X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/157f544ac2149a985b0f62e9381a759c0ae252ec..aa943bc9a68ccdcc5cbe29f6ac3b5e787d4c22ca:/shared.c?ds=sidebyside

diff --git a/shared.c b/shared.c
index 3bd2a9e..225ce15 100644
--- a/shared.c
+++ b/shared.c
@@ -560,3 +560,52 @@ char *expand_macros(const char *txt)
 	}
 	return result;
 }
+
+char *get_mimetype_for_filename(const char *filename)
+{
+	static const char *delimiters;
+	char *ext = NULL, *iterate, *mimetype = NULL, *token;
+	char line[1024];
+	FILE *fd;
+	struct string_list_item *mime;
+
+	if (filename == NULL)
+		return NULL;
+
+	ext = strrchr(filename, '.');
+
+	if (ext && *(++ext)) {
+		mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
+		if (mime) {
+			/* We could just pass the pointer here, but would have to care
+			 * whether or not to free the memory. Instead just dup. */
+			mimetype = xstrdup(mime->util);
+		} else if (ctx.cfg.mimetype_file != NULL) {
+			fd = fopen(ctx.cfg.mimetype_file, "r");
+			if (fd == NULL)
+				return NULL;
+
+			delimiters = " \t\r\n";
+
+			/* loop over all lines in the file */
+			while (mimetype == NULL && fgets(line, sizeof(line), fd)) {
+				iterate = strtok(line, delimiters);
+
+				/* skip empty lines and comment lines */
+				if (iterate == NULL || (iterate[0] == '#'))
+					continue;
+
+				/* loop over all extensions of mimetype */
+				while ((token = strtok(NULL, delimiters))) {
+					if (strcasecmp(ext, token) == 0) {
+						mimetype = xstrdup(iterate);
+						break;
+					}
+				}
+			}
+			fclose(fd);
+		}
+	}
+
+	return mimetype;
+}