diff options
Diffstat (limited to 'lib/link.c')
| -rw-r--r-- | lib/link.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/link.c b/lib/link.c index 1b0fe0a0e9..b58eb25bc3 100644 --- a/lib/link.c +++ b/lib/link.c @@ -155,9 +155,20 @@ link (const char *file1, const char *file2) int rpl_link (char const *file1, char const *file2) { + size_t len1; + size_t len2; + struct stat st; + + /* Don't allow IRIX to dereference dangling file2 symlink. */ + if (!lstat (file2, &st)) + { + errno = EEXIST; + return -1; + } + /* Reject trailing slashes on non-directories. */ - size_t len1 = strlen (file1); - size_t len2 = strlen (file2); + len1 = strlen (file1); + len2 = strlen (file2); if ((len1 && file1[len1 - 1] == '/') || (len2 && file2[len2 - 1] == '/')) { @@ -165,7 +176,6 @@ rpl_link (char const *file1, char const *file2) If stat() fails, then link() should fail for the same reason (although on Solaris 9, link("file/","oops") mistakenly succeeds); if stat() succeeds, require a directory. */ - struct stat st; if (stat (file1, &st)) return -1; if (!S_ISDIR (st.st_mode)) @@ -178,7 +188,6 @@ rpl_link (char const *file1, char const *file2) { /* Fix Cygwin 1.5.x bug where link("a","b/.") creates file "b". */ char *dir = strdup (file2); - struct stat st; char *p; if (!dir) return -1; |