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/*
* atheme-services: A collection of minimalist IRC services
* memory.c: Logging routines
*
* Copyright (c) 2005-2007 Atheme Project (http://www.atheme.org)
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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 "atheme.h"
/* does malloc()'s job and dies if malloc() fails */
void *smalloc(size_t size)
{
void *buf = calloc(size, 1);
if (!buf)
raise(SIGUSR1);
return buf;
}
/* does calloc()'s job and dies if calloc() fails */
void *scalloc(size_t elsize, size_t els)
{
void *buf = calloc(elsize, els);
if (!buf)
raise(SIGUSR1);
return buf;
}
/* does realloc()'s job and dies if realloc() fails */
void *srealloc(void *oldptr, size_t newsize)
{
void *buf = realloc(oldptr, newsize);
if (!buf)
raise(SIGUSR1);
return buf;
}
/* does strdup()'s job, only with the above memory functions */
char *sstrdup(const char *s)
{
char *t;
if (s == NULL)
return NULL;
t = smalloc(strlen(s) + 1);
strcpy(t, s);
return t;
}
/* does strndup()'s job, only with the above memory functions */
char *sstrndup(const char *s, int len)
{
char *t;
if (s == NULL)
return NULL;
t = smalloc(len + 1);
strlcpy(t, s, len + 1);
return t;
}
/* stringbuffer operations */
void string_append(string_t *this, const char *src, size_t n)
{
if (this->size - this->pos <= n)
{
int size = MAX(this->size * 2, this->pos + n + 8);
char *new = (char *)realloc(this->str, size);
this->size = size;
this->str = new;
}
memcpy(this->str + this->pos, src, n);
this->pos += n;
this->str[this->pos] = 0;
}
void string_append_char(string_t *this, const char c)
{
if (this->size - this->pos <= 1)
{
int size = MAX(this->size * 2, this->pos + 9);
char *new = (char *)realloc(this->str, size);
this->size = size;
this->str = new;
}
this->str[this->pos++] = c;
this->str[this->pos] = 0;
}
void string_reset(string_t *this)
{
this->str[0] = this->pos = 0;
}
void string_delete(string_t *this)
{
free (this->str);
free (this);
}
string_t *new_string(size_t size)
{
string_t *this = (string_t *)smalloc(sizeof(string_t));
this->size = size;
this->pos = 0;
this->str = (char *)smalloc(size);
/* Function pointers */
this->append = &string_append;
this->append_char = &string_append_char;
this->reset = &string_reset;
this->delete = &string_delete;
return this;
}
/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
* vim:ts=8
* vim:sw=8
* vim:noexpandtab
*/
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