diff options
| -rw-r--r-- | lib/libc/stdlib/realpath.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libc/stdlib/realpath.c b/lib/libc/stdlib/realpath.c index a6195c1dcbd..061f1a7ef12 100644 --- a/lib/libc/stdlib/realpath.c +++ b/lib/libc/stdlib/realpath.c @@ -35,7 +35,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char *rcsid = "$OpenBSD: realpath.c,v 1.5 2001/06/27 00:58:56 lebel Exp $"; +static char *rcsid = "$OpenBSD: realpath.c,v 1.6 2002/01/12 16:24:35 millert Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/param.h> @@ -70,6 +70,10 @@ realpath(path, resolved) return (NULL); } + /* Convert "." -> "" to optimize away a needless lstat() and chdir() */ + if (path[0] == '.' && path[1] == '\0') + path = ""; + /* * Find the dirname and basename from the path to be resolved. * Change directory to the dirname component. @@ -98,7 +102,7 @@ loop: p = resolved; /* Deal with the last component. */ - if (lstat(p, &sb) == 0) { + if (*p != '\0' && lstat(p, &sb) == 0) { if (S_ISLNK(sb.st_mode)) { if (++symlinks > MAXSYMLINKS) { errno = ELOOP; |