firmware-utils: fix -Wpointer-sign warnings

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

diff --git a/tools/firmware-utils/src/mkcasfw.c b/tools/firmware-utils/src/mkcasfw.c
index 904000c78da3ccd318f2390e1703adc0b41b896a..0e7aa17c1b05f12cd5046383c5a1526e55d2a799 100644 (file)
--- a/tools/firmware-utils/src/mkcasfw.c
+++ b/tools/firmware-utils/src/mkcasfw.c
@@ -463,8 +463,9 @@ 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) {
@@ -524,8 +525,10 @@ 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_TYPE_8:
                csum8_update(p,len,css);
@@ -568,19 +571,21 @@ 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;