diff options
1 files changed, 13 insertions, 7 deletions
| -rw-r--r-- | chwrite/chwrite.c | 20 |
diff --git a/chwrite/chwrite.c b/chwrite/chwrite.c index 395cf91..8aecf4b 100644 --- a/chwrite/chwrite.c +++ b/chwrite/chwrite.c @@ -53,12 +53,16 @@ main(int argc, char *argv[]) { for (i = 2; i < argc; ++i) { f = open(argv[i], 0); - if (f == -1) - return errno; + if (f == -1) { + perror("open"); + return 3; + } result = fstat(f, &fs); - if (result == -1) - return errno; + if (result == -1) { + perror("fstat"); + return 3; + } if (operation == '+') fs.st_mode |= S_IWUSR; @@ -66,8 +70,10 @@ main(int argc, char *argv[]) { fs.st_mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH); result = fchmod(f, fs.st_mode); - if (result == -1) - return errno; + if (result == -1) { + perror("fchmod"); + return 3; + } } - return result; + return 0; } |