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Overview
Comment:Handle failures of getcwd() without segfaulting. Ticket #1274. (CVS 2491)
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SHA1:c1bd0a150c2c734b1ef991361f4eb41feb2ec578
User & Date: drh 2005-06-06 15:07:03
Context
2005-12-19
17:37
Backport the fix for ticket #1567 to version 2.8. (CVS 2832) check-in: 3f5f358f user: drh tags: version_2
2005-06-06
15:07
Handle failures of getcwd() without segfaulting. Ticket #1274. (CVS 2491) check-in: c1bd0a15 user: drh tags: version_2
2005-02-16
03:53
The ".dump" method in the shell for version 2 should not sort tables by name because this can put views out of dependency order. Ticket #1124. (CVS 2347) check-in: b82c06fd user: drh tags: version_2
Changes
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Changes to src/os.c.

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char *sqliteOsFullPathname(const char *zRelative){
#if OS_UNIX
  char *zFull = 0;
  if( zRelative[0]=='/' ){
    sqliteSetString(&zFull, zRelative, (char*)0);
  }else{
    char zBuf[5000];

    sqliteSetString(&zFull, getcwd(zBuf, sizeof(zBuf)), "/", zRelative,
                    (char*)0);
  }
  return zFull;
#endif
#if OS_WIN
  char *zNotUsed;







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char *sqliteOsFullPathname(const char *zRelative){
#if OS_UNIX
  char *zFull = 0;
  if( zRelative[0]=='/' ){
    sqliteSetString(&zFull, zRelative, (char*)0);
  }else{
    char zBuf[5000];
    zBuf[0] = 0;
    sqliteSetString(&zFull, getcwd(zBuf, sizeof(zBuf)), "/", zRelative,
                    (char*)0);
  }
  return zFull;
#endif
#if OS_WIN
  char *zNotUsed;

Changes to src/sqliteInt.h.

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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.220.2.1 2004/07/15 13:37:05 drh Exp $
*/
#include "config.h"
#include "sqlite.h"
#include "hash.h"
#include "parse.h"
#include "btree.h"
#include <stdio.h>
................................................................................
  void *sqliteRealloc(void*,int);
  char *sqliteStrDup(const char*);
  char *sqliteStrNDup(const char*, int);
# define sqliteCheckMemory(a,b)
#endif
char *sqliteMPrintf(const char*, ...);
char *sqliteVMPrintf(const char*, va_list);
void sqliteSetString(char **, const char *, ...);
void sqliteSetNString(char **, ...);
void sqliteErrorMsg(Parse*, const char*, ...);
void sqliteDequote(char*);
int sqliteKeywordCode(const char*, int);
int sqliteRunParser(Parse*, const char*, char **);
void sqliteExec(Parse*);
Expr *sqliteExpr(int, Expr*, Expr*, Token*);







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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.220.2.2 2005/06/06 15:07:03 drh Exp $
*/
#include "config.h"
#include "sqlite.h"
#include "hash.h"
#include "parse.h"
#include "btree.h"
#include <stdio.h>
................................................................................
  void *sqliteRealloc(void*,int);
  char *sqliteStrDup(const char*);
  char *sqliteStrNDup(const char*, int);
# define sqliteCheckMemory(a,b)
#endif
char *sqliteMPrintf(const char*, ...);
char *sqliteVMPrintf(const char*, va_list);
void sqliteSetString(char **, ...);
void sqliteSetNString(char **, ...);
void sqliteErrorMsg(Parse*, const char*, ...);
void sqliteDequote(char*);
int sqliteKeywordCode(const char*, int);
int sqliteRunParser(Parse*, const char*, char **);
void sqliteExec(Parse*);
Expr *sqliteExpr(int, Expr*, Expr*, Token*);

Changes to src/util.c.

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**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.74.2.1 2004/07/15 13:08:41 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
#include <ctype.h>

/*
** If malloc() ever fails, this global variable gets set to 1.
................................................................................
/*
** Create a string from the 2nd and subsequent arguments (up to the
** first NULL argument), store the string in memory obtained from
** sqliteMalloc() and make the pointer indicated by the 1st argument
** point to that string.  The 1st argument must either be NULL or 
** point to memory obtained from sqliteMalloc().
*/
void sqliteSetString(char **pz, const char *zFirst, ...){
  va_list ap;
  int nByte;
  const char *z;
  char *zResult;

  if( pz==0 ) return;
  nByte = strlen(zFirst) + 1;
  va_start(ap, zFirst);
  while( (z = va_arg(ap, const char*))!=0 ){
    nByte += strlen(z);
  }
  va_end(ap);
  sqliteFree(*pz);
  *pz = zResult = sqliteMallocRaw( nByte );
  if( zResult==0 ){
    return;
  }
  strcpy(zResult, zFirst);
  zResult += strlen(zResult);
  va_start(ap, zFirst);
  while( (z = va_arg(ap, const char*))!=0 ){
    strcpy(zResult, z);
    zResult += strlen(zResult);
  }
  va_end(ap);
#ifdef MEMORY_DEBUG
#if MEMORY_DEBUG>1







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**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.74.2.2 2005/06/06 15:07:03 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
#include <ctype.h>

/*
** If malloc() ever fails, this global variable gets set to 1.
................................................................................
/*
** Create a string from the 2nd and subsequent arguments (up to the
** first NULL argument), store the string in memory obtained from
** sqliteMalloc() and make the pointer indicated by the 1st argument
** point to that string.  The 1st argument must either be NULL or 
** point to memory obtained from sqliteMalloc().
*/
void sqliteSetString(char **pz, ...){
  va_list ap;
  int nByte;
  const char *z;
  char *zResult;

  if( pz==0 ) return;
  nByte = 1;
  va_start(ap, pz);
  while( (z = va_arg(ap, const char*))!=0 ){
    nByte += strlen(z);
  }
  va_end(ap);
  sqliteFree(*pz);
  *pz = zResult = sqliteMallocRaw( nByte );
  if( zResult==0 ){
    return;
  }

  *zResult = 0;
  va_start(ap, pz);
  while( (z = va_arg(ap, const char*))!=0 ){
    strcpy(zResult, z);
    zResult += strlen(zResult);
  }
  va_end(ap);
#ifdef MEMORY_DEBUG
#if MEMORY_DEBUG>1