+++ /dev/null
-/****************************************************************************
- * Copyright (c) 1998 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 *
- * "Software"), to deal in the Software without restriction, including *
- * without limitation the rights to use, copy, modify, merge, publish, *
- * distribute, distribute with modifications, sublicense, and/or sell *
- * copies of the Software, and to permit persons to whom the Software is *
- * furnished to do so, subject to the following conditions: *
- * *
- * The above copyright notice and this permission notice shall be included *
- * in all copies or substantial portions of the Software. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
- * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
- * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
- * *
- * Except as contained in this notice, the name(s) of the above copyright *
- * holders shall not be used in advertising or otherwise to promote the *
- * sale, use or other dealings in this Software without prior written *
- * authorization. *
- ****************************************************************************/
-
-/****************************************************************************
- * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
- * and: Eric S. Raymond <esr@snark.thyrsus.com> *
- ****************************************************************************/
-
-/*
- * lib_trace.c - Tracing/Debugging routines
- */
-
-#ifndef TRACE
-#define TRACE /* turn on internal defs for this module */
-#endif
-
-#include <curses.priv.h>
-
-MODULE_ID("$Id: lib_trace.c,v 1.25 1998/02/11 12:13:55 tom Exp $")
-
-#include <ctype.h>
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-unsigned _nc_tracing = 0;
-const char *_nc_tputs_trace = "";
-long _nc_outchars;
-int _nc_optimize_enable = OPTIMIZE_ALL;
-
-static FILE * tracefp; /* default to writing to stderr */
-
-void trace(const unsigned int tracelevel)
-{
-static bool been_here = FALSE;
-
- _nc_tracing = tracelevel;
- if (! been_here && tracelevel) {
- been_here = TRUE;
-
- if ((tracefp = fopen("trace", "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);
- }
-}
-
-const char *_nc_visbuf2(int bufnum, const char *buf)
-/* visibilize a given string */
-{
-char *vbuf;
-char *tp;
-int c;
-
- if (buf == 0)
- return("(null)");
-
- 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);
- }
- }
- *tp++ = '"';
- *tp++ = '\0';
- return(vbuf);
-}
-
-const char *_nc_visbuf(const char *buf)
-{
- return _nc_visbuf2(0, buf);
-}
-
-void
-_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;
- }
- }
-
- 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)
-{
- T((T_RETURN("%d"), code));
- return code;
-}
-
-/* Trace 'char*' return-values */
-char * _nc_retrace_ptr(char * code)
-{
- T((T_RETURN("%s"), _nc_visbuf(code)));
- return code;
-}
-
-/* Trace 'WINDOW *' return-values */
-WINDOW *_nc_retrace_win(WINDOW *code)
-{
- T((T_RETURN("%p"), code));
- return code;
-}
projects / ncurses.git / blobdiff