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/*
* util.c --
*
* Misc utility functions.
*
* Copyright (c) 1999 Frank Strauss, Technical University of Braunschweig.
*
* See the file "COPYING" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* @(#) $Id: util.c 1470 2002-11-13 13:15:03Z strauss $
*/
#include <config.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "util.h"
#include "snprintf.h"
#ifdef HAVE_DMALLOC_H
#include <dmalloc.h>
#endif
#ifdef HAVE_DMALLOC_H
void *_smiMalloc(char *file, int line, size_t size)
{
char *m = _calloc_leap(file, line, 1, size);
if (! m) {
smiPrintError(NULL, ERR_OUT_OF_MEMORY);
}
return m;
}
void *_smiRealloc(char *file, int line, void *ptr, size_t size)
{
char *m = _realloc_leap(file, line, ptr, size);
if (! m) {
smiPrintError(NULL, ERR_OUT_OF_MEMORY);
}
return m;
}
char *_smiStrdup(char *file, int line, const char *s1)
{
if (s1) {
char *m = _strdup_leap(file, line, s1);
if (! m) {
smiPrintError(NULL, ERR_OUT_OF_MEMORY);
}
return m;
} else {
return NULL;
}
}
char *_smiStrndup(char *file, int line, const char *s1, size_t n)
{
char *m;
m = _smiMalloc(file, line, n+1);
if (! m) {
smiPrintError(NULL, ERR_OUT_OF_MEMORY);
}
strncpy(m, s1, n);
m[n] = 0;
return m;
}
void _smiFree(char *file, int line, void *ptr)
{
if (ptr) {
_free_leap(file, line, ptr);
}
}
#else
void *smiMalloc(size_t size)
{
char *m = calloc(1, size);
if (! m) {
smiPrintError(NULL, ERR_OUT_OF_MEMORY);
}
return m;
}
void *smiRealloc(void *ptr, size_t size)
{
char *m = realloc(ptr, size);
if (! m) {
smiPrintError(NULL, ERR_OUT_OF_MEMORY);
}
return m;
}
char *smiStrdup(const char *s1)
{
if (s1) {
char *m = strdup(s1);
if (! m) {
smiPrintError(NULL, ERR_OUT_OF_MEMORY);
}
return m;
} else {
return NULL;
}
}
char *smiStrndup(const char *s1, size_t n)
{
char *m;
m = smiMalloc(n+1);
if (! m) {
smiPrintError(NULL, ERR_OUT_OF_MEMORY);
}
strncpy(m, s1, n);
m[n] = 0;
return m;
}
void smiFree(void *ptr)
{
if (ptr) {
free(ptr);
}
}
#endif
int smiIsPath(const char *s)
{
return (strchr(s, '.') || strchr(s, DIR_SEPARATOR));
}
#ifndef HAVE_TIMEGM
time_t timegm(struct tm *tm)
{
char *tz;
static char *s = NULL;
char *tofree = NULL;
time_t t;
/* ensure to call mktime() for UTC */
tz = getenv("TZ");
if (tz) {
tofree = s;
smiAsprintf(&s, "TZ=%s", tz);
}
putenv("TZ=NULL");
t = mktime(tm);
if (tz) {
putenv(s);
} else {
putenv("TZ=");
}
if (tofree) smiFree(tofree);
return t;
}
#endif
int smiTypeDerivedFrom(Type *typePtr, Type *parentTypePtr)
{
Type *t;
if ((!typePtr) || (!parentTypePtr)) {
return 0;
}
for (t = typePtr; t != NULL; t = t->parentPtr) {
if (parentTypePtr == t) {
return 1;
}
}
return 0;
}
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