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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2020, Magnus Edenhill
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR 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.
*/
#ifndef _HELPERS_H_
#define _HELPERS_H_
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
/**
* Fuzz program helpers
*/
static __attribute__((unused)) uint8_t *read_file(const char *path,
size_t *sizep) {
int fd;
uint8_t *buf;
struct stat st;
if ((fd = open(path, O_RDONLY)) == -1) {
fprintf(stderr, "Failed to open %s: %s\n", path,
strerror(errno));
exit(2);
return NULL; /* NOTREACHED */
}
if (fstat(fd, &st) == -1) {
fprintf(stderr, "Failed to stat %s: %s\n", path,
strerror(errno));
close(fd);
exit(2);
return NULL; /* NOTREACHED */
}
buf = malloc(st.st_size + 1);
if (!buf) {
fprintf(stderr, "Failed to malloc %d bytes for %s\n",
(int)st.st_size, path);
close(fd);
exit(2);
return NULL; /* NOTREACHED */
}
buf[st.st_size] = '\0';
*sizep = read(fd, buf, st.st_size);
if (*sizep != st.st_size) {
fprintf(stderr, "Could only read %d/%d bytes from %s\n",
(int)*sizep, (int)st.st_size, path);
free(buf);
close(fd);
exit(2);
return NULL; /* NOTREACHED */
}
return buf;
}
#endif /* _HELPERS_H_ */
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