Fix user_io_ext_idx

fat_compat.c

@@ -5,6 +5,7 @@
 #include "fat_compat.h"
 #include "fpga.h"
 #include "attrs.h"
+#include "utils.h"
 
 #include "FatFs/ff.h"
 
@@ -246,22 +247,6 @@ static DIR           dir;
 static FILINFO       fil;
 static unsigned char nNewEntries = 0;      // indicates if a new entry has been found (used in scroll mode)
 
-FAST static int _strnicmp(const char *s1, const char *s2, size_t n)
-{
-	char c1, c2;
-	int v;
-
-	do
-	{
-		c1 = *s1++;
-		c2 = *s2++;
-		v = (unsigned int)tolower(c1) - (unsigned int)tolower(c2);
-	}
-	while (v == 0 && c1 != '\0' && --n > 0);
-
-	return v;
-}
-
 FAST static int CompareDirEntries(FILINFO *pDirEntry1, FILINFO *pDirEntry2)
 {
 	int rc;

user_io.c

@@ -2197,7 +2197,7 @@ unsigned char user_io_ext_idx(const char *name, const char* ext) {
 	const char *nameext = GetExtension(name);
 	if (!nameext) return 0;
 	while((len>3) && *ext) {
-		if(!strncmp(nameext,ext,3)) return idx;
+		if(!_strnicmp(nameext,ext,3)) return idx;
 		if(strlen(ext)<=3) break;
 		idx++;
 		ext +=3;

utils.c

@@ -1,4 +1,7 @@
+#include <stddef.h>
+#include <ctype.h>
 #include "utils.h"
+#include "attrs.h"
 
 unsigned char bin2bcd(unsigned char in) {
   return 16*(in/10) + (in % 10);
@@ -7,3 +10,19 @@ unsigned char bin2bcd(unsigned char in) {
 unsigned char bcd2bin(unsigned char in) {
   return 10*(in >> 4) + (in & 0x0f);
 }
+
+FAST int _strnicmp(const char *s1, const char *s2, size_t n)
+{
+  char c1, c2;
+  int v;
+
+  do
+    {
+    c1 = *s1++;
+    c2 = *s2++;
+    v = (unsigned int)tolower(c1) - (unsigned int)tolower(c2);
+    }
+  while (v == 0 && c1 != '\0' && --n > 0);
+
+  return v;
+}

utils.h

@@ -3,5 +3,6 @@
 
 unsigned char bin2bcd(unsigned char in);
 unsigned char bcd2bin(unsigned char in);
+int _strnicmp(const char *s1, const char *s2, size_t n);
 
 #endif