use stdio i/o functions

glslUtil/glslUtil.c

@@ -2,7 +2,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/stat.h>
-#include <fcntl.h>
 #include <math.h>
 #include <string.h>
 #include "glslUtil.h"
@@ -18,9 +17,9 @@ static char *loadFile(const char *fname)
     if (st.st_size <= 0)
         return NULL;
     char * buff = malloc(st.st_size + 1);
-    int fd = open(fname, O_RDONLY);
+    FILE *fil = fopen(fname, "r");
-    read(fd, buff, st.st_size);
+    fread(buff, st.st_size, 1, fil);
-    close(fd);
+    fclose(fil);
     buff[st.st_size] = '\0';
     return buff;
 }