Lookup style files also in the installation directory.

diff --git a/gettext-tools/src/ChangeLog b/gettext-tools/src/ChangeLog
index f870e01d9f68717e5759791888d51fd4b46babad..3efdea5243d5cfe84637ec0200f713a1ac46bd67 100644 (file)
--- a/gettext-tools/src/ChangeLog
+++ b/gettext-tools/src/ChangeLog
@@ -1,3 +1,8 @@
+2007-10-28  Bruno Haible  <bruno@clisp.org>
+
+       * color.c (style_file_lookup): New function.
+       (style_file_prepare): Use it.
+
 2007-10-21  Bruno Haible  <bruno@clisp.org>
 
        Normalize the leading space of every comment line during input, not

diff --git a/gettext-tools/src/color.c b/gettext-tools/src/color.c
index 05ac2f1c0ce7b192bb91515a946f89eb7f1958bc..ed548a9636e5b9cfd1365c604d0635a87d5ab746 100644 (file)
--- a/gettext-tools/src/color.c
+++ b/gettext-tools/src/color.c
@@ -25,6 +25,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 
 #include "term-ostream.h"
 #include "xalloc.h"
@@ -382,6 +384,36 @@ print_color_test ()
   ostream_free (stream);
 }
 
+/* Lookup the location of the style file.  */
+static const char *
+style_file_lookup (const char *file_name)
+{
+  if (!IS_PATH_WITH_DIR (file_name))
+    {
+      /* It's a file name without a directory specification.
+        If it does not exist in the current directory...  */
+      struct stat statbuf;
+
+      if (stat (file_name, &statbuf) < 0)
+       {
+         /* ... but it exists in the styles installation location...  */
+         const char *gettextstylesdir = relocate (GETTEXTDATADIR "/styles");
+         char *possible_file_name =
+           concatenated_filename (gettextstylesdir, file_name, NULL);
+
+         if (stat (possible_file_name, &statbuf) >= 0)
+           {
+             /* ... then use the file in the styles installation directory.  */
+             return possible_file_name;
+           }
+         free (possible_file_name);
+       }
+
+      /* Let the CSS library show a warning.  */
+    }
+  return file_name;
+}
+
 /* Assign a default value to style_file_name if necessary.  */
 void
 style_file_prepare ()
@@ -391,7 +423,7 @@ style_file_prepare ()
       const char *user_preference = getenv ("PO_STYLE");
 
       if (user_preference != NULL && user_preference[0] != '\0')
-       style_file_name = xstrdup (user_preference);
+       style_file_name = style_file_lookup (xstrdup (user_preference));
       else
        {
          const char *gettextdatadir;
@@ -407,4 +439,6 @@ style_file_prepare ()
                                   NULL);
        }
     }
+  else
+    style_file_name = style_file_lookup (style_file_name);
 }