/*
 * Copyright (c) 2004 Teodor Sigaev <teodor@sigaev.ru>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *        notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *        notice, this list of conditions and the following disclaimer in the
 *        documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the author nor the names of any co-contributors
 *        may be used to endorse or promote products derived from this software
 *        without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#include "tlog.h"
#include "tmalloc.h"

void *
tmalloc(size_t size) {
	void *ptr = malloc(size);
	if (!ptr)
		tlog(TL_CRIT|TL_EXIT, "Can't allocate %d bytes", size);
	return ptr;
}

void *
t0malloc(size_t size) {
	void *ptr = tmalloc(size);
	memset(ptr,0,size);
	return ptr;
}

void *
trealloc(void * ptr, size_t size) {
	if (ptr) {
		ptr = realloc(ptr,size);
		if (!ptr)
			tlog(TL_CRIT|TL_EXIT, "Can't reallocate to %d bytes", size);
	} else
		ptr = tmalloc(size);	
	return ptr;
}

void
tfree(void * ptr) {
	free(ptr);
}

char * 
tstrdup(char * src) {
	char * dest = strdup(src);
	if (!dest) 
		tlog(TL_CRIT|TL_EXIT, "Can't strdup %d bytes", strlen(src)+1);
	return dest;
}

char *
tnstrdup(char *src, int len) {
	char *dest=(char*)tmalloc(len+1);
	memcpy(dest, src, len);
	dest[len]='\0';
	return dest;
}

char *
strlower(char * src) {
	char *ptr = src;
	if (!src) return src;
	while(*ptr) {
		*ptr = tolower(*(unsigned char *) ptr);
		ptr++; 
	}
	return src;
}

char *
strupper(char * src) {
	char *ptr = src;
	if (!src) return src;
	while(*ptr) {
		*ptr = toupper(*(unsigned char *) ptr);
		ptr++; 
	}
	return src;
}

int
clrspace(char *buf) {
        char *ptr=buf, *ptrc=buf;
        while(*ptr) {
                if (!isspace(*ptr)) {
                        *ptrc=*ptr;
                        ptrc++;
                }
                ptr++;
        }
        *ptrc='\0';
        return ptrc - buf;
}