Use real path of all files internally, requires _XOPEN_SOURCE>=500, fixes issue #137

1 files changed, 15 insertions, 3 deletions

diff --git a/main.c b/main.c
index d5ff918..f949e77 100644
--- a/main.c
+++ b/main.c
@@ -127,16 +127,28 @@ void check_add_file(char *filename)
 		filecnt *= 2;
 		files = (fileinfo_t*) s_realloc(files, filecnt * sizeof(fileinfo_t));
 	}
+
+#if defined _BSD_SOURCE || defined _XOPEN_SOURCE && \
+    ((_XOPEN_SOURCE - 0) >= 500 || defined _XOPEN_SOURCE_EXTENDED)
+
+	if ((files[fileidx].path = realpath(filename, NULL)) == NULL) {
+		warn("could not get real path of file: %s\n", filename);
+		return;
+	}
+#else
 	if (*filename != '/') {
-		files[fileidx].path = absolute_path(filename);
-		if (files[fileidx].path == NULL) {
+		if ((files[fileidx].path = absolute_path(filename)) == NULL) {
 			warn("could not get absolute path of file: %s\n", filename);
 			return;
 		}
+	} else {
+		files[fileidx].path = NULL;
 	}
+#endif
+
 	files[fileidx].loaded = false;
 	files[fileidx].name = s_strdup(filename);
-	if (*filename == '/')
+	if (files[fileidx].path == NULL)
 		files[fileidx].path = files[fileidx].name;
 	if ((bn = strrchr(files[fileidx].name , '/')) != NULL && bn[1] != '\0')
 		files[fileidx].base = ++bn;