[PATCH 4/8] wildmatch: remove static variable force_lower_case

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

One place less to worry about thread safety. Also combine wildmatch
and iwildmatch into one.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 test-wildmatch.c |  4 ++--
 wildmatch.c      | 23 ++++++-----------------
 wildmatch.h      |  3 +--
 3 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/test-wildmatch.c b/test-wildmatch.c
index 08962d5..5c18cf8 100644
--- a/test-wildmatch.c
+++ b/test-wildmatch.c
@@ -4,9 +4,9 @@
 int main(int argc, char **argv)
 {
 	if (!strcmp(argv[1], "wildmatch"))
-		return wildmatch(argv[3], argv[2]) ? 0 : 1;
+		return wildmatch(argv[3], argv[2], 0) ? 0 : 1;
 	else if (!strcmp(argv[1], "iwildmatch"))
-		return iwildmatch(argv[3], argv[2]) ? 0 : 1;
+		return wildmatch(argv[3], argv[2], FNM_CASEFOLD) ? 0 : 1;
 	else if (!strcmp(argv[1], "fnmatch"))
 		return fnmatch(argv[3], argv[2], FNM_PATHNAME);
 	else
diff --git a/wildmatch.c b/wildmatch.c
index 7b64a6b..2382873 100644
--- a/wildmatch.c
+++ b/wildmatch.c
@@ -11,8 +11,8 @@
 
 #include <stddef.h>
 #include <ctype.h>
-#include <string.h>
 
+#include "cache.h"
 #include "wildmatch.h"
 
 typedef unsigned char uchar;
@@ -59,11 +59,9 @@ typedef unsigned char uchar;
 #define ISUPPER(c) (ISASCII(c) && isupper(c))
 #define ISXDIGIT(c) (ISASCII(c) && isxdigit(c))
 
-static int force_lower_case = 0;
-
 /* Match pattern "p" against the a virtually-joined string consisting
  * of "text" and any strings in array "a". */
-static int dowild(const uchar *p, const uchar *text)
+static int dowild(const uchar *p, const uchar *text, int force_lower_case)
 {
     uchar p_ch;
 
@@ -107,7 +105,7 @@ static int dowild(const uchar *p, const uchar *text)
 	    while (1) {
 		if (t_ch == '\0')
 		    break;
-		if ((matched = dowild(p, text)) != FALSE) {
+		if ((matched = dowild(p, text, force_lower_case)) != FALSE) {
 		    if (!special || matched != ABORT_TO_STARSTAR)
 			return matched;
 		} else if (!special && t_ch == '/')
@@ -215,17 +213,8 @@ static int dowild(const uchar *p, const uchar *text)
 }
 
 /* Match the "pattern" against the "text" string. */
-int wildmatch(const char *pattern, const char *text)
-{
-    return dowild((const uchar*)pattern, (const uchar*)text) == TRUE;
-}
-
-/* Match the "pattern" against the forced-to-lower-case "text" string. */
-int iwildmatch(const char *pattern, const char *text)
+int wildmatch(const char *pattern, const char *text, int flags)
 {
-    int ret;
-    force_lower_case = 1;
-    ret = dowild((const uchar*)pattern, (const uchar*)text) == TRUE;
-    force_lower_case = 0;
-    return ret;
+    return dowild((const uchar*)pattern, (const uchar*)text,
+		  flags & FNM_CASEFOLD ? 1 : 0) == TRUE;
 }
diff --git a/wildmatch.h b/wildmatch.h
index 562faa3..e974f9a 100644
--- a/wildmatch.h
+++ b/wildmatch.h
@@ -1,4 +1,3 @@
 /* wildmatch.h */
 
-int wildmatch(const char *pattern, const char *text);
-int iwildmatch(const char *pattern, const char *text);
+int wildmatch(const char *pattern, const char *text, int flags);
-- 
1.8.0.rc0.29.g1fdd78f