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fd450adfe7
* libc/unix/basename.c: Add !_NO_BASENAME flag check so code can be
ignored if desired by a platform.
* libc/unix/dirname.c: Ditto except replace BASENAME with file name.
* libc/unix/getcwd.c: Ditto.
* libc/unix/getlogin.c: Ditto.
* libc/unix/getpass.c: Ditto.
* libc/unix/getpwent.c: Ditto.
* libc/unix/getut.c: Ditto.
* libc/unix/pread.c: Ditto.
* libc/unix/pwrite.c: Ditto.
* libc/unix/sigset.c: Ditto.
33 lines
576 B
C
33 lines
576 B
C
#ifndef _NO_DIRNAME
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/* Copyright 2005 Shaun Jackman
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* Permission to use, copy, modify, and distribute this software
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* is freely granted, provided that this notice is preserved.
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*/
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#include <libgen.h>
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#include <string.h>
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char *
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_DEFUN (dirname, (path),
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char *path)
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{
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char *p;
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if( path == NULL || *path == '\0' )
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return ".";
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p = path + strlen(path) - 1;
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while( *p == '/' ) {
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if( p == path )
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return path;
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*p-- = '\0';
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}
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while( p >= path && *p != '/' )
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p--;
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return
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p < path ? "." :
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p == path ? "/" :
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(*p = '\0', path);
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}
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#endif /* !_NO_DIRNAME */
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