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#include <errno.h>
#include <getopt.h>
#include <stdio.h>
#include <string.h>
#include <sys/mount.h>
#include <unistd.h>
/* Do NOT use this unironically for now, this only supports ext4, and
* you cannot specify another filesystem unless you change the source
* code. */
/* Update: now this supports filetype with -t flag. But I still don't
* recommend it to mounting something that it's not extx
*/
int
main(int argc, char *argv[])
{
int c = getopt(argc, argv, "t:");
if(argc < 2) {
printf("usage: mount source destination\n");
return 1;
}
if(getuid() != 0) {
fprintf(stderr, "mount: must be root\n");
return 1;
}
char filesystem[10] = "ext4";
int source = 1;
int destination = 2;
if(c == 't') {
strcpy(filesystem, optarg);
source++;
destination++;
}
int fd = mount(argv[source], argv[destination], filesystem, 0, NULL);
if(fd == -1) {
fprintf(stderr, "mount: %s\n", strerror(errno));
return 1;
}
return 0;
}
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