/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2001,2002 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 *
#include <curses.priv.h>
#include <tic.h>
-MODULE_ID("$Id: lib_trace.c,v 1.30 1998/10/03 23:41:42 tom Exp $")
-
#include <ctype.h>
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-unsigned _nc_tracing = 0; /* always define this */
+MODULE_ID("$Id: lib_trace.c,v 1.50 2002/10/12 15:20:15 tom Exp $")
+
+NCURSES_EXPORT_VAR(unsigned) _nc_tracing = 0; /* always define this */
#ifdef TRACE
-const char *_nc_tputs_trace = "";
-long _nc_outchars;
+NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace = "";
+NCURSES_EXPORT_VAR(long) _nc_outchars = 0;
-static FILE * tracefp; /* default to writing to stderr */
-#endif
+static FILE *tracefp; /* default to writing to stderr */
-void trace(const unsigned int tracelevel GCC_UNUSED)
+NCURSES_EXPORT(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";
+
+ if (!been_here && tracelevel) {
+ been_here = TRUE;
+
+ _nc_tracing = tracelevel;
+ if (_nc_access(my_name, W_OK) < 0
+ || (tracefp = fopen(my_name, "wb")) == 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 (tracelevel=%#x)",
+ curses_version(), tracelevel);
+ } else if (_nc_tracing != tracelevel) {
+ _nc_tracing = tracelevel;
+ _tracef("tracelevel=%#x", tracelevel);
+ }
}
-const char *_nc_visbuf2(int bufnum, const char *buf)
-/* visibilize a given string */
+NCURSES_EXPORT(void)
+_tracef(const char *fmt,...)
{
-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);
- }
+ 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);
}
- *tp++ = '"';
- *tp++ = '\0';
- return(vbuf);
+ va_start(ap, fmt);
+ vfprintf(tracefp, fmt, ap);
+ fputc('\n', tracefp);
+ va_end(ap);
+ fflush(tracefp);
+ }
+
+ if (after && level)
+ level--;
+ errno = save_err;
}
-const char *_nc_visbuf(const char *buf)
+/* Trace 'bool' return-values */
+NCURSES_EXPORT(NCURSES_BOOL)
+_nc_retrace_bool(NCURSES_BOOL code)
{
- return _nc_visbuf2(0, buf);
+ T((T_RETURN("%s"), code ? "TRUE" : "FALSE"));
+ return code;
}
-#ifdef TRACE
-void
-_tracef(const char *fmt, ...)
+/* Trace 'int' return-values */
+NCURSES_EXPORT(int)
+_nc_retrace_int(int code)
{
-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;
+ T((T_RETURN("%d"), code));
+ return code;
}
-/* Trace 'int' return-values */
-int _nc_retrace_int(int code)
+/* Trace 'unsigned' return-values */
+NCURSES_EXPORT(unsigned)
+_nc_retrace_unsigned(unsigned code)
{
- T((T_RETURN("%d"), code));
- return code;
+ T((T_RETURN("%#x"), code));
+ return code;
}
/* Trace 'char*' return-values */
-char * _nc_retrace_ptr(char * code)
+NCURSES_EXPORT(char *)
+_nc_retrace_ptr(char *code)
+{
+ T((T_RETURN("%s"), _nc_visbuf(code)));
+ return code;
+}
+
+/* Trace 'SCREEN *' return-values */
+NCURSES_EXPORT(SCREEN *)
+_nc_retrace_sp(SCREEN * code)
{
- T((T_RETURN("%s"), _nc_visbuf(code)));
- return code;
+ T((T_RETURN("%p"), code));
+ return code;
}
/* Trace 'WINDOW *' return-values */
-WINDOW *_nc_retrace_win(WINDOW *code)
+NCURSES_EXPORT(WINDOW *)
+_nc_retrace_win(WINDOW *code)
{
- T((T_RETURN("%p"), code));
- return code;
+ T((T_RETURN("%p"), code));
+ return code;
}
#endif /* TRACE */
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