[PATCH v4 07/12] wildmatch: remove static variable force_lower_case

[Nguyễn Thái Ngọc Duy]

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

Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 test-wildmatch.c |  4 ++--
 wildmatch.c      | 21 +++++----------------
 wildmatch.h      |  3 +--
 3 files changed, 8 insertions(+), 20 deletions(-)

diff --git a/test-wildmatch.c b/test-wildmatch.c
index 596029c..d716852 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]);
+               return wildmatch(argv[3], argv[2], 0);
        else if (!strcmp(argv[1], "iwildmatch"))
-               return iwildmatch(argv[3], argv[2]);
+               return wildmatch(argv[3], argv[2], FNM_CASEFOLD);
        else if (!strcmp(argv[1], "fnmatch"))
                return fnmatch(argv[3], argv[2], FNM_PATHNAME);
        else
diff --git a/wildmatch.c b/wildmatch.c
index 7c180e3..d18d721 100644
--- a/wildmatch.c
+++ b/wildmatch.c
@@ -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)) != NOMATCH) {
+               if ((matched = dowild(p, text, force_lower_case)) != NOMATCH) {
                    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);
-}
-
-/* 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);
-    force_lower_case = 0;
-    return ret;
+    return dowild((const uchar*)pattern, (const uchar*)text,
+                 flags & FNM_CASEFOLD ? 1 : 0);
 }
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);
-- 
1.7.12.1.406.g6ab07c4

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