diff options
Diffstat (limited to 'contrib/ncurses/ncurses/trace/lib_trace.c')
-rw-r--r-- | contrib/ncurses/ncurses/trace/lib_trace.c | 258 |
1 files changed, 137 insertions, 121 deletions
diff --git a/contrib/ncurses/ncurses/trace/lib_trace.c b/contrib/ncurses/ncurses/trace/lib_trace.c index 0f47e16e698f..51260aec6b17 100644 --- a/contrib/ncurses/ncurses/trace/lib_trace.c +++ b/contrib/ncurses/ncurses/trace/lib_trace.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998,1999,2000 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 * @@ -38,163 +38,179 @@ #include <curses.priv.h> #include <tic.h> -MODULE_ID("$Id: lib_trace.c,v 1.30 1998/10/03 23:41:42 tom Exp $") - #include <ctype.h> -#if HAVE_FCNTL_H -#include <fcntl.h> -#endif + +MODULE_ID("$Id: lib_trace.c,v 1.34 2000/04/01 20:25:47 tom Exp $") unsigned _nc_tracing = 0; /* always define this */ #ifdef TRACE const char *_nc_tputs_trace = ""; -long _nc_outchars; +long _nc_outchars = 0; -static FILE * tracefp; /* default to writing to stderr */ -#endif +static FILE *tracefp; /* default to writing to stderr */ -void _nc_trace(const unsigned int tracelevel GCC_UNUSED) +void +trace(const unsigned int tracelevel GCC_UNUSED) { -#ifdef TRACE -static bool been_here = FALSE; -static char my_name[] = "trace"; - - _nc_tracing = tracelevel; - if (! been_here && tracelevel) { - been_here = TRUE; - - if (_nc_access(my_name, W_OK) < 0 - || (tracefp = fopen(my_name, "w")) == 0) { - perror("curses: Can't open 'trace' file: "); - exit(EXIT_FAILURE); - } - /* Try to set line-buffered mode, or (failing that) unbuffered, - * so that the trace-output gets flushed automatically at the - * end of each line. This is useful in case the program dies. - */ -#if HAVE_SETVBUF /* ANSI */ - (void) setvbuf(tracefp, (char *)0, _IOLBF, 0); -#elif HAVE_SETBUF /* POSIX */ - (void) setbuffer(tracefp, (char *)0); -#endif - _tracef("TRACING NCURSES version %s (%d)", - NCURSES_VERSION, NCURSES_VERSION_PATCH); + static bool been_here = FALSE; + static char my_name[] = "trace"; + + _nc_tracing = tracelevel; + if (!been_here && tracelevel) { + been_here = TRUE; + + if (_nc_access(my_name, W_OK) < 0 + || (tracefp = fopen(my_name, "w")) == 0) { + perror("curses: Can't open 'trace' file: "); + exit(EXIT_FAILURE); } + /* Try to set line-buffered mode, or (failing that) unbuffered, + * so that the trace-output gets flushed automatically at the + * end of each line. This is useful in case the program dies. + */ +#if HAVE_SETVBUF /* ANSI */ + (void) setvbuf(tracefp, (char *) 0, _IOLBF, 0); +#elif HAVE_SETBUF /* POSIX */ + (void) setbuffer(tracefp, (char *) 0); #endif + _tracef("TRACING NCURSES version %s (%d)", + NCURSES_VERSION, NCURSES_VERSION_PATCH); + } } +#endif -const char *_nc_visbuf2(int bufnum, const char *buf) +const char * +_nc_visbuf2(int bufnum, const char *buf) /* visibilize a given string */ { -char *vbuf; -char *tp; -int c; - - if (buf == 0) - return("(null)"); - if (buf == CANCELLED_STRING) - return("(cancelled)"); - - tp = vbuf = _nc_trace_buf(bufnum, (strlen(buf) * 4) + 5); - *tp++ = '"'; - while ((c = *buf++) != '\0') { - if (c == '"') { - *tp++ = '\\'; *tp++ = '"'; - } else if (is7bits(c) && (isgraph(c) || c == ' ')) { - *tp++ = c; - } else if (c == '\n') { - *tp++ = '\\'; *tp++ = 'n'; - } else if (c == '\r') { - *tp++ = '\\'; *tp++ = 'r'; - } else if (c == '\b') { - *tp++ = '\\'; *tp++ = 'b'; - } else if (c == '\033') { - *tp++ = '\\'; *tp++ = 'e'; - } else if (is7bits(c) && iscntrl(c)) { - *tp++ = '\\'; *tp++ = '^'; *tp++ = '@' + c; - } else { - sprintf(tp, "\\%03o", c & 0xff); - tp += strlen(tp); - } + char *vbuf; + char *tp; + int c; + + if (buf == 0) + return ("(null)"); + if (buf == CANCELLED_STRING) + return ("(cancelled)"); + +#ifdef TRACE + tp = vbuf = _nc_trace_buf(bufnum, (strlen(buf) * 4) + 5); +#else + { + static char *mybuf[2]; + mybuf[bufnum] = _nc_doalloc(mybuf[bufnum], (strlen(buf) * 4) + 5); + tp = vbuf = mybuf[bufnum]; + } +#endif + *tp++ = '"'; + while ((c = *buf++) != '\0') { + if (c == '"') { + *tp++ = '\\'; + *tp++ = '"'; + } else if (is7bits(c) && (isgraph(c) || c == ' ')) { + *tp++ = c; + } else if (c == '\n') { + *tp++ = '\\'; + *tp++ = 'n'; + } else if (c == '\r') { + *tp++ = '\\'; + *tp++ = 'r'; + } else if (c == '\b') { + *tp++ = '\\'; + *tp++ = 'b'; + } else if (c == '\033') { + *tp++ = '\\'; + *tp++ = 'e'; + } else if (is7bits(c) && iscntrl(c)) { + *tp++ = '\\'; + *tp++ = '^'; + *tp++ = '@' + c; + } else { + sprintf(tp, "\\%03o", c & 0xff); + tp += strlen(tp); } - *tp++ = '"'; - *tp++ = '\0'; - return(vbuf); + } + *tp++ = '"'; + *tp++ = '\0'; + return (vbuf); } -const char *_nc_visbuf(const char *buf) +const char * +_nc_visbuf(const char *buf) { - return _nc_visbuf2(0, buf); + return _nc_visbuf2(0, buf); } #ifdef TRACE void -_tracef(const char *fmt, ...) +_tracef(const char *fmt,...) { -static const char Called[] = T_CALLED(""); -static const char Return[] = T_RETURN(""); -static int level; -va_list ap; -bool before = FALSE; -bool after = FALSE; -int doit = _nc_tracing; -int save_err = errno; - - if (strlen(fmt) >= sizeof(Called) - 1) { - if (!strncmp(fmt, Called, sizeof(Called)-1)) { - before = TRUE; - level++; - } else if (!strncmp(fmt, Return, sizeof(Return)-1)) { - after = TRUE; - } - if (before || after) { - if ((level <= 1) - || (doit & TRACE_ICALLS) != 0) - doit &= (TRACE_CALLS|TRACE_CCALLS); - else - doit = 0; - } + static const char Called[] = T_CALLED(""); + static const char Return[] = T_RETURN(""); + static int level; + va_list ap; + bool before = FALSE; + bool after = FALSE; + int doit = _nc_tracing; + int save_err = errno; + + if (strlen(fmt) >= sizeof(Called) - 1) { + if (!strncmp(fmt, Called, sizeof(Called) - 1)) { + before = TRUE; + level++; + } else if (!strncmp(fmt, Return, sizeof(Return) - 1)) { + after = TRUE; } - - if (doit != 0) { - if (tracefp == 0) - tracefp = stderr; - if (before || after) { - int n; - for (n = 1; n < level; n++) - fputs("+ ", tracefp); - } - va_start(ap, fmt); - vfprintf(tracefp, fmt, ap); - fputc('\n', tracefp); - va_end(ap); - fflush(tracefp); + if (before || after) { + if ((level <= 1) + || (doit & TRACE_ICALLS) != 0) + doit &= (TRACE_CALLS | TRACE_CCALLS); + else + doit = 0; } - - if (after && level) - level--; - errno = save_err; + } + + if (doit != 0) { + if (tracefp == 0) + tracefp = stderr; + if (before || after) { + int n; + for (n = 1; n < level; n++) + fputs("+ ", tracefp); + } + va_start(ap, fmt); + vfprintf(tracefp, fmt, ap); + fputc('\n', tracefp); + va_end(ap); + fflush(tracefp); + } + + if (after && level) + level--; + errno = save_err; } /* Trace 'int' return-values */ -int _nc_retrace_int(int code) +int +_nc_retrace_int(int code) { - T((T_RETURN("%d"), code)); - return code; + T((T_RETURN("%d"), code)); + return code; } /* Trace 'char*' return-values */ -char * _nc_retrace_ptr(char * code) +char * +_nc_retrace_ptr(char *code) { - T((T_RETURN("%s"), _nc_visbuf(code))); - return code; + T((T_RETURN("%s"), _nc_visbuf(code))); + return code; } /* Trace 'WINDOW *' return-values */ -WINDOW *_nc_retrace_win(WINDOW *code) +WINDOW * +_nc_retrace_win(WINDOW *code) { - T((T_RETURN("%p"), code)); - return code; + T((T_RETURN("%p"), code)); + return code; } #endif /* TRACE */ |