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ln: exit non-zero when errors accured

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This commit is contained in:
Eivind Uggedal 2015-05-08 08:16:58 +00:00 committed by sin
parent 8f4b2e8689
commit f5f43dbd5b
1 changed files with 6 additions and 2 deletions
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8
ln.c
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@ -19,7 +19,8 @@ int
main(int argc, char *argv[])
{
char *fname, *to;
int sflag = 0, fflag = 0, hasto = 0, dirfd = AT_FDCWD, flags = AT_SYMLINK_FOLLOW;
int sflag = 0, fflag = 0, hasto = 0, dirfd = AT_FDCWD, ret = 0,
flags = AT_SYMLINK_FOLLOW;
struct stat st, tost;
ARGBEGIN {
@ -64,12 +65,14 @@ main(int argc, char *argv[])
if (!sflag) {
if (stat(*argv, &st) < 0) {
weprintf("stat %s:", *argv);
ret = 1;
continue;
} else if (fstatat(dirfd, to, &tost, AT_SYMLINK_NOFOLLOW) < 0) {
if (errno != ENOENT)
eprintf("stat %s:", to);
} else if (st.st_dev == tost.st_dev && st.st_ino == tost.st_ino) {
weprintf("%s and %s are the same file\n", *argv, *argv);
ret = 1;
continue;
}
}
@ -78,8 +81,9 @@ main(int argc, char *argv[])
if ((!sflag ? linkat(AT_FDCWD, *argv, dirfd, to, flags)
: symlinkat(*argv, dirfd, to)) < 0) {
weprintf("%s %s <- %s:", fname, *argv, to);
ret = 1;
}
}
return 0;
return ret;
}