diff options
author | Linus Torvalds <torvalds@osdl.org> | 2005-09-19 05:30:50 +0400 |
---|---|---|
committer | Junio C Hamano <junkio@cox.net> | 2005-09-19 19:49:39 +0400 |
commit | ef34af24dc457f7a3ccfd8047e3d21e07f3f55e4 (patch) | |
tree | ca37686692dbfcd93e17fa19f423ec1be8505e21 | |
parent | 727132834e6be48a93c1bd6458a29d474ce7d5d5 (diff) |
[PATCH] strcasestr compatibility replacement
Some C libraries lack strcasestr(); add a stupid replacement
to help folks with such.
[jc: original Linus posting, updated with his "also need <ctype.h>",
updated further with a fix from Joachim B Haga <cjhaga@fys.uio.no>"]
Signed-off-by: Junio C Hamano <junkio@cox.net>
-rw-r--r-- | Makefile | 6 | ||||
-rw-r--r-- | compat/strcasestr.c | 23 |
2 files changed, 29 insertions, 0 deletions
@@ -9,6 +9,8 @@ # Define NO_CURL if you do not have curl installed. git-http-pull is not # built, and you cannot use http:// and https:// transports. # +# Define NO_STRCASESTR if you don't have strcasestr. +# # Define PPC_SHA1 environment variable when running make to make use of # a bundled SHA1 routine optimized for PowerPC. # @@ -203,6 +205,10 @@ ifdef NEEDS_NSL LIBS += -lnsl SIMPLE_LIB += -lnsl endif +ifdef NO_STRCASESTR + DEFINES += -Dstrcasestr=gitstrcasestr + LIB_OBJS += compat/strcasestr.o +endif DEFINES += '-DSHA1_HEADER=$(SHA1_HEADER)' diff --git a/compat/strcasestr.c b/compat/strcasestr.c new file mode 100644 index 0000000000..b96414d36b --- /dev/null +++ b/compat/strcasestr.c @@ -0,0 +1,23 @@ +#include <string.h> +#include <ctype.h> + +char *gitstrcasestr(const char *haystack, const char *needle) +{ + int nlen = strlen(needle); + int hlen = strlen(haystack) - nlen + 1; + int i; + + for (i = 0; i < hlen; i++) { + int j; + for (j = 0; j < nlen; j++) { + unsigned char c1 = haystack[i+j]; + unsigned char c2 = needle[j]; + if (toupper(c1) != toupper(c2)) + goto next; + } + return (char *) haystack + i; + next: + ; + } + return NULL; +} |