ubase

suckless linux base utils
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commit 23678b96cd3e6e66a790eee6d4ec0594197ba33c
parent c88ba3750ec6e139034e468d5a56166268188981
Author: sin <sin@2f30.org>
Date:   Thu Jun 26 16:17:57 +0100

Check FIFREEZE/FITHAW ioctl for failure

Diffstat:
fsfreeze.c | 3++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fsfreeze.c b/fsfreeze.c @@ -45,7 +45,8 @@ main(int argc, char *argv[]) fd = open(argv[0], O_RDONLY); if (fd < 0) eprintf("open: %s:", argv[0]); - ioctl(fd, fflag == 1 ? FIFREEZE : FITHAW, &p); + if (ioctl(fd, fflag == 1 ? FIFREEZE : FITHAW, &p) < 0) + eprintf("%s %s:", fflag == 1 ? "FIFREEZE" : "FITHAW", argv[0]); close(fd); return EXIT_SUCCESS; }