firmware-utils: fix -Wpointer-sign warnings

[openwrt/openwrt.git] / tools / firmware-utils / src / mkcsysimg.c

diff --git a/tools/firmware-utils/src/mkcsysimg.c b/tools/firmware-utils/src/mkcsysimg.c
index e156f79153ae6625c93ad6e227b3fc847ec19047..0ddb54c4ec19e4bc5b86aa277fcb137b63dacd95 100644 (file)
--- a/tools/firmware-utils/src/mkcsysimg.c
+++ b/tools/firmware-utils/src/mkcsysimg.c
@@ -423,8 +423,9 @@ csum8_get(struct csum_state *css)
 
 
 void
-csum16_update(uint8_t *p, uint32_t len, struct csum_state *css)
+csum16_update(void *data, uint32_t len, struct csum_state *css)
 {
+       uint8_t *p = data;
        uint16_t t;
 
        if (css->odd) {
@@ -468,8 +469,10 @@ csum_init(struct csum_state *css, int size)
 
 
 void
-csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
+csum_update(void *data, uint32_t len, struct csum_state *css)
 {
+       uint8_t *p = data;
+
        switch (css->size) {
        case CSUM_SIZE_8:
                csum8_update(p,len,css);
@@ -506,19 +509,21 @@ csum_get(struct csum_state *css)
  * routines to write data to the output file
  */
 int
-write_out_data(FILE *outfile, uint8_t *data, size_t len,
+write_out_data(FILE *outfile, void *data, size_t len,
                struct csum_state *css)
 {
+       uint8_t *ptr = data;
+
        errno = 0;
 
-       fwrite(data, len, 1, outfile);
+       fwrite(ptr, len, 1, outfile);
        if (errno) {
                ERRS("unable to write output file");
                return ERR_FATAL;
        }
 
        if (css) {
-               csum_update(data, len, css);
+               csum_update(ptr, len, css);
        }
 
        return 0;