + const struct swscanf_test_case *stc; + wchar_t input[16]; + + for (stc = swscanf_test_cases; *stc->input; stc++) { + wcscpy(input + 1, stc->input); + SWSCANF_TEST(input + 1, L"%x", stc->x.ret, stc->x.val, stc->x.len); + input[0] = L'+'; + SWSCANF_TEST(input, L"%x", stc->x.ret, stc->x.val, stc->x.len ? stc->x.len + 1 : 0); + input[0] = L'-'; + SWSCANF_TEST(input, L"%x", stc->x.ret, -stc->x.val, stc->x.len ? stc->x.len + 1 : 0); + } +} + +ATF_TC_WITHOUT_HEAD(swscanf_i); +ATF_TC_BODY(swscanf_i, tc) +{ + const struct swscanf_test_case *stc; + wchar_t input[16]; + + for (stc = swscanf_test_cases; *stc->input; stc++) { + wcscpy(input + 1, stc->input); + SWSCANF_TEST(input + 1, L"%i", stc->i.ret, stc->i.val, stc->i.len); + input[0] = L'+'; + SWSCANF_TEST(input, L"%i", stc->i.ret, stc->i.val, stc->i.len ? stc->i.len + 1 : 0); + input[0] = L'-'; + SWSCANF_TEST(input, L"%i", stc->i.ret, -stc->i.val, stc->i.len ? stc->i.len + 1 : 0); + } +} + +/* + * Test termination cases: non-numeric character, fixed width, EOF + */ +ATF_TC_WITHOUT_HEAD(swscanf_termination); +ATF_TC_BODY(swscanf_termination, tc) +{ + int a = 0, b = 0, c = 0; + char d = 0; + + ATF_CHECK_EQ(4, swscanf(L"3.1415", L"%d%c%2d%d", &a, &d, &b, &c)); + ATF_CHECK_EQ(3, a); + ATF_CHECK_EQ(14, b); + ATF_CHECK_EQ(15, c); + ATF_CHECK_EQ(L'.', d); +} + +ATF_TP_ADD_TCS(tp) +{ + setlocale(LC_NUMERIC, "en_US.UTF-8"); + ATF_TP_ADD_TC(tp, swscanf_b); + ATF_TP_ADD_TC(tp, swscanf_o); + ATF_TP_ADD_TC(tp, swscanf_d); + ATF_TP_ADD_TC(tp, swscanf_x); + ATF_TP_ADD_TC(tp, swscanf_i); + ATF_TP_ADD_TC(tp, swscanf_termination); + return (atf_no_error()); +} |