#ifndef HEADER_CURL_MEMDEBUG_H #define HEADER_CURL_MEMDEBUG_H #ifdef CURLDEBUG /*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) Daniel Stenberg, , 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 * ***************************************************************************/ /* * CAUTION: this header is designed to work when included by the app-side * as well as the library. Do not mix with library internals! */ #include #include "functypes.h" #if defined(__GNUC__) && __GNUC__ >= 3 # define ALLOC_FUNC __attribute__((__malloc__)) # define ALLOC_SIZE(s) __attribute__((__alloc_size__(s))) # define ALLOC_SIZE2(n, s) __attribute__((__alloc_size__(n, s))) #elif defined(_MSC_VER) # define ALLOC_FUNC __declspec(restrict) # define ALLOC_SIZE(s) # define ALLOC_SIZE2(n, s) #else # define ALLOC_FUNC # define ALLOC_SIZE(s) # define ALLOC_SIZE2(n, s) #endif #define CURL_MT_LOGFNAME_BUFSIZE 512 extern FILE *curl_dbg_logfile; /* memory functions */ CURL_EXTERN ALLOC_FUNC ALLOC_SIZE(1) void *curl_dbg_malloc(size_t size, int line, const char *source); CURL_EXTERN ALLOC_FUNC ALLOC_SIZE2(1, 2) void *curl_dbg_calloc(size_t elements, size_t size, int line, const char *source); CURL_EXTERN ALLOC_SIZE(2) void *curl_dbg_realloc(void *ptr, size_t size, int line, const char *source); CURL_EXTERN void curl_dbg_free(void *ptr, int line, const char *source); CURL_EXTERN ALLOC_FUNC char *curl_dbg_strdup(const char *str, int line, const char *src); #if defined(_WIN32) && defined(UNICODE) CURL_EXTERN ALLOC_FUNC wchar_t *curl_dbg_wcsdup(const wchar_t *str, int line, const char *source); #endif CURL_EXTERN void curl_dbg_memdebug(const char *logname); CURL_EXTERN void curl_dbg_memlimit(long limit); CURL_EXTERN void curl_dbg_log(const char *format, ...) CURL_PRINTF(1, 2); /* file descriptor manipulators */ CURL_EXTERN curl_socket_t curl_dbg_socket(int domain, int type, int protocol, int line, const char *source); CURL_EXTERN void curl_dbg_mark_sclose(curl_socket_t sockfd, int line, const char *source); CURL_EXTERN int curl_dbg_sclose(curl_socket_t sockfd, int line, const char *source); CURL_EXTERN curl_socket_t curl_dbg_accept(curl_socket_t s, void *a, void *alen, int line, const char *source); #ifdef HAVE_SOCKETPAIR CURL_EXTERN int curl_dbg_socketpair(int domain, int type, int protocol, curl_socket_t socket_vector[2], int line, const char *source); #endif /* send/receive sockets */ CURL_EXTERN SEND_TYPE_RETV curl_dbg_send(SEND_TYPE_ARG1 sockfd, SEND_QUAL_ARG2 SEND_TYPE_ARG2 buf, SEND_TYPE_ARG3 len, SEND_TYPE_ARG4 flags, int line, const char *source); CURL_EXTERN RECV_TYPE_RETV curl_dbg_recv(RECV_TYPE_ARG1 sockfd, RECV_TYPE_ARG2 buf, RECV_TYPE_ARG3 len, RECV_TYPE_ARG4 flags, int line, const char *source); /* FILE functions */ CURL_EXTERN ALLOC_FUNC FILE *curl_dbg_fopen(const char *file, const char *mode, int line, const char *source); CURL_EXTERN ALLOC_FUNC FILE *curl_dbg_fdopen(int filedes, const char *mode, int line, const char *source); CURL_EXTERN int curl_dbg_fclose(FILE *file, int line, const char *source); #ifndef MEMDEBUG_NODEFINES /* Set this symbol on the command-line, recompile all lib-sources */ #undef strdup #define strdup(ptr) curl_dbg_strdup(ptr, __LINE__, __FILE__) #undef malloc #define malloc(size) curl_dbg_malloc(size, __LINE__, __FILE__) #undef calloc #define calloc(nbelem,size) curl_dbg_calloc(nbelem, size, __LINE__, __FILE__) #undef realloc #define realloc(ptr,size) curl_dbg_realloc(ptr, size, __LINE__, __FILE__) #undef free #define free(ptr) curl_dbg_free(ptr, __LINE__, __FILE__) #undef send #define send(a,b,c,d) curl_dbg_send(a,b,c,d, __LINE__, __FILE__) #undef recv #define recv(a,b,c,d) curl_dbg_recv(a,b,c,d, __LINE__, __FILE__) #ifdef _WIN32 # ifdef UNICODE # undef wcsdup # define wcsdup(ptr) curl_dbg_wcsdup(ptr, __LINE__, __FILE__) # undef _wcsdup # define _wcsdup(ptr) curl_dbg_wcsdup(ptr, __LINE__, __FILE__) # undef _tcsdup # define _tcsdup(ptr) curl_dbg_wcsdup(ptr, __LINE__, __FILE__) # else # undef _tcsdup # define _tcsdup(ptr) curl_dbg_strdup(ptr, __LINE__, __FILE__) # endif #endif #undef socket #define socket(domain,type,protocol)\ curl_dbg_socket((int)domain, type, protocol, __LINE__, __FILE__) #undef accept /* for those with accept as a macro */ #define accept(sock,addr,len)\ curl_dbg_accept(sock, addr, len, __LINE__, __FILE__) #ifdef HAVE_SOCKETPAIR #define socketpair(domain,type,protocol,socket_vector)\ curl_dbg_socketpair((int)domain, type, protocol, socket_vector, \ __LINE__, __FILE__) #endif #ifndef CURL_NO_GETADDRINFO_OVERRIDE #ifdef HAVE_GETADDRINFO #if defined(getaddrinfo) && defined(__osf__) /* OSF/1 and Tru64 have getaddrinfo as a define already, so we cannot define our macro as for other platforms. Instead, we redefine the new name they define getaddrinfo to become! */ #define ogetaddrinfo(host,serv,hint,res) \ curl_dbg_getaddrinfo(host, serv, hint, res, __LINE__, __FILE__) #else #undef getaddrinfo #define getaddrinfo(host,serv,hint,res) \ curl_dbg_getaddrinfo(host, serv, hint, res, __LINE__, __FILE__) #endif #endif /* HAVE_GETADDRINFO */ #ifdef HAVE_FREEADDRINFO #undef freeaddrinfo #define freeaddrinfo(data) \ curl_dbg_freeaddrinfo(data, __LINE__, __FILE__) #endif /* HAVE_FREEADDRINFO */ #endif /* !CURL_NO_GETADDRINFO_OVERRIDE */ /* sclose is probably already defined, redefine it! */ #undef sclose #define sclose(sockfd) curl_dbg_sclose(sockfd,__LINE__,__FILE__) #define fake_sclose(sockfd) curl_dbg_mark_sclose(sockfd,__LINE__,__FILE__) #undef fopen #define fopen(file,mode) curl_dbg_fopen(file,mode,__LINE__,__FILE__) #undef fdopen #define fdopen(file,mode) curl_dbg_fdopen(file,mode,__LINE__,__FILE__) #define fclose(file) curl_dbg_fclose(file,__LINE__,__FILE__) #endif /* MEMDEBUG_NODEFINES */ #endif /* CURLDEBUG */ /* ** Following section applies even when CURLDEBUG is not defined. */ #ifndef fake_sclose #define fake_sclose(x) Curl_nop_stmt #endif /* * Curl_safefree defined as a macro to allow MemoryTracking feature * to log free() calls at same location where Curl_safefree is used. * This macro also assigns NULL to given pointer when free'd. */ #define Curl_safefree(ptr) \ do { free((ptr)); (ptr) = NULL;} while(0) #endif /* HEADER_CURL_MEMDEBUG_H */