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1 #ifndef HEADER_CURL_MEMDEBUG_H
2 #define HEADER_CURL_MEMDEBUG_H
3 #ifdef CURLDEBUG
4 /***************************************************************************
5  *                                  _   _ ____  _
6  *  Project                     ___| | | |  _ \| |
7  *                             / __| | | | |_) | |
8  *                            | (__| |_| |  _ <| |___
9  *                             \___|\___/|_| \_\_____|
10  *
11  * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
12  *
13  * This software is licensed as described in the file COPYING, which
14  * you should have received as part of this distribution. The terms
15  * are also available at https://curl.haxx.se/docs/copyright.html.
16  *
17  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
18  * copies of the Software, and permit persons to whom the Software is
19  * furnished to do so, under the terms of the COPYING file.
20  *
21  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
22  * KIND, either express or implied.
23  *
24  ***************************************************************************/
25 
26 /*
27  * CAUTION: this header is designed to work when included by the app-side
28  * as well as the library. Do not mix with library internals!
29  */
30 
31 #define CURL_MT_LOGFNAME_BUFSIZE 512
32 
33 #define logfile curl_debuglogfile
34 
35 extern FILE *logfile;
36 
37 /* memory functions */
38 CURL_EXTERN void *curl_domalloc(size_t size, int line, const char *source);
39 CURL_EXTERN void *curl_docalloc(size_t elements, size_t size, int line,
40                                 const char *source);
41 CURL_EXTERN void *curl_dorealloc(void *ptr, size_t size, int line,
42                                  const char *source);
43 CURL_EXTERN void curl_dofree(void *ptr, int line, const char *source);
44 CURL_EXTERN char *curl_dostrdup(const char *str, int line, const char *source);
45 #if defined(WIN32) && defined(UNICODE)
46 CURL_EXTERN wchar_t *curl_dowcsdup(const wchar_t *str, int line,
47                                    const char *source);
48 #endif
49 
50 CURL_EXTERN void curl_memdebug(const char *logname);
51 CURL_EXTERN void curl_memlimit(long limit);
52 CURL_EXTERN void curl_memlog(const char *format, ...);
53 
54 /* file descriptor manipulators */
55 CURL_EXTERN curl_socket_t curl_socket(int domain, int type, int protocol,
56                                       int line, const char *source);
57 CURL_EXTERN void curl_mark_sclose(curl_socket_t sockfd,
58                                   int line, const char *source);
59 CURL_EXTERN int curl_sclose(curl_socket_t sockfd,
60                             int line, const char *source);
61 CURL_EXTERN curl_socket_t curl_accept(curl_socket_t s, void *a, void *alen,
62                                       int line, const char *source);
63 #ifdef HAVE_SOCKETPAIR
64 CURL_EXTERN int curl_socketpair(int domain, int type, int protocol,
65                                 curl_socket_t socket_vector[2],
66                                 int line, const char *source);
67 #endif
68 
69 /* FILE functions */
70 CURL_EXTERN FILE *curl_fopen(const char *file, const char *mode, int line,
71                              const char *source);
72 #ifdef HAVE_FDOPEN
73 CURL_EXTERN FILE *curl_fdopen(int filedes, const char *mode, int line,
74                               const char *source);
75 #endif
76 CURL_EXTERN int curl_fclose(FILE *file, int line, const char *source);
77 
78 #ifndef MEMDEBUG_NODEFINES
79 
80 /* Set this symbol on the command-line, recompile all lib-sources */
81 #undef strdup
82 #define strdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
83 #define malloc(size) curl_domalloc(size, __LINE__, __FILE__)
84 #define calloc(nbelem,size) curl_docalloc(nbelem, size, __LINE__, __FILE__)
85 #define realloc(ptr,size) curl_dorealloc(ptr, size, __LINE__, __FILE__)
86 #define free(ptr) curl_dofree(ptr, __LINE__, __FILE__)
87 
88 #ifdef WIN32
89 #  ifdef UNICODE
90 #    undef wcsdup
91 #    define wcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
92 #    undef _wcsdup
93 #    define _wcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
94 #    undef _tcsdup
95 #    define _tcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
96 #  else
97 #    undef _tcsdup
98 #    define _tcsdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
99 #  endif
100 #endif
101 
102 #undef socket
103 #define socket(domain,type,protocol)\
104  curl_socket(domain, type, protocol, __LINE__, __FILE__)
105 #undef accept /* for those with accept as a macro */
106 #define accept(sock,addr,len)\
107  curl_accept(sock, addr, len, __LINE__, __FILE__)
108 #ifdef HAVE_SOCKETPAIR
109 #define socketpair(domain,type,protocol,socket_vector)\
110  curl_socketpair(domain, type, protocol, socket_vector, __LINE__, __FILE__)
111 #endif
112 
113 #ifdef HAVE_GETADDRINFO
114 #if defined(getaddrinfo) && defined(__osf__)
115 /* OSF/1 and Tru64 have getaddrinfo as a define already, so we cannot define
116    our macro as for other platforms. Instead, we redefine the new name they
117    define getaddrinfo to become! */
118 #define ogetaddrinfo(host,serv,hint,res) \
119   curl_dogetaddrinfo(host, serv, hint, res, __LINE__, __FILE__)
120 #else
121 #undef getaddrinfo
122 #define getaddrinfo(host,serv,hint,res) \
123   curl_dogetaddrinfo(host, serv, hint, res, __LINE__, __FILE__)
124 #endif
125 #endif /* HAVE_GETADDRINFO */
126 
127 #ifdef HAVE_GETNAMEINFO
128 #undef getnameinfo
129 #define getnameinfo(sa,salen,host,hostlen,serv,servlen,flags) \
130   curl_dogetnameinfo(sa, salen, host, hostlen, serv, servlen, flags, \
131                      __LINE__, __FILE__)
132 #endif /* HAVE_GETNAMEINFO */
133 
134 #ifdef HAVE_FREEADDRINFO
135 #undef freeaddrinfo
136 #define freeaddrinfo(data) \
137   curl_dofreeaddrinfo(data, __LINE__, __FILE__)
138 #endif /* HAVE_FREEADDRINFO */
139 
140 /* sclose is probably already defined, redefine it! */
141 #undef sclose
142 #define sclose(sockfd) curl_sclose(sockfd,__LINE__,__FILE__)
143 
144 #define fake_sclose(sockfd) curl_mark_sclose(sockfd,__LINE__,__FILE__)
145 
146 #undef fopen
147 #define fopen(file,mode) curl_fopen(file,mode,__LINE__,__FILE__)
148 #undef fdopen
149 #define fdopen(file,mode) curl_fdopen(file,mode,__LINE__,__FILE__)
150 #define fclose(file) curl_fclose(file,__LINE__,__FILE__)
151 
152 #endif /* MEMDEBUG_NODEFINES */
153 
154 #endif /* CURLDEBUG */
155 
156 /*
157 ** Following section applies even when CURLDEBUG is not defined.
158 */
159 
160 #ifndef fake_sclose
161 #define fake_sclose(x)  Curl_nop_stmt
162 #endif
163 
164 /*
165  * Curl_safefree defined as a macro to allow MemoryTracking feature
166  * to log free() calls at same location where Curl_safefree is used.
167  * This macro also assigns NULL to given pointer when free'd.
168  */
169 
170 #define Curl_safefree(ptr) \
171   do { free((ptr)); (ptr) = NULL;} WHILE_FALSE
172 
173 #endif /* HEADER_CURL_MEMDEBUG_H */
174