Fix an opened file leak.

3 files changed, 8 insertions, 4 deletions

diff --git a/src/common.h b/src/common.h
index 7420485..0003d43 100644
--- a/src/common.h
+++ b/src/common.h
@@ -74,6 +74,7 @@ typedef struct {
 } lexer_state_t;
 
 int lexer_open(lexer_state_t *ls, const char *path, vstr_t *token);
+void lexer_close(lexer_state_t *ls);
 int lexer_get_token(lexer_state_t *ls);
 int lexer_assert(lexer_state_t *ls, const char *match, const char *desc);
 int lexer_assert_or_eof(lexer_state_t *ls, const char *match, const char *desc);
diff --git a/src/lexer.c b/src/lexer.c
index 41d6784..5610519 100644
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -41,6 +41,11 @@ int lexer_open(lexer_state_t *ls, const char *path, vstr_t *token)
 	return 0;
 }
 
+void lexer_close(lexer_state_t *ls)
+{
+	fclose(ls->fp);
+}
+
 //RETURN VALUES
 //	<0 on error
 //	0 on success
@@ -52,13 +57,10 @@ static int fill_buffer(lexer_state_t *ls)
 	read = fread(ls->buf, 1, sizeof(ls->buf), ls->fp);
 	debug("read = %zu\n", read);
 	if (read < sizeof(ls->buf)) {
-		if (ferror(ls->fp)) {
-			fclose(ls->fp);
+		if (ferror(ls->fp))
 			return -errno;
-		}
 
 		ls->eof = true;
-		fclose(ls->fp);
 		debug("no data left, ls->fp closed\n");
 	}
 
diff --git a/src/mapcat.c b/src/mapcat.c
index d9bff86..0039608 100644
--- a/src/mapcat.c
+++ b/src/mapcat.c
@@ -413,6 +413,7 @@ int map_read(map_t *map, const char *path)
 	rv = 0;
 out:
 	vstr_free(&token);
+	lexer_close(&lexer);
 
 	if (rv)
 		map_free(map);