/*
* xrealloc() - same as realloc(3). Used for portability.
* Never returns NULL; fatal on error.
*/
void *
xrealloc(void *s, size_t sz)
{
void *p;
PROF_start(xrealloc);
#if XMALLOC_TRACE
xmalloc_show_trace(s, -1);
#endif
if (sz < 1)
sz = 1;
#if XMALLOC_DEBUG
if (s != NULL)
check_free(s);
#endif
if ((p = realloc(s, sz)) == NULL) {
if (failure_notify) {
snprintf(msg, 128, "xrealloc: Unable to reallocate %d bytes!\n",
(int) sz);
(*failure_notify) (msg);
} else {
perror("realloc");
}
exit(1);
}
#if XMALLOC_DEBUG
check_malloc(p, sz);
#endif
#if XMALLOC_STATISTICS
malloc_stat(sz);
#endif
#if XMALLOC_TRACE
xmalloc_show_trace(p, 1);
#endif
#if MEM_GEN_TRACE
if (tracefp) /* new ptr, old ptr, new size */
fprintf(tracefp, "r:%p:%p:%d\n", p, s, sz);
#endif
PROF_stop(xrealloc);
return (p);
}
/*
* xcalloc() - same as calloc(3). Used for portability.
* Never returns NULL; fatal on error.
*/
void *
xcalloc(size_t n, size_t sz)
{
void *p;
if (n < 1)
n = 1;
if (sz < 1)
sz = 1;
if ((p = calloc(n, sz)) == NULL) {
if (failure_notify) {
snprintf(msg, 128, "xcalloc: Unable to allocate %u blocks of %u bytes!\n",
(unsigned int) n, (unsigned int) sz);
(*failure_notify) (msg);
} else {
perror("xcalloc");
}
exit(1);
}
#if XMALLOC_DEBUG
check_malloc(p, sz * n);
#endif
#if XMALLOC_STATISTICS
malloc_stat(sz * n);
#endif
#if XMALLOC_TRACE
xmalloc_show_trace(p, 1);
#endif
#if MEM_GEN_TRACE
if (tracefp)
fprintf(tracefp, "c:%u:%u:%p\n", (unsigned int) n, (unsigned int) sz, p);
#endif
return (p);
}
/*
* xmalloc() - same as malloc(3). Used for portability.
* Never returns NULL; fatal on error.
*/
void *
xmalloc(size_t sz)
{
void *p;
if (sz < 1)
sz = 1;
if ((p = malloc(sz)) == NULL) {
if (failure_notify) {
snprintf(msg, 128, "xmalloc: Unable to allocate %d bytes!\n",
(int) sz);
(*failure_notify) (msg);
} else {
perror("malloc");
}
exit(1);
}
#if XMALLOC_DEBUG
check_malloc(p, sz);
#endif
#if XMALLOC_STATISTICS
malloc_stat(sz);
#endif
#if XMALLOC_TRACE
xmalloc_show_trace(p, 1);
#endif
#if MEM_GEN_TRACE
if (tracefp)
fprintf(tracefp, "m:%d:%p\n", sz, p);
#endif
return (p);
}
/*
* xfree() - same as free(3). Will not call free(3) if s == NULL.
*/
void
xfree(void *s)
{
PROF_start(xfree);
#if XMALLOC_TRACE
xmalloc_show_trace(s, -1);
#endif
#if XMALLOC_DEBUG
if (s != NULL)
check_free(s);
#endif
if (s != NULL)
free(s);
#if MEM_GEN_TRACE
if (tracefp && s)
fprintf(tracefp, "f:%p\n", s);
#endif
PROF_stop(xfree);
}
/* xxfree() - like xfree(), but we already know s != NULL */
void
xxfree(const void *s_const)
{
void *s = (void *) s_const;
#if XMALLOC_TRACE
xmalloc_show_trace(s, -1);
#endif
#if XMALLOC_DEBUG
check_free(s);
#endif
free(s);
#if MEM_GEN_TRACE
if (tracefp && s)
fprintf(tracefp, "f:%p\n", s);
#endif
}
