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Diffstat (limited to 'ncurses/tinfo/captoinfo.c')
-rw-r--r--ncurses/tinfo/captoinfo.c212
1 files changed, 118 insertions, 94 deletions
diff --git a/ncurses/tinfo/captoinfo.c b/ncurses/tinfo/captoinfo.c
index a0da44dea989..e02e622b0de3 100644
--- a/ncurses/tinfo/captoinfo.c
+++ b/ncurses/tinfo/captoinfo.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
@@ -93,7 +93,7 @@
#include <ctype.h>
#include <tic.h>
-MODULE_ID("$Id: captoinfo.c,v 1.58 2010/12/04 20:08:19 tom Exp $")
+MODULE_ID("$Id: captoinfo.c,v 1.77 2012/12/30 00:50:40 tom Exp $")
#define MAX_PUSHED 16 /* max # args we can push onto the stack */
@@ -114,9 +114,7 @@ init_string(void)
/* initialize 'my_string', 'my_length' */
{
if (my_string == 0)
- my_string = typeMalloc(char, my_length = 256);
- if (my_string == 0)
- _nc_err_abort(MSG_NO_MEMORY);
+ TYPE_MALLOC(char, my_length = 256, my_string);
*my_string = '\0';
return my_string;
@@ -133,7 +131,7 @@ save_string(char *d, const char *const s)
_nc_err_abort(MSG_NO_MEMORY);
d = my_string + have;
}
- (void) strcpy(d, s);
+ _nc_STRCPY(d, s, my_length - have);
return d + strlen(d);
}
@@ -240,6 +238,12 @@ getparm(int parm, int n)
else if (parm == 2)
parm = 1;
}
+
+ while (n--) {
+ dp = save_string(dp, "%p");
+ dp = save_char(dp, '0' + parm);
+ }
+
if (onstack == parm) {
if (n > 1) {
_nc_warning("string may not be optimal");
@@ -255,11 +259,6 @@ getparm(int parm, int n)
onstack = parm;
- while (n--) {
- dp = save_string(dp, "%p");
- dp = save_char(dp, '0' + parm);
- }
-
if (seenn && parm < 3) {
dp = save_string(dp, "%{96}%^");
}
@@ -469,73 +468,9 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
break;
}
break;
-#ifdef REVISIBILIZE
- case '\\':
- dp = save_char(dp, *s++);
- dp = save_char(dp, *s++);
- break;
- case '\n':
- dp = save_string(dp, "\\n");
- s++;
- break;
- case '\t':
- dp = save_string(dp, "\\t");
- s++;
- break;
- case '\r':
- dp = save_string(dp, "\\r");
- s++;
- break;
- case '\200':
- dp = save_string(dp, "\\0");
- s++;
- break;
- case '\f':
- dp = save_string(dp, "\\f");
- s++;
- break;
- case '\b':
- dp = save_string(dp, "\\b");
- s++;
- break;
- case ' ':
- dp = save_string(dp, "\\s");
- s++;
- break;
- case '^':
- dp = save_string(dp, "\\^");
- s++;
- break;
- case ':':
- dp = save_string(dp, "\\:");
- s++;
- break;
- case ',':
- dp = save_string(dp, "\\,");
- s++;
- break;
- default:
- if (*s == '\033') {
- dp = save_string(dp, "\\E");
- s++;
- } else if (*s > 0 && *s < 32) {
- dp = save_char(dp, '^');
- dp = save_char(dp, *s + '@');
- s++;
- } else if (*s <= 0 || *s >= 127) {
- dp = save_char(dp, '\\');
- dp = save_char(dp, ((*s & 0300) >> 6) + '0');
- dp = save_char(dp, ((*s & 0070) >> 3) + '0');
- dp = save_char(dp, (*s & 0007) + '0');
- s++;
- } else
- dp = save_char(dp, *s++);
- break;
-#else
default:
dp = save_char(dp, *s++);
break;
-#endif
}
}
@@ -578,7 +513,7 @@ bcd_expression(const char *str)
{
char buffer[80];
int tst;
- sprintf(buffer, fmt, ch1, ch2);
+ _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) fmt, ch1, ch2);
tst = strlen(buffer) - 1;
assert(len == tst);
}
@@ -597,10 +532,13 @@ save_tc_char(char *bufptr, int c1)
bufptr = save_char(bufptr, '\\');
bufptr = save_char(bufptr, c1);
} else {
- if (c1 == (c1 & 0x1f)) /* iscntrl() returns T on 255 */
- (void) strcpy(temp, unctrl((chtype) c1));
- else
- (void) sprintf(temp, "\\%03o", c1);
+ if (c1 == (c1 & 0x1f)) { /* iscntrl() returns T on 255 */
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+ "%.20s", unctrl((chtype) c1));
+ } else {
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+ "\\%03o", c1);
+ }
bufptr = save_string(bufptr, temp);
}
return bufptr;
@@ -646,13 +584,15 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
int in0, in1, in2;
char ch1 = 0, ch2 = 0;
char *bufptr = init_string();
+ char octal[4];
int len;
bool syntax_error = FALSE;
/* we may have to move some trailing mandatory padding up front */
padding = str + strlen(str) - 1;
- if (padding > str && *padding == '>' && *--padding == '/') {
- --padding;
+ if (padding > str && *padding == '>') {
+ if (*--padding == '/')
+ --padding;
while (isdigit(UChar(*padding)) || *padding == '.' || *padding == '*')
padding--;
if (padding > str && *padding == '<' && *--padding == '$')
@@ -663,7 +603,7 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
bufptr = save_char(bufptr, *padding++);
}
- for (; *str && str != trimmed; str++) {
+ for (; *str && ((trimmed == 0) || (str < trimmed)); str++) {
int c1, c2;
char *cp = 0;
@@ -685,8 +625,72 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
} else if (str[1] == ',') {
bufptr = save_char(bufptr, *++str);
} else {
+ int xx1, xx2;
+
bufptr = save_char(bufptr, *str++);
- bufptr = save_char(bufptr, *str);
+ xx1 = *str;
+ if (_nc_strict_bsd) {
+ if (isdigit(UChar(xx1))) {
+ int pad = 0;
+
+ if (!isdigit(UChar(str[1])))
+ pad = 2;
+ else if (str[1] && !isdigit(UChar(str[2])))
+ pad = 1;
+
+ /*
+ * Test for "\0", "\00" or "\000" and transform those
+ * into "\200".
+ */
+ if (xx1 == '0'
+ && ((pad == 2) || (str[1] == '0'))
+ && ((pad >= 1) || (str[2] == '0'))) {
+ xx2 = '2';
+ } else {
+ xx2 = '0';
+ pad = 0; /* FIXME - optionally pad to 3 digits */
+ }
+ while (pad-- > 0) {
+ bufptr = save_char(bufptr, xx2);
+ xx2 = '0';
+ }
+ } else if (strchr("E\\nrtbf", xx1) == 0) {
+ switch (xx1) {
+ case 'e':
+ xx1 = 'E';
+ break;
+ case 'l':
+ xx1 = 'n';
+ break;
+ case 's':
+ bufptr = save_char(bufptr, '0');
+ bufptr = save_char(bufptr, '4');
+ xx1 = '0';
+ break;
+ case ':':
+ /*
+ * Note: termcap documentation claims that ":"
+ * must be escaped as "\072", however the
+ * documentation is incorrect - read the code.
+ * The replacement does not work reliably,
+ * so the advice is not helpful.
+ */
+ bufptr = save_char(bufptr, '0');
+ bufptr = save_char(bufptr, '7');
+ xx1 = '2';
+ break;
+ default:
+ /* should not happen, but handle this anyway */
+ _nc_SPRINTF(octal, _nc_SLIMIT(sizeof(octal))
+ "%03o", UChar(xx1));
+ bufptr = save_char(bufptr, octal[0]);
+ bufptr = save_char(bufptr, octal[1]);
+ xx1 = octal[2];
+ break;
+ }
+ }
+ }
+ bufptr = save_char(bufptr, xx1);
}
} else if (str[0] == '$' && str[1] == '<') { /* discard padding */
str += 2;
@@ -703,7 +707,8 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
&& ((in0 == 4 && in1 == 10 && in2 == 48)
|| (in0 == 3 && in1 == 9 && in2 == 38))) {
/* dumb-down an optimized case from xterm-256color for termcap */
- str = strstr(str, ";m");
+ if ((str = strstr(str, ";m")) == 0)
+ break; /* cannot happen */
++str;
if (in2 == 48) {
bufptr = save_string(bufptr, "[48;5;%dm");
@@ -720,13 +725,13 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
bufptr = save_tc_inequality(bufptr, c1, c2);
} else if (sscanf(str, "%%?%%{%d}%%>%%t%%'%c'%%+%%;", &c1, &ch2) == 2) {
str = strchr(str, ';');
- bufptr = save_tc_inequality(bufptr, c1, c2);
+ bufptr = save_tc_inequality(bufptr, c1, ch2);
} else if (sscanf(str, "%%?%%'%c'%%>%%t%%{%d}%%+%%;", &ch1, &c2) == 2) {
str = strchr(str, ';');
- bufptr = save_tc_inequality(bufptr, c1, c2);
+ bufptr = save_tc_inequality(bufptr, ch1, c2);
} else if (sscanf(str, "%%?%%'%c'%%>%%t%%'%c'%%+%%;", &ch1, &ch2) == 2) {
str = strchr(str, ';');
- bufptr = save_tc_inequality(bufptr, c1, c2);
+ bufptr = save_tc_inequality(bufptr, ch1, ch2);
} else if ((len = bcd_expression(str)) != 0) {
str += len;
bufptr = save_string(bufptr, "%B");
@@ -741,15 +746,15 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
bufptr = save_tc_char(bufptr, c1);
}
/* FIXME: this "works" for 'delta' */
- else if (strncmp(str, "%{2}%*%-", 8) == 0) {
+ else if (strncmp(str, "%{2}%*%-", (size_t) 8) == 0) {
str += 7;
bufptr = save_string(bufptr, "%D");
- } else if (strncmp(str, "%{96}%^", 7) == 0) {
+ } else if (strncmp(str, "%{96}%^", (size_t) 7) == 0) {
str += 6;
if (saw_m++ == 0) {
bufptr = save_string(bufptr, "%n");
}
- } else if (strncmp(str, "%{127}%^", 8) == 0) {
+ } else if (strncmp(str, "%{127}%^", (size_t) 8) == 0) {
str += 7;
if (saw_n++ == 0) {
bufptr = save_string(bufptr, "%m");
@@ -772,8 +777,25 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
case '8':
case '9':
bufptr = save_char(bufptr, '%');
- while (isdigit(UChar(*str)))
- bufptr = save_char(bufptr, *str++);
+ ch1 = 0;
+ ch2 = 0;
+ while (isdigit(UChar(*str))) {
+ ch2 = ch1;
+ ch1 = *str++;
+ if (_nc_strict_bsd) {
+ if (ch1 > '3')
+ return 0;
+ } else {
+ bufptr = save_char(bufptr, ch1);
+ }
+ }
+ if (_nc_strict_bsd) {
+ if (ch2 != 0 && ch2 != '0')
+ return 0;
+ if (ch1 < '2')
+ ch1 = 'd';
+ bufptr = save_char(bufptr, ch1);
+ }
if (strchr("doxX.", *str)) {
if (*str != 'd') /* termcap doesn't have octal, hex */
return 0;
@@ -794,6 +816,8 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
* termcap notation.
*/
case 's':
+ if (_nc_strict_bsd)
+ return 0;
bufptr = save_string(bufptr, "%s");
break;
@@ -826,7 +850,7 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
* but that may not be the end of the string.
*/
assert(str != 0);
- if (*str == '\0')
+ if (str == 0 || *str == '\0')
break;
} /* endwhile (*str) */
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