Introduce case-insensitive version of glob(): globi()

glob() is case-insensitive on Windows already, so create a work-alike for *nix.

src/xpdev/dirwrap.c

@@ -305,7 +305,29 @@ void globfree(glob_t* glob)
 	glob->gl_pathc=0;
 }
 
-#endif /* !defined(__unix__) */
+#else /* __unix__ */
+
+// Case-insensitive version of glob()
+int globi(const char *p, int flags,
+	int (*errfunc) (const char *epath, int eerrno),
+	glob_t *g)
+{
+	char pattern[MAX_PATH * 2] = "";
+	int len = 0;
+
+	if(p != NULL) {
+		while(*p != '\0' && len < MAX_PATH) {
+			if(IS_ALPHA(*p))
+				len += sprintf(pattern + len, "[%c%c]", toupper(*p), tolower(*p));
+			else
+				pattern[len++] = *p;
+		}
+	}
+	pattern[len] = '\0';
+	return glob(pattern, flags, errfunc, g);
+}
+
+#endif
 
 /****************************************************************************/
 /* Returns number of files and/or sub-directories in directory (path)		*/

src/xpdev/dirwrap.h

@@ -50,6 +50,10 @@ extern "C" {
 	#include <sys/types.h>
 	#include <sys/stat.h>
 	#include <glob.h>		/* POSIX.2 directory pattern matching function */
+
+	// Case-insensitive glob
+	int globi(const char *pattern, int flags, int (*errfunc) (const char *epath, int eerrno), glob_t *pglob);
+
 	#define MKDIR(dir)		mkdir(dir,0777)
 
 	#if defined(__CYGWIN__)
@@ -107,6 +111,7 @@ extern "C" {
 
 	DLLEXPORT int	glob(const char *pattern, int flags, void* unused, glob_t*);
 	DLLEXPORT void	globfree(glob_t*);
+	#define globi(a,b,c,d)	glob(a,b,c,d)
 
 #endif