pang-o-lin/tests/fragment-file.c
Sean Cross c4c5f706b0 fat12: beginnings of open/close on partition
Signed-off-by: Sean Cross <sean@xobs.io>
2019-06-09 20:32:53 +08:00

48 lines
1.0 KiB
C

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "fat12.h"
static int make_image(const char *name, uint32_t size) {
int fd = open(name, O_WRONLY | O_CREAT, 0777);
if (-1 == fd) {
fprintf(stderr, "couldn't open %s: %s\n", name, strerror(errno));
return 1;
}
if (-1 == fat12_mkfs(fd, size)) {
fprintf(stderr, "couldn't make fat12 on %s: %s\n", name, strerror(errno));
close(fd);
return 1;
}
close(fd);
return 0;
}
int main(int argc, char **argv) {
const char *img_name = "build/fat12-1800k.img";
int ret = 0;
int fd;
struct fat12_partition *part = fat12_alloc();
ret = make_image(img_name, 1800 * 1024);
if (ret == -1) {
return 1;
}
if (-1 == fat12_open(part, img_name)) {
fprintf(stderr, "couldn't open fat12 on %s: %s\n", img_name, strerror(errno));
return 1;
}
fat12_close(part);
fat12_free(&part);
return 0;
}