diff options
| -rw-r--r-- | include/libbb.h | 1 | ||||
| -rw-r--r-- | libbb/Kbuild | 1 | ||||
| -rw-r--r-- | libbb/strrstr.c | 20 |
3 files changed, 22 insertions, 0 deletions
diff --git a/include/libbb.h b/include/libbb.h index 0d6e3af..947f28d 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -244,6 +244,7 @@ extern void chomp(char *s); extern void trim(char *s); extern char *skip_whitespace(const char *); extern char *skip_non_whitespace(const char *); +extern char *strrstr(const char *haystack, const char *needle); //TODO: supply a pointer to char[11] buffer (avoid statics)? extern const char *bb_mode_string(mode_t mode); diff --git a/libbb/Kbuild b/libbb/Kbuild index 0c7e254..201d795 100644 --- a/libbb/Kbuild +++ b/libbb/Kbuild @@ -87,6 +87,7 @@ lib-y += simplify_path.o lib-y += skip_whitespace.o lib-y += speed_table.o lib-y += str_tolower.o +lib-y += strrstr.o lib-y += time.o lib-y += trim.o lib-y += u_signal_names.o diff --git a/libbb/strrstr.c b/libbb/strrstr.c new file mode 100644 index 0000000..b314264 --- /dev/null +++ b/libbb/strrstr.c @@ -0,0 +1,20 @@ +/* vi: set sw=4 ts=4: */ +/* + * Utility routines. + * + * Copyright (C) 2008 Bernhard Fischer + * + * Licensed under GPLv2 or later, see file License in this tarball for details. + */ + +#include "libbb.h" + +/* reverse strstr() */ +char* strrstr(const char *haystack, const char *needle) +{ + char *tmp = strrchr(haystack, *needle); + if (tmp == NULL || strcmp(tmp, needle) != 0) + return NULL; + return tmp; +} + |