curl/lib/curl_log.h
Daniel Stenberg 521da2dbd3
curl_log: avoid printf() format checking with mingw
Since it does not seem to like %zu and more

Follow-up to db91dbbf2

Fixes #10291
Closes #10292
2023-01-13 13:37:21 +01:00

139 lines
4.4 KiB
C

#ifndef HEADER_CURL_LOG_H
#define HEADER_CURL_LOG_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
struct Curl_easy;
struct Curl_cfilter;
/**
* Init logging, return != 0 on failure.
*/
CURLcode Curl_log_init(void);
void Curl_infof(struct Curl_easy *, const char *fmt, ...);
void Curl_failf(struct Curl_easy *, const char *fmt, ...);
#if defined(CURL_DISABLE_VERBOSE_STRINGS)
#if defined(HAVE_VARIADIC_MACROS_C99)
#define infof(...) Curl_nop_stmt
#elif defined(HAVE_VARIADIC_MACROS_GCC)
#define infof(x...) Curl_nop_stmt
#else
#error "missing VARIADIC macro define, fix and rebuild!"
#endif
#else /* CURL_DISABLE_VERBOSE_STRINGS */
#define infof Curl_infof
#endif /* CURL_DISABLE_VERBOSE_STRINGS */
#define failf Curl_failf
#define CURL_LOG_DEFAULT 0
#define CURL_LOG_DEBUG 1
#define CURL_LOG_TRACE 2
/* the function used to output verbose information */
void Curl_debug(struct Curl_easy *data, curl_infotype type,
char *ptr, size_t size);
#ifdef DEBUGBUILD
/* explainer: we have some mix configuration and werror settings
* that define HAVE_VARIADIC_MACROS_C99 even though C89 is enforced
* on gnuc and some other compiler. Need to treat carefully.
*/
#if defined(HAVE_VARIADIC_MACROS_C99) && \
defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
#define LOG_CF(data, cf, ...) \
do { if(Curl_log_cf_is_debug(cf)) \
Curl_log_cf_debug(data, cf, __VA_ARGS__); } while(0)
#else
#define LOG_CF Curl_log_cf_debug
#endif
void Curl_log_cf_debug(struct Curl_easy *data, struct Curl_cfilter *cf,
#if defined(__GNUC__) && !defined(printf) && \
defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \
!defined(__MINGW32__)
const char *fmt, ...)
__attribute__((format(printf, 3, 4)));
#else
const char *fmt, ...);
#endif
#define Curl_log_cf_is_debug(cf) \
((cf) && (cf)->cft->log_level >= CURL_LOG_DEBUG)
#else /* !DEBUGBUILD */
#if defined(HAVE_VARIADIC_MACROS_C99) && \
defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
#define LOG_CF(...) Curl_nop_stmt
#define Curl_log_cf_debug(...) Curl_nop_stmt
#elif defined(HAVE_VARIADIC_MACROS_GCC) && \
defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
#define LOG_CF(x...) Curl_nop_stmt
#define Curl_log_cf_debug(x...) Curl_nop_stmt
#else
#define LOG_CF Curl_log_cf_debug
/* without c99, we seem unable to completely define away this function. */
void Curl_log_cf_debug(struct Curl_easy *data, struct Curl_cfilter *cf,
const char *fmt, ...);
#endif
#define Curl_log_cf_is_debug(x) ((void)(x), FALSE)
#endif /* !DEBUGBUILD */
#define LOG_CF_IS_DEBUG(x) Curl_log_cf_is_debug(x)
/* Macros intended for DEBUGF logging, use like:
* DEBUGF(infof(data, CFMSG(cf, "this filter %s rocks"), "very much"));
* and it will output:
* [CONN-1-0][CF-SSL] this filter very much rocks
* on connection #1 with sockindex 0 for filter of type "SSL". */
#define DMSG(d,msg) \
"[CONN-%ld] "msg, (d)->conn->connection_id
#define DMSGI(d,i,msg) \
"[CONN-%ld-%d] "msg, (d)->conn->connection_id, (i)
#define CMSG(c,msg) \
"[CONN-%ld] "msg, (c)->connection_id
#define CMSGI(c,i,msg) \
"[CONN-%ld-%d] "msg, (c)->connection_id, (i)
#define CFMSG(cf,msg) \
"[CONN-%ld-%d][CF-%s] "msg, (cf)->conn->connection_id, \
(cf)->sockindex, (cf)->cft->name
#endif /* HEADER_CURL_LOG_H */