curlx_base64_encode: use uint8_t* for input

Change `inputbuff` parameter from `const char *` to `const uint8_t *` to
reflect the binary nature of the input bytes. Half the code was casting
unsigned char to signed already in calling.

Closes #19722
This commit is contained in:
Stefan Eissing 2025-11-27 13:18:09 +01:00 committed by Daniel Stenberg
parent fd5a117a67
commit bbb929112b
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19 changed files with 33 additions and 30 deletions

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@ -150,7 +150,7 @@ static ParameterError varfunc(char *c, /* content */
if(clen) {
char *enc;
size_t elen;
CURLcode result = curlx_base64_encode(c, clen, &enc, &elen);
CURLcode result = curlx_base64_encode((uint8_t *)c, clen, &enc, &elen);
if(result) {
err = PARAM_NO_MEM;
break;