add const keyword to some APIs

[openocd] / src / pld / xilinx_bit.c

diff --git a/src/pld/xilinx_bit.c b/src/pld/xilinx_bit.c
index c766805fa86092b6aac38891e834e1f636ebdab2..33c3ed79b7b24940c8dd4e85b74d1bee6d8fc6cd 100644 (file)
--- a/src/pld/xilinx_bit.c
+++ b/src/pld/xilinx_bit.c
@@ -75,7 +75,7 @@ static int read_section(FILE *input_file, int length_size, char section,
        return ERROR_OK;
 }
 
-int xilinx_read_bit_file(xilinx_bit_file_t *bit_file, char *filename)
+int xilinx_read_bit_file(xilinx_bit_file_t *bit_file, const char *filename)
 {
        FILE *input_file;
        struct stat input_stat;