(read_rgb_txt): Check also /etc/X11/rgb.txt. Downcase

color names.

diff --git a/src/m17n-gd.c b/src/m17n-gd.c
index 600b049..0604178 100644 (file)
--- a/src/m17n-gd.c
+++ b/src/m17n-gd.c
@@ -68,7 +68,7 @@ static void
 read_rgb_txt ()
 {
   FILE *fp;
-  int r, g, b;
+  int r, g, b, i;
 
   /* At first, support HTML 4.0 color names. */
   msymbol_put (msymbol ("black"), M_rgb, (void *) 0x000000);
@@ -88,11 +88,18 @@ read_rgb_txt ()
   msymbol_put (msymbol ("teal"), M_rgb, (void *) 0x008080);
   msymbol_put (msymbol ("aqua"), M_rgb, (void *) 0x00FFFF);
 
-  fp = fopen ("/usr/lib/X11/rgb.txt", "r");
-  if (! fp)
-    fp = fopen ("/usr/X11R6/lib/X11/rgb.txt", "r");
-  if (! fp)
-    return;
+  {
+    char *rgb_path[]
+      =  {"/usr/lib/X11/rgb.txt", "/usr/X11R6/lib/X11/rgb.txt",
+         "/etc/X11/rgb.txt" };
+
+    fp = NULL;
+    for (i = 0; i < (sizeof rgb_path) / (sizeof rgb_path[0]); i++)
+      if ((fp = fopen ("/usr/lib/X11/rgb.txt", "r")))
+       break;
+    if (! fp)
+      return;
+  }
   while (1)
     {
       char buf[256];
@@ -114,6 +121,8 @@ read_rgb_txt ()
       buf[0] = c;
       fgets (buf + 1, 255, fp);
       len = strlen (buf);
+      for (i = 0; i < len; i++)
+       buf[i] = tolower (buf[i]);
       if (buf[len - 1] == '\n')
        buf[len - 1] = '\0';
       b |= (r << 16) | (g << 8);