/****************************************************************************
- * Copyright (c) 1998-2003,2007 Free Software Foundation, Inc. *
+ * Copyright 2020,2023 Thomas E. Dickey *
+ * Copyright 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 *
****************************************************************************/
/****************************************************************************
- * Author: Thomas E. Dickey <dickey@clark.net> 1997 *
+ * Author: Thomas E. Dickey 1997-on *
****************************************************************************/
/*
* trace_buf.c - Tracing/Debugging buffers (attributes)
#include <curses.priv.h>
-MODULE_ID("$Id: trace_buf.c,v 1.13 2007/04/21 22:50:08 tom Exp $")
+MODULE_ID("$Id: trace_buf.c,v 1.22 2023/06/24 13:37:25 tom Exp $")
+
+#ifdef TRACE
#define MyList _nc_globals.tracebuf_ptr
#define MySize _nc_globals.tracebuf_used
if (bufnum >= 0) {
if ((size_t) (bufnum + 1) > MySize) {
- size_t need = (bufnum + 1) * 2;
- if ((MyList = typeRealloc(TRACEBUF, need, MyList)) == 0)
- return (0);
- while (need > MySize)
- MyList[MySize++].text = 0;
+ size_t need = (size_t) (bufnum + 1) * 2;
+ if ((MyList = typeRealloc(TRACEBUF, need, MyList)) != 0) {
+ while (need > MySize)
+ MyList[MySize++].text = 0;
+ }
}
- if (MyList[bufnum].text == 0
- || want > MyList[bufnum].size) {
- MyList[bufnum].text = typeRealloc(char, want, MyList[bufnum].text);
- if (MyList[bufnum].text != 0)
- MyList[bufnum].size = want;
+ if (MyList != 0) {
+ if (MyList[bufnum].text == 0
+ || want > MyList[bufnum].size) {
+ MyList[bufnum].text = typeRealloc(char, want, MyList[bufnum].text);
+ if (MyList[bufnum].text != 0)
+ MyList[bufnum].size = want;
+ }
+ result = MyList[bufnum].text;
}
-
- result = MyList[bufnum].text;
}
#if NO_LEAKS
else {
if (MySize) {
- while (MySize--) {
- if (MyList[MySize].text != 0)
- free(MyList[MySize].text);
+ if (MyList) {
+ while (MySize--) {
+ if (MyList[MySize].text != 0) {
+ free(MyList[MySize].text);
+ }
+ }
+ free(MyList);
+ MyList = 0;
}
- free(MyList);
+ MySize = 0;
}
}
#endif
NCURSES_EXPORT(char *)
_nc_trace_bufcat(int bufnum, const char *value)
{
- char *buffer = _nc_trace_alloc(bufnum, 0);
- size_t have = strlen(buffer);
+ char *buffer;
+
+ if (value == NULL)
+ value = "";
+ buffer = _nc_trace_alloc(bufnum, (size_t) 0);
+ if (buffer != 0) {
+ size_t have = strlen(buffer);
+ size_t need = strlen(value) + have;
- buffer = _nc_trace_alloc(bufnum, 1 + have + strlen(value));
- (void) strcpy(buffer + have, value);
+ buffer = _nc_trace_alloc(bufnum, 1 + need);
+ if (buffer != 0)
+ _nc_STRCPY(buffer + have, value, need);
+ }
return buffer;
}
+#else
+EMPTY_MODULE(_nc_empty_trace_buf)
+#endif /* TRACE */