move get_mimetype_from_file() to shared

Signed-off-by: Christian Hesse <mail@eworm.de>

3 files changed, 42 insertions, 40 deletions

diff --git a/cgit.h b/cgit.h
index f327627..0f1e186 100644
--- a/cgit.h
+++ b/cgit.h
@@ -391,4 +391,6 @@ extern int readfile(const char *path, char **buf, size_t *size);
 
 extern char *expand_macros(const char *txt);
 
+extern char *get_mimetype_from_file(const char *filename, const char *ext);
+
 #endif /* CGIT_H */
diff --git a/shared.c b/shared.c
index 3bd2a9e..fb4e8ca 100644
--- a/shared.c
+++ b/shared.c
@@ -560,3 +560,43 @@ char *expand_macros(const char *txt)
         }
         return result;
 }
+
+char *get_mimetype_from_file(const char *filename, const char *ext)
+{
+        static const char *delimiters;
+        char *result;
+        FILE *fd;
+        char line[1024];
+        char *mimetype;
+        char *token;
+
+        if (!filename)
+                return NULL;
+
+        fd = fopen(filename, "r");
+        if (!fd)
+                return NULL;
+
+        delimiters = " \t\r\n";
+        result = NULL;
+
+        /* loop over all lines in the file */
+        while (!result && fgets(line, sizeof(line), fd)) {
+                mimetype = strtok(line, delimiters);
+
+                /* skip empty lines and comment lines */
+                if (!mimetype || (mimetype[0] == '#'))
+                        continue;
+
+                /* loop over all extensions of mimetype */
+                while ((token = strtok(NULL, delimiters))) {
+                        if (!strcasecmp(ext, token)) {
+                                result = xstrdup(mimetype);
+                                break;
+                        }
+                }
+        }
+        fclose(fd);
+
+        return result;
+}
diff --git a/ui-plain.c b/ui-plain.c
index 0daa7bf..d68518e 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -16,46 +16,6 @@ struct walk_tree_context {
         int match;
 };
 
-static char *get_mimetype_from_file(const char *filename, const char *ext)
-{
-        static const char *delimiters;
-        char *result;
-        FILE *fd;
-        char line[1024];
-        char *mimetype;
-        char *token;
-
-        if (!filename)
-                return NULL;
-
-        fd = fopen(filename, "r");
-        if (!fd)
-                return NULL;
-
-        delimiters = " \t\r\n";
-        result = NULL;
-
-        /* loop over all lines in the file */
-        while (!result && fgets(line, sizeof(line), fd)) {
-                mimetype = strtok(line, delimiters);
-
-                /* skip empty lines and comment lines */
-                if (!mimetype || (mimetype[0] == '#'))
-                        continue;
-
-                /* loop over all extensions of mimetype */
-                while ((token = strtok(NULL, delimiters))) {
-                        if (!strcasecmp(ext, token)) {
-                                result = xstrdup(mimetype);
-                                break;
-                        }
-                }
-        }
-        fclose(fd);
-
-        return result;
-}
-
 static int print_object(const unsigned char *sha1, const char *path)
 {
         enum object_type type;