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 - 2015, 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 http://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 #include "curl_setup.h"
32 
33 #include <curl/curl.h>
34 
35 #define CURL_MT_LOGFNAME_BUFSIZE 512
36 
37 #define logfile curl_debuglogfile
38 
39 extern FILE *logfile;
40 
41 /* memory functions */
42 CURL_EXTERN void *curl_domalloc(size_t size, int line, const char *source);
43 CURL_EXTERN void *curl_docalloc(size_t elements, size_t size, int line,
44                                 const char *source);
45 CURL_EXTERN void *curl_dorealloc(void *ptr, size_t size, int line,
46                                  const char *source);
47 CURL_EXTERN void curl_dofree(void *ptr, int line, const char *source);
48 CURL_EXTERN char *curl_dostrdup(const char *str, int line, const char *source);
49 #if defined(WIN32) && defined(UNICODE)
50 CURL_EXTERN wchar_t *curl_dowcsdup(const wchar_t *str, int line,
51                                    const char *source);
52 #endif
53 
54 CURL_EXTERN void curl_memdebug(const char *logname);
55 CURL_EXTERN void curl_memlimit(long limit);
56 CURL_EXTERN void curl_memlog(const char *format, ...);
57 
58 /* file descriptor manipulators */
59 CURL_EXTERN curl_socket_t curl_socket(int domain, int type, int protocol,
60                                       int line , const char *source);
61 CURL_EXTERN void curl_mark_sclose(curl_socket_t sockfd,
62                                   int line , const char *source);
63 CURL_EXTERN int curl_sclose(curl_socket_t sockfd,
64                             int line , const char *source);
65 CURL_EXTERN curl_socket_t curl_accept(curl_socket_t s, void *a, void *alen,
66                                       int line, const char *source);
67 #ifdef HAVE_SOCKETPAIR
68 CURL_EXTERN int curl_socketpair(int domain, int type, int protocol,
69                                 curl_socket_t socket_vector[2],
70                                 int line , const char *source);
71 #endif
72 
73 /* FILE functions */
74 CURL_EXTERN FILE *curl_fopen(const char *file, const char *mode, int line,
75                              const char *source);
76 #ifdef HAVE_FDOPEN
77 CURL_EXTERN FILE *curl_fdopen(int filedes, const char *mode, int line,
78                               const char *source);
79 #endif
80 CURL_EXTERN int curl_fclose(FILE *file, int line, const char *source);
81 
82 #ifndef MEMDEBUG_NODEFINES
83 
84 /* Set this symbol on the command-line, recompile all lib-sources */
85 #undef strdup
86 #define strdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
87 #define malloc(size) curl_domalloc(size, __LINE__, __FILE__)
88 #define calloc(nbelem,size) curl_docalloc(nbelem, size, __LINE__, __FILE__)
89 #define realloc(ptr,size) curl_dorealloc(ptr, size, __LINE__, __FILE__)
90 #define free(ptr) curl_dofree(ptr, __LINE__, __FILE__)
91 
92 #ifdef WIN32
93 #  ifdef UNICODE
94 #    undef wcsdup
95 #    define wcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
96 #    undef _wcsdup
97 #    define _wcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
98 #    undef _tcsdup
99 #    define _tcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
100 #  else
101 #    undef _tcsdup
102 #    define _tcsdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
103 #  endif
104 #endif
105 
106 #define socket(domain,type,protocol)\
107  curl_socket(domain, type, protocol, __LINE__, __FILE__)
108 #undef accept /* for those with accept as a macro */
109 #define accept(sock,addr,len)\
110  curl_accept(sock, addr, len, __LINE__, __FILE__)
111 #ifdef HAVE_SOCKETPAIR
112 #define socketpair(domain,type,protocol,socket_vector)\
113  curl_socketpair(domain, type, protocol, socket_vector, __LINE__, __FILE__)
114 #endif
115 
116 #ifdef HAVE_GETADDRINFO
117 #if defined(getaddrinfo) && defined(__osf__)
118 /* OSF/1 and Tru64 have getaddrinfo as a define already, so we cannot define
119    our macro as for other platforms. Instead, we redefine the new name they
120    define getaddrinfo to become! */
121 #define ogetaddrinfo(host,serv,hint,res) \
122   curl_dogetaddrinfo(host, serv, hint, res, __LINE__, __FILE__)
123 #else
124 #undef getaddrinfo
125 #define getaddrinfo(host,serv,hint,res) \
126   curl_dogetaddrinfo(host, serv, hint, res, __LINE__, __FILE__)
127 #endif
128 #endif /* HAVE_GETADDRINFO */
129 
130 #ifdef HAVE_GETNAMEINFO
131 #undef getnameinfo
132 #define getnameinfo(sa,salen,host,hostlen,serv,servlen,flags) \
133   curl_dogetnameinfo(sa, salen, host, hostlen, serv, servlen, flags, \
134                      __LINE__, __FILE__)
135 #endif /* HAVE_GETNAMEINFO */
136 
137 #ifdef HAVE_FREEADDRINFO
138 #undef freeaddrinfo
139 #define freeaddrinfo(data) \
140   curl_dofreeaddrinfo(data, __LINE__, __FILE__)
141 #endif /* HAVE_FREEADDRINFO */
142 
143 /* sclose is probably already defined, redefine it! */
144 #undef sclose
145 #define sclose(sockfd) curl_sclose(sockfd,__LINE__,__FILE__)
146 
147 #define fake_sclose(sockfd) curl_mark_sclose(sockfd,__LINE__,__FILE__)
148 
149 #undef fopen
150 #define fopen(file,mode) curl_fopen(file,mode,__LINE__,__FILE__)
151 #undef fdopen
152 #define fdopen(file,mode) curl_fdopen(file,mode,__LINE__,__FILE__)
153 #define fclose(file) curl_fclose(file,__LINE__,__FILE__)
154 
155 #endif /* MEMDEBUG_NODEFINES */
156 
157 #endif /* CURLDEBUG */
158 
159 /*
160 ** Following section applies even when CURLDEBUG is not defined.
161 */
162 
163 #ifndef fake_sclose
164 #define fake_sclose(x)  Curl_nop_stmt
165 #endif
166 
167 /*
168  * Curl_safefree defined as a macro to allow MemoryTracking feature
169  * to log free() calls at same location where Curl_safefree is used.
170  * This macro also assigns NULL to given pointer when free'd.
171  */
172 
173 #define Curl_safefree(ptr) \
174   do { free((ptr)); (ptr) = NULL;} WHILE_FALSE
175 
176 #endif /* HEADER_CURL_MEMDEBUG_H */
177