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author | Jim Meyering <jim@meyering.net> | 1998-02-19 21:31:06 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1998-02-19 21:31:06 +0000 |
commit | 61ef81a837526b8daffc4e9c235df0a6766f690e (patch) | |
tree | 9690649b1763ed6c99ed0b6f6f3cab97ac1cf6f1 /lib/dirname.c | |
parent | dcb8db3c82afb56017da2c7083ec931a461c6b0f (diff) | |
download | coreutils-61ef81a837526b8daffc4e9c235df0a6766f690e.tar.xz |
(dirname): Include ctype.h.
[IN_CTYPE_DOMAIN]: Define.
[ISALPHA]: Define.
[MSDOS]: Add support for DOS-style file names with drive letters.
Based on a patch from Eli Zaretskii.
Diffstat (limited to 'lib/dirname.c')
-rw-r--r-- | lib/dirname.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/lib/dirname.c b/lib/dirname.c index 3481131b0..237dd4b75 100644 --- a/lib/dirname.c +++ b/lib/dirname.c @@ -1,5 +1,5 @@ /* dirname.c -- return all but the last element in a path - Copyright (C) 1990 Free Software Foundation, Inc. + Copyright (C) 1990, 1998 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -16,22 +16,31 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H -#include <config.h> +# include <config.h> #endif #ifdef STDC_HEADERS -#include <stdlib.h> +# include <stdlib.h> #else char *malloc (); #endif -#if defined(STDC_HEADERS) || defined(HAVE_STRING_H) -#include <string.h> +#if defined STDC_HEADERS || defined HAVE_STRING_H +# include <string.h> #else -#include <strings.h> -#ifndef strrchr -#define strrchr rindex +# include <strings.h> +# ifndef strrchr +# define strrchr rindex +# endif #endif + +#include <ctype.h> + +#if defined STDC_HEADERS || (!defined isascii && !defined HAVE_ISASCII) +# define IN_CTYPE_DOMAIN(c) 1 +#else +# define IN_CTYPE_DOMAIN(c) isascii(c) #endif +#define ISALPHA(Ch) (IN_CTYPE_DOMAIN (Ch) && isalpha (Ch)) /* Return the leading directories part of PATH, allocated with malloc. If out of memory, return 0. @@ -55,6 +64,13 @@ dirname (path) } else { + char *lim = path; + +#ifdef MSDOS + /* If canonicalized "d:/path", leave alone the root case "d:/". */ + lim = (ISALPHA (path[0]) && path[1] == ':') ? path + 2 : path; +#endif + /* Remove any trailing slashes from the result. */ while (slash > path && *slash == '/') --slash; |