diff options
Diffstat (limited to 'libbb/get_last_path_component.c')
-rw-r--r-- | libbb/get_last_path_component.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libbb/get_last_path_component.c b/libbb/get_last_path_component.c new file mode 100644 index 0000000..7c99116 --- /dev/null +++ b/libbb/get_last_path_component.c @@ -0,0 +1,42 @@ +/* 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 tarball for details. + */ + +#include "libbb.h" +/* + * "/" -> "/" + * "abc" -> "abc" + * "abc/def" -> "def" + * "abc/def/" -> "" + */ +char* FAST_FUNC bb_get_last_path_component_nostrip(const char *path) +{ + char *slash = strrchr(path, '/'); + + if (!slash || (slash == path && !slash[1])) + return (char*)path; + + 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 (slash) + while (*slash == '/' && slash != path) + *slash-- = '\0'; + + return bb_get_last_path_component_nostrip(path); +} |