diff options
Diffstat (limited to 'misc/dirname.c')
| -rw-r--r-- | misc/dirname.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/misc/dirname.c b/misc/dirname.c index 26c5a8b1ee..8be25e51b8 100644 --- a/misc/dirname.c +++ b/misc/dirname.c @@ -1,5 +1,5 @@ /* dirname - return directory part of PATH. - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -31,17 +31,20 @@ dirname (char *path) /* Find last '/'. */ last_slash = path != NULL ? strrchr (path, '/') : NULL; - if (last_slash == path) - /* The last slash is the first character in the string. We have to - return "/". */ - ++last_slash; - else if (last_slash != NULL && last_slash[1] == '\0') + if (last_slash != NULL && last_slash != path && last_slash[1] == '\0') /* The '/' is the last character, we have to look further. */ - last_slash = memchr (path, last_slash - path, '/'); + last_slash = __memrchr (path, '/', last_slash - path); if (last_slash != NULL) - /* Terminate the path. */ - last_slash[0] = '\0'; + { + /* Terminate the path. */ + if (last_slash == path) + /* The last slash is the first character in the string. We have to + return "/". */ + ++last_slash; + + last_slash[0] = '\0'; + } else /* This assignment is ill-designed but the XPG specs require to return a string containing "." in any case no directory part is |