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author | jkh <jkh@FreeBSD.org> | 1993-06-18 05:46:17 +0000 |
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committer | jkh <jkh@FreeBSD.org> | 1993-06-18 05:46:17 +0000 |
commit | 77629e160d558a58cca8b90f395ec5eba88b6bf0 (patch) | |
tree | 3595c61e4f85a1d3c1fb6ea6c1ede9ea8397ced7 /gnu/usr.bin/cvs/lib/strippath.c | |
download | FreeBSD-src-77629e160d558a58cca8b90f395ec5eba88b6bf0.zip FreeBSD-src-77629e160d558a58cca8b90f395ec5eba88b6bf0.tar.gz |
Updated CVS
Diffstat (limited to 'gnu/usr.bin/cvs/lib/strippath.c')
-rw-r--r-- | gnu/usr.bin/cvs/lib/strippath.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/gnu/usr.bin/cvs/lib/strippath.c b/gnu/usr.bin/cvs/lib/strippath.c new file mode 100644 index 0000000..3d606a8 --- /dev/null +++ b/gnu/usr.bin/cvs/lib/strippath.c @@ -0,0 +1,74 @@ +/* strippath.c -- remove unnecessary components from a path specifier + Copyright (C) 1992 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 + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#if defined(STDC_HEADERS) || defined(USG) +#include <string.h> +#ifndef index +#define index strchr +#endif +#else +#include <strings.h> +#endif + +#include <stdio.h> + +#if __STDC__ +static void remove_component(char *beginc, char *endc); +void strip_trailing_slashes(char *path); +#else +static void remove_component(); +void strip_trailing_slashes(); +#endif /* __STDC__ */ + +/* Remove unnecessary components from PATH. */ + +void +strip_path (path) + char *path; +{ + int stripped = 0; + char *cp, *slash; + + for (cp = path; (slash = index(cp, '/')) != NULL; cp = slash) + { + *slash = '\0'; + if ((!*cp && (cp != path || stripped)) || + strcmp(cp, ".") == 0 || strcmp(cp, "/") == 0) + { + stripped = 1; + remove_component(cp, slash); + slash = cp; + } + else + { + *slash++ = '/'; + } + } + strip_trailing_slashes(path); +} + +/* Remove the component delimited by BEGINC and ENDC from the path */ + +static void +remove_component (beginc, endc) + char *beginc; + char *endc; +{ + for (endc++; *endc; endc++) + *beginc++ = *endc; + *beginc = '\0'; +} |