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/* vi: set sw=4 ts=4: */
/*
* bb_get_last_path_component implementation for busybox
*
* Copyright (C) 2001 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#include "libbb.h"
const char* FAST_FUNC bb_basename(const char *name)
{
#if ENABLE_PLATFORM_MINGW32
const char *cp;
for (cp = name; *cp; cp++)
if (*cp == '/' || *cp == '\\' || *cp == ':')
name = cp + 1;
#else
const char *cp = strrchr(name, '/');
if (cp)
return cp + 1;
#endif
return name;
}
#if ENABLE_PLATFORM_MINGW32
char *get_last_slash(const char *path)
{
const char *start = path + root_len(path);
char *slash = strrchr(start, '/');
char *bslash = strrchr(start, '\\');
if (slash && bslash)
slash = MAX(slash, bslash);
else if (!slash)
slash = bslash;
return slash;
}
#endif
/*
* "/" -> "/"
* "abc" -> "abc"
* "abc/def" -> "def"
* "abc/def/" -> ""
*/
char* FAST_FUNC bb_get_last_path_component_nostrip(const char *path)
{
#if ENABLE_PLATFORM_MINGW32
const char *start = path + root_len(path);
char *slash = get_last_slash(path);
if (!slash && has_dos_drive_prefix(path) && path[2] != '\0')
return (char *)path + 2;
if (!slash || (slash == start && !slash[1]))
return (char*)path;
#else
char *slash = strrchr(path, '/');
if (!slash || (slash == path && !slash[1]))
return (char*)path;
#endif
return slash + 1;
}
/*
* "/" -> "/"
* "abc" -> "abc"
* "abc/def" -> "def"
* "abc/def/" -> "def" !!
*/
char* FAST_FUNC bb_get_last_path_component_strip(char *path)
{
char *slash = last_char_is(path, '/');
#if ENABLE_PLATFORM_MINGW32
const char *start = has_dos_drive_prefix(path) ? path+2 : path;
if (!slash)
slash = last_char_is(path, '\\');
if (slash)
while ((*slash == '/' || *slash == '\\') && slash != start)
*slash-- = '\0';
#else
if (slash)
while (*slash == '/' && slash != path)
*slash-- = '\0';
#endif
return bb_get_last_path_component_nostrip(path);
}
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