print fseeko error

vasi · Nov 4, 2015 · 7fb07ef · 7fb07ef
1 parent 8879834
commit 7fb07ef
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/src/common.c b/src/common.c
@@ -344,18 +344,21 @@ static lzma_index *next_index(off_t *pos) {
 }
 
 bool decode_index(void) {
-    if (fseeko(gInFile, 0, SEEK_END) == -1)
+	if (fseeko(gInFile, 0, SEEK_END) == -1) {
+		fprintf(stderr, "can not seek in input: %s\n", strerror(errno));
 		return false; // not seekable
+	}
+
 	off_t pos = ftello(gInFile);
-	
+
 	gIndex = NULL;
 	while (pos > 0) {
 		lzma_index *index = next_index(&pos);
 		if (gIndex && lzma_index_cat(index, gIndex, NULL) != LZMA_OK)
 			die("Error concatenating indices");
 		gIndex = index;
 	}
-	
+
 	return (gIndex != NULL);
 }