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htsbase.h
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2006-01-21
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/* ------------------------------------------------------------ */
/*
HTTrack Website Copier, Offline Browser for Windows and Unix
Copyright (C) Xavier Roche and other contributors
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Important notes:
- We hereby ask people using this source NOT to use it in purpose of grabbing
emails addresses, or collecting any other private information on persons.
This would disgrace our work, and spoil the many hours we spent on it.
Please visit our Website: http://www.httrack.com
*/
/* ------------------------------------------------------------ */
/* File: Basic definitions */
/* Used in .c files for basic (malloc() ..) definitions */
/* Author: Xavier Roche */
/* ------------------------------------------------------------ */
#ifndef HTS_BASICH
#define HTS_BASICH
#ifdef __cplusplus
extern "C" {
#endif
#include "htsglobal.h"
#include <string.h>
#include <time.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#ifndef _WIN32
#include <errno.h>
#endif
#if HTS_WIN
#else
#include <fcntl.h>
#endif
#include <assert.h>
#undef min
#undef max
#define min(a,b) ((a)>(b)?(b):(a))
#define max(a,b) ((a)>(b)?(a):(b))
#ifndef _WIN32
#undef Sleep
#define min(a,b) ((a)>(b)?(b):(a))
#define max(a,b) ((a)>(b)?(a):(b))
#define Sleep(a) { if (((a)*1000)%1000000) usleep(((a)*1000)%1000000); if (((a)*1000)/1000000) sleep(((a)*1000)/1000000); }
#endif
// teste ΘgalitΘ de 2 chars, case insensitive
#define hichar(a) ((((a)>='a') && ((a)<='z')) ? ((a)-('a'-'A')) : (a))
#define streql(a,b) (hichar(a)==hichar(b))
// caractΦre maj
#define isUpperLetter(a) ( ((a) >= 'A') && ((a) <= 'Z') )
/* Library internal definictions */
#ifdef HTS_INTERNAL_BYTECODE
// functions
#ifdef _WIN32
#define DynamicGet(handle, sym) GetProcAddress(handle, sym)
#else
#define DynamicGet(handle, sym) dlsym(handle, sym)
#endif
// emergency log
typedef void (*t_abortLog)(char* msg, char* file, int line);
extern HTSEXT_API t_abortLog abortLog__;
#define abortLog(a) abortLog__(a, __FILE__, __LINE__)
#define _ ,
#ifndef _WIN32_WCE
#define abortLogFmt(a) do { \
FILE* fp = fopen("CRASH.TXT", "wb"); \
if (!fp) fp = fopen("/tmp/CRASH.TXT", "wb"); \
if (!fp) fp = fopen("C:\\CRASH.TXT", "wb"); \
if (!fp) fp = fopen("\\Temp\\CRASH.TXT", "wb"); \
if (!fp) fp = fopen("\\CRASH.TXT", "wb"); \
if (!fp) fp = fopen("CRASH.TXT", "wb"); \
if (fp) { \
fprintf(fp, "HTTrack " HTTRACK_VERSIONID " closed at '" __FILE__ "', line %d\r\n", __LINE__); \
fprintf(fp, "Reason:\r\n"); \
fprintf(fp, a); \
fprintf(fp, "\r\n"); \
fflush(fp); \
fclose(fp); \
} \
} while(0)
#else
#define abortLogFmt(a) do { \
XCEShowMessageA("HTTrack " HTTRACK_VERSIONID " closed at '" __FILE__ "', line %d\r\nReason:\r\n%s\r\n", __LINE__, a); \
} while(0)
#endif
#define assertf(exp) do { \
if (! ( exp ) ) { \
abortLog("assert failed: " #exp); \
if (htsCallbackErr != NULL) { \
htsCallbackErr("assert failed: " #exp, __FILE__ , __LINE__ ); \
} \
assert(exp); \
abort(); \
} \
} while(0)
/* non-fatal assert */
#define assertnf(exp) do { \
if (! ( exp ) ) { \
abortLog("assert failed: " #exp); \
if (htsCallbackErr != NULL) { \
htsCallbackErr("assert failed: " #exp, __FILE__ , __LINE__ ); \
} \
} \
} while(0)
/* regular malloc's() */
#ifndef HTS_TRACE_MALLOC
#define malloct(A) malloc(A)
#define calloct(A,B) calloc((A), (B))
#define freet(A) do { assertnf((A) != NULL); if ((A) != NULL) { free(A); (A) = NULL; } } while(0)
#define strdupt(A) strdup(A)
#define realloct(A,B) ( ((A) != NULL) ? realloc((A), (B)) : malloc(B) )
#define memcpybuff(A, B, N) memcpy((A), (B), (N))
#else
/* debug version */
#define malloct(A) hts_malloc(A)
#define calloct(A,B) hts_calloc(A,B)
#define strdupt(A) hts_strdup(A)
#define freet(A) do { hts_free(A); (A) = NULL; } while(0)
#define realloct(A,B) hts_realloc(A,B)
void hts_freeall();
void* hts_malloc (size_t);
void* hts_calloc(size_t,size_t);
char* hts_strdup(char*);
void* hts_xmalloc(size_t,size_t);
void hts_free (void*);
void* hts_realloc (void*,size_t);
mlink* hts_find(char* adr);
/* protected memcpy */
#define memcpybuff(A, B, N) do { \
mlink* lnk = hts_find((void*)(A)); \
if (lnk != NULL) { \
assertf(lnk != NULL); \
assertf( * ( (t_htsboundary*) ( ((char*) lnk->adr) - sizeof(htsboundary) ) ) == htsboundary ); \
assertf( * ( (t_htsboundary*) ( ((char*) lnk->adr) + lnk->len ) ) == htsboundary ); \
assertf( ( ((char*)(A)) + (N)) < (char*) (lnk->adr + lnk->len) ); \
} \
memcpy(A, B, N); \
} while(0)
#endif
typedef void (* htsErrorCallback)(char* msg, char* file, int line);
extern HTSEXT_API htsErrorCallback htsCallbackErr;
extern HTSEXT_API int htsMemoryFastXfr;
/*
*/
#ifdef STRDEBUG
/* protected strcat, strncat and strcpy - definitely useful */
#define strcatbuff(A, B) do { \
assertf( (A) != NULL ); \
if ( ! (B) ) { assertf( 0 ); } \
if (htsMemoryFastXfr) { \
if (sizeof(A) != sizeof(char*)) { \
(A)[sizeof(A) - 1] = '\0'; \
} \
strcat(A, B); \
if (sizeof(A) != sizeof(char*)) { \
assertf((A)[sizeof(A) - 1] == '\0'); \
} \
} else { \
unsigned int sz = (unsigned int) strlen(A); \
unsigned int szf = (unsigned int) strlen(B); \
if (sizeof(A) != sizeof(char*)) { \
assertf(sz + szf + 1 < sizeof(A)); \
if (szf > 0) { \
if (sz + szf + 1 < sizeof(A)) { \
memcpy((A) + sz, (B), szf + 1); \
} \
} \
} else if (szf > 0) { \
memcpybuff((A) + sz, (B), szf + 1); \
} \
} \
} while(0)
#define strncatbuff(A, B, N) do { \
assertf( (A) != NULL ); \
if ( ! (B) ) { assertf( 0 ); } \
if (htsMemoryFastXfr) { \
if (sizeof(A) != sizeof(char*)) { \
(A)[sizeof(A) - 1] = '\0'; \
} \
strncat(A, B, N); \
if (sizeof(A) != sizeof(char*)) { \
assertf((A)[sizeof(A) - 1] == '\0'); \
} \
} else { \
unsigned int sz = (unsigned int) strlen(A); \
unsigned int szf = (unsigned int) strlen(B); \
if (szf > (unsigned int) (N)) szf = (unsigned int) (N); \
if (sizeof(A) != sizeof(char*)) { \
assertf(sz + szf + 1 < sizeof(A)); \
if (szf > 0) { \
if (sz + szf + 1 < sizeof(A)) { \
memcpy((A) + sz, (B), szf); \
* ( (A) + sz + szf) = '\0'; \
} \
} \
} else if (szf > 0) { \
memcpybuff((A) + sz, (B), szf); \
* ( (A) + sz + szf) = '\0'; \
} \
} \
} while(0)
#define strcpybuff(A, B) do { \
assertf( (A) != NULL ); \
if ( ! (B) ) { assertf( 0 ); } \
if (htsMemoryFastXfr) { \
if (sizeof(A) != sizeof(char*)) { \
(A)[sizeof(A) - 1] = '\0'; \
} \
strcpy(A, B); \
if (sizeof(A) != sizeof(char*)) { \
assertf((A)[sizeof(A) - 1] == '\0'); \
} \
} else { \
unsigned int szf = (unsigned int) strlen(B); \
if (sizeof(A) != sizeof(char*)) { \
assertf(szf + 1 < sizeof(A)); \
if (szf > 0) { \
if (szf + 1 < sizeof(A)) { \
memcpy((A), (B), szf + 1); \
} else { \
* (A) = '\0'; \
} \
} else { \
* (A) = '\0'; \
} \
} else { \
memcpybuff((A), (B), szf + 1); \
} \
} \
} while(0)
#else
#ifdef STRDEBUGFAST
/* protected strcat, strncat and strcpy - definitely useful */
#define strcatbuff(A, B) do { \
assertf( (A) != NULL ); \
if ( ! (B) ) { assertf( 0 ); } \
if (sizeof(A) != sizeof(char*)) { \
(A)[sizeof(A) - 1] = '\0'; \
} \
strcat(A, B); \
if (sizeof(A) != sizeof(char*)) { \
assertf((A)[sizeof(A) - 1] == '\0'); \
} \
} while(0)
#define strncatbuff(A, B, N) do { \
assertf( (A) != NULL ); \
if ( ! (B) ) { assertf( 0 ); } \
if (sizeof(A) != sizeof(char*)) { \
(A)[sizeof(A) - 1] = '\0'; \
} \
strncat(A, B, N); \
if (sizeof(A) != sizeof(char*)) { \
assertf((A)[sizeof(A) - 1] == '\0'); \
} \
} while(0)
#define strcpybuff(A, B) do { \
assertf( (A) != NULL ); \
if ( ! (B) ) { assertf( 0 ); } \
if (sizeof(A) != sizeof(char*)) { \
(A)[sizeof(A) - 1] = '\0'; \
} \
strcpy(A, B); \
if (sizeof(A) != sizeof(char*)) { \
assertf((A)[sizeof(A) - 1] == '\0'); \
} \
} while(0)
#else
#define strcatbuff strcat
#define strncatbuff strncat
#define strcpybuff strcpy
#endif
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif