X-Git-Url: http://git.bytex64.net/?a=blobdiff_plain;f=database.c;h=c3ac954f512423b5433e6877ed7a8ad785f5daf3;hb=c4025f5d80dc8f3f15ee6814ac689b9eee1dba10;hp=2da6530678a1d96ae1c23c7afd146704d59b9a6a;hpb=82f9ef6f267b3fcbd0052ef809dbe6df5de5a925;p=blerg.git

diff --git a/database.c b/database.c
index 2da6530..c3ac954 100644
--- a/database.c
+++ b/database.c
@@ -36,7 +36,7 @@ void blerg_segment_close(struct blerg *blerg) {
 	if (blerg->data_fd != -1)
 		close(blerg->data_fd);
 	if (blerg->index != NULL)
-		munmap((void *)blerg->index, sizeof(RECORDS_PER_SEGMENT * sizeof(struct record)));
+		munmap((void *)blerg->index, RECORDS_PER_SEGMENT * sizeof(struct record));
 	if (blerg->index_fd != -1)
 		close(blerg->index_fd);
 }
@@ -108,6 +108,22 @@ open_failed_index_open:
 	return 0;
 }
 
+int blerg_exists(const char *name) {
+	int namelen = strlen(name);
+	char filename[512];
+
+	if (namelen > 32) {
+		perror("Name too long");
+		return 0;
+	}
+
+	snprintf(filename, 512, "%s/%s", DATA_PATH, name);
+	if (access(filename, F_OK) == -1)
+		return 0;
+	else
+		return 1;
+}
+
 struct blerg *blerg_open(const char *name) {
 	int namelen = strlen(name);
 	char filename[512];