From: Linus Torvalds <torvalds@osdl.org>
Date: Mon, 19 Sep 2005 01:30:50 GMT
Subject: Re: What to expect after GIT 0.99.7
Message-ID: <Pine.LNX.4.58.0509181829310.9106@g5.osdl.org>
In-Reply-To: <7vpsr6ymg3.fsf_-_@assigned-by-dhcp.cox.net>



On Sun, 18 Sep 2005, Junio C Hamano wrote:
> 
> * Accept patches for more portability.
> 
>   * strcasestr() in mailinfo.  We may need compat/strcasestr.c;
>     this is bugging OpenBSD folks.

Maybe something stupid like this?

Totally untested, of course.

		Linus
---
diff-tree 9b2d397a5d03514bdf3f545e459817c48579830f (from 727132834e6be48a93c1bd6458a29d474ce7d5d5)
Author: Linus Torvalds <torvalds@g5.osdl.org>
Date:   Sun Sep 18 18:29:07 2005 -0700

Add stupid 'strcasestr()' compat routine

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

---
diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -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
--- /dev/null
+++ b/compat/strcasestr.c
@@ -0,0 +1,22 @@
+#include <string.h>
+
+char *gitstrcasestr(const char *haystack, const char *needle)
+{
+	int nlen = strlen(needle);
+	int hlen = strlen(haystack) - nlen;
+	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;
+}