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lib: stop overriding system printf symbols

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After this patch, the codebase no longer overrides system printf
functions. Instead it explicitly calls either the curl printf functions
`curl_m*printf()` or the system ones using their original names.

Also:
- drop unused `curl_printf.h` includes.
- checksrc: ban system printf functions, allow where necessary.

Follow-up to db98daab05 #18844
Follow-up to 4deea9396b #18814

Closes #18866
This commit is contained in:
Viktor Szakats 2025-10-04 12:58:49 +02:00
parent 13f10add17
commit b12da22db1
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147 changed files with 1030 additions and 1145 deletions
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5
lib/asyn-ares.c
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@ -105,8 +105,7 @@
#define HTTPSRR_WORKS
#endif
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
/* The last 2 #include files should be in this order */
#include "curl_memory.h"
#include "memdebug.h"
@ -782,7 +781,7 @@ struct Curl_addrinfo *Curl_async_getaddrinfo(struct Curl_easy *data,
* accordingly to save a call to getservbyname in inside C-Ares
*/
hints.ai_flags = ARES_AI_NUMERICSERV;
msnprintf(service, sizeof(service), "%d", port);
curl_msnprintf(service, sizeof(service), "%d", port);
ares->num_pending = 1;
ares_getaddrinfo(ares->channel, data->state.async.hostname,
service, &hints, async_ares_addrinfo_cb, data);