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build: fix -Wconversion/-Wsign-conversion warnings

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Fix remaining warnings in examples and tests which are not suppressed
by the pragma in `lib/curl_setup.h`.

Silence a toolchain issue causing warnings in `FD_SET()` calls with
older Cygwin/MSYS2 builds. Likely fixed on 2020-08-03 by:
https://cygwin.com/git/?p=newlib-cygwin.git;a=commitdiff;h=5717262b8ecfed0f7fab63e2c09c78991e36f9dd

Follow-up to 2dbe75bd7f #12492

Closes #12557
This commit is contained in:
Viktor Szakats 2023-12-19 19:16:03 +00:00
parent 2dbe75bd7f
commit 95a882d268
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GPG key ID: B5ABD165E2AEF201
10 changed files with 32 additions and 24 deletions
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12
docs/examples/anyauthput.c
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@ -69,17 +69,15 @@ static int my_seek(void *userp, curl_off_t offset, int origin)
/* read callback function, fread() look alike */
static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream)
{
ssize_t retcode;
unsigned long nread;
size_t nread;
retcode = fread(ptr, size, nmemb, stream);
nread = fread(ptr, size, nmemb, stream);
if(retcode > 0) {
nread = (unsigned long)retcode;
fprintf(stderr, "*** We read %lu bytes from file\n", nread);
if(nread > 0) {
fprintf(stderr, "*** We read %lu bytes from file\n", (unsigned long)nread);
}
return retcode;
return nread;
}
int main(int argc, char **argv)