nixpkgs/modules/system/boot/readonly-mountpoint.c
Shea Levy 652e2ab610 "Maintain" the tested job so I get notifications when it fails
Signed-off-by: Shea Levy <shea@shealevy.com>
2013-03-26 12:35:28 -04:00

21 lines
333 B
C

#include <sys/statvfs.h>
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char ** argv) {
struct statvfs stat;
if (argc != 2) {
fprintf(stderr, "Usage: %s PATH", argv[0]);
exit(2);
}
if (statvfs(argv[1], &stat) != 0) {
perror("statvfs");
exit(3);
}
if (stat.f_flag & ST_RDONLY)
exit(0);
else
exit(1);
}