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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of libminidump.
Copyright 2012 Lennart Poettering
libminidump is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
libminidump is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libminidump; If not, see
<http://www.gnu.org/licenses/>.
***/
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <sys/param.h>
#include <inttypes.h>
#include "util.h"
void* memdup(const void *p, size_t l) {
void *r;
assert(p);
r = malloc(l);
if (!r)
return NULL;
memcpy(r, p, l);
return r;
}
int read_full_file(const char *path, void **_buffer, size_t *_size) {
void *buffer = NULL;
size_t size = 0, allocated = 0;
FILE *f;
int r;
assert(path);
assert(_buffer);
assert(_size);
f = fopen(path, "re");
if (!f)
return -errno;
while (!feof(f)) {
size_t k;
if (size >= allocated) {
size_t l;
void *p;
l = MAX(LINE_MAX, size * 2);
p = realloc(buffer, l);
if (!p) {
r = -ENOMEM;
goto finish;
}
buffer = p;
allocated = l;
}
k = fread((uint8_t*) buffer + size, 1, allocated - size, f);
if (k <= 0 && ferror(f)) {
r = -errno;
goto finish;
}
size += k;
}
r = 0;
*_buffer = buffer;
*_size = size;
finish:
fclose(f);
return r;
}
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