mirror of
https://codeberg.org/redict/redict.git
synced 2025-01-22 08:08:53 -05:00
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
// Copyright (C) 2016 Salvatore Sanfilippo.
|
|
// SPDX-FileCopyrightText: 2024 Redict Contributors
|
|
// SPDX-FileCopyrightText: 2024 Salvatore Sanfilippo <antirez at gmail dot com>
|
|
//
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
// SPDX-License-Identifier: LGPL-3.0-only
|
|
|
|
#include <stdio.h>
|
|
#include <fcntl.h>
|
|
#include <sys/stat.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <time.h>
|
|
|
|
int main(int argc, char **argv) {
|
|
struct stat stat;
|
|
int fd, cycles;
|
|
|
|
if (argc != 3) {
|
|
fprintf(stderr,"Usage: <filename> <cycles>\n");
|
|
exit(1);
|
|
}
|
|
|
|
srand(time(NULL));
|
|
char *filename = argv[1];
|
|
cycles = atoi(argv[2]);
|
|
fd = open(filename,O_RDWR);
|
|
if (fd == -1) {
|
|
perror("open");
|
|
exit(1);
|
|
}
|
|
fstat(fd,&stat);
|
|
|
|
while(cycles--) {
|
|
unsigned char buf[32];
|
|
unsigned long offset = rand()%stat.st_size;
|
|
int writelen = 1+rand()%31;
|
|
int j;
|
|
|
|
for (j = 0; j < writelen; j++) buf[j] = (char)rand();
|
|
lseek(fd,offset,SEEK_SET);
|
|
printf("Writing %d bytes at offset %lu\n", writelen, offset);
|
|
write(fd,buf,writelen);
|
|
}
|
|
return 0;
|
|
}
|