Add libskrift_open_font_at

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 18 insertions, 0 deletions

diff --git a/libskrift_open_font_at.c b/libskrift_open_font_at.c
new file mode 100644
index 0000000..2927dea
--- /dev/null
+++ b/libskrift_open_font_at.c
@@ -0,0 +1,18 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+int
+libskrift_open_font_at(LIBSKRIFT_FONT **fontp, int dirfd, const char *path)
+{
+	int fd, ret;
+	if (!*path) {
+		return libskrift_open_font_fd(fontp, dirfd);
+	} else {
+		fd = openat(dirfd, path, O_RDONLY);
+		if (fd < 0)
+			return -1;
+		ret = libskrift_open_font_fd(fontp, fd);
+		close(fd);
+		return ret;
+	}
+}