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Imported Upstream version 1.4.15

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This commit is contained in:
Jan Wagner 2013-11-26 23:57:29 +01:00
parent 882cdeecca
commit 047baae1ca
386 changed files with 60019 additions and 38317 deletions
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74
gl/basename.c
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@ -1,7 +1,7 @@
/* basename.c -- return the last element in a file name
Copyright (C) 1990, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006 Free
Software Foundation, Inc.
Copyright (C) 1990, 1998-2001, 2003-2006, 2009-2010 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
@ -24,52 +24,6 @@
#include "xalloc.h"
#include "xstrndup.h"
/* Return the address of the last file name component of NAME. If
NAME has no relative file name components because it is a file
system root, return the empty string. */
char *
last_component (char const *name)
{
char const *base = name + FILE_SYSTEM_PREFIX_LEN (name);
char const *p;
bool saw_slash = false;
while (ISSLASH (*base))
base++;
for (p = base; *p; p++)
{
if (ISSLASH (*p))
saw_slash = true;
else if (saw_slash)
{
base = p;
saw_slash = false;
}
}
return (char *) base;
}
/* In general, we can't use the builtin `basename' function if available,
since it has different meanings in different environments.
In some environments the builtin `basename' modifies its argument.
Return the last file name component of NAME, allocated with
xmalloc. On systems with drive letters, a leading "./"
distinguishes relative names that would otherwise look like a drive
letter. Unlike POSIX basename(), NAME cannot be NULL,
base_name("") returns "", and the first trailing slash is not
stripped.
If lstat (NAME) would succeed, then { chdir (dir_name (NAME));
lstat (base_name (NAME)); } will access the same file. Likewise,
if the sequence { chdir (dir_name (NAME));
rename (base_name (NAME), "foo"); } succeeds, you have renamed NAME
to "foo" in the same directory NAME was in. */
char *
base_name (char const *name)
{
@ -102,27 +56,3 @@ base_name (char const *name)
/* Finally, copy the basename. */
return xstrndup (base, length);
}
/* Return the length of the basename NAME. Typically NAME is the
value returned by base_name or last_component. Act like strlen
(NAME), except omit all trailing slashes. */
size_t
base_len (char const *name)
{
size_t len;
size_t prefix_len = FILE_SYSTEM_PREFIX_LEN (name);
for (len = strlen (name); 1 < len && ISSLASH (name[len - 1]); len--)
continue;
if (DOUBLE_SLASH_IS_DISTINCT_ROOT && len == 1
&& ISSLASH (name[0]) && ISSLASH (name[1]) && ! name[2])
return 2;
if (FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE && prefix_len
&& len == prefix_len && ISSLASH (name[prefix_len]))
return prefix_len + 1;
return len;
}