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Major coreutils update.

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This commit is contained in:
Manuel Novoa III
2003-03-19 09:13:01 +00:00
parent e01f9662a5
commit cad5364599
295 changed files with 6944 additions and 5570 deletions
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60
libbb/dirname.c
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@ -1,8 +1,8 @@
/* vi: set sw=4 ts=4: */
/*
* Mini dirname function.
* dirname implementation for busybox (for libc's missing one)
*
* Copyright (C) 2001 Matt Kraai.
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* 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
@ -17,39 +17,53 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* Note: The previous busybox implementation did not handle NULL path
* and also moved a pointer before path, which is not portable in C.
* So I replaced it with my uClibc version.
*/
#include <string.h>
#include "libbb.h"
#if defined __UCLIBC__ || __GNU_LIBRARY___ < 5
/* Return a string containing the path name of the parent
* directory of PATH. */
#if __GNU_LIBRARY__ < 5
extern
char *dirname(char *path)
{
char *s;
static const char null_or_empty_or_noslash[] = ".";
register char *s;
register char *last;
char *first;
/* Go to the end of the string. */
s = path + strlen(path) - 1;
last = s = path;
/* Strip off trailing /s (unless it is also the leading /). */
while (path < s && s[0] == '/')
s--;
if (s != NULL) {
/* Strip the last component. */
while (path <= s && s[0] != '/')
s--;
LOOP:
while (*s && (*s != '/')) ++s;
first = s;
while (*s == '/') ++s;
if (*s) {
last = first;
goto LOOP;
}
while (path < s && s[0] == '/')
s--;
if (s < path)
return ".";
s[1] = '\0';
return path;
if (last == path) {
if (*last != '/') {
goto DOT;
}
if ((*++last == '/') && (last[1] == 0)) {
++last;
}
}
*last = 0;
return path;
}
DOT:
return (char *) null_or_empty_or_noslash;
}
#endif