implemented strcasestr for dmenu (I call it cistrstr) for portability issues (cygwin...

diff --git a/dmenu.c b/dmenu.c
index b28a548..3256f9c 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -58,6 +58,7 @@ void readstdin(void);
 void run(void);
 void setup(Bool bottom);
 int strcaseido(const char *text, const char *pattern);
+char *cistrstr(const char *s, const char *sub);
 unsigned int textnw(const char *text, unsigned int len);
 unsigned int textw(const char *text);
 
@@ -511,7 +512,7 @@ match(char *pattern) {
                if(!i->matched && !strncasecmp(pattern, i->text, plen))
                        j = appenditem(i, j);
        for(i = allitems; i; i = i->next)
-               if(!i->matched && strcasestr(i->text, pattern))
+               if(!i->matched && cistrstr(i->text, pattern))
                        j = appenditem(i, j);
        if(idomatch)
                for(i = allitems; i; i = i->next)
@@ -629,6 +630,29 @@ strcaseido(const char *text, const char *pattern) {
        return !*pattern;
 }                                  
 
+char *
+cistrstr(const char *s, const char *sub) {
+       int c, csub;
+       unsigned int len;
+
+       if(!sub)
+               return (char *)s;
+       if((c = *sub++) != 0) {
+               c = tolower(c);
+               len = strlen(sub);
+               do {
+                       do {
+                               if((csub = *s++) == 0)
+                                       return (NULL);
+                       }
+                       while(tolower(csub) != c);
+               }
+               while(strncasecmp(s, sub, len) != 0);
+               s--;
+       }
+       return (char *)s;
+}
+
 unsigned int
 textnw(const char *text, unsigned int len) {
        XRectangle r;