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Add support for databases larger than 2GB under Unix. Must be compiled

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with -D_FILE_OFFSET_BITS=64 and -D_LARGEFILE_SOURCE in order to work with
larger databases. (CVS 778)

FossilOrigin-Name: a3f67fe9121ca4655510094fe775b8603a87800e
This commit is contained in:
drh
2002-11-05 23:03:02 +00:00
parent 647cb0e159
commit 28be87c7c4
5 changed files with 38 additions and 32 deletions
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24
src/os.c
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@@ -22,7 +22,14 @@
# include <fcntl.h>
# include <sys/stat.h>
# include <time.h>
# ifndef O_LARGEFILE
# define O_LARGEFILE 0
# endif
# ifndef O_NOFOLLOW
# define O_NOFOLLOW 0
# endif
#endif
#if OS_WIN
# include <winbase.h>
#endif
@@ -232,9 +239,9 @@ int sqliteOsOpenReadWrite(
int *pReadonly
){
#if OS_UNIX
id->fd = open(zFilename, O_RDWR|O_CREAT, 0644);
id->fd = open(zFilename, O_RDWR|O_CREAT|O_LARGEFILE, 0644);
if( id->fd<0 ){
id->fd = open(zFilename, O_RDONLY);
id->fd = open(zFilename, O_RDONLY|O_LARGEFILE);
if( id->fd<0 ){
return SQLITE_CANTOPEN;
}
@@ -303,10 +310,7 @@ int sqliteOsOpenExclusive(const char *zFilename, OsFile *id, int delFlag){
if( access(zFilename, 0)==0 ){
return SQLITE_CANTOPEN;
}
#ifndef O_NOFOLLOW
# define O_NOFOLLOW 0
#endif
id->fd = open(zFilename, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW, 0600);
id->fd = open(zFilename, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW|O_LARGEFILE, 0600);
if( id->fd<0 ){
return SQLITE_CANTOPEN;
}
@@ -359,7 +363,7 @@ int sqliteOsOpenExclusive(const char *zFilename, OsFile *id, int delFlag){
*/
int sqliteOsOpenReadOnly(const char *zFilename, OsFile *id){
#if OS_UNIX
id->fd = open(zFilename, O_RDONLY);
id->fd = open(zFilename, O_RDONLY|O_LARGEFILE);
if( id->fd<0 ){
return SQLITE_CANTOPEN;
}
@@ -536,7 +540,7 @@ int sqliteOsWrite(OsFile *id, const void *pBuf, int amt){
/*
** Move the read/write pointer in a file.
*/
int sqliteOsSeek(OsFile *id, int offset){
int sqliteOsSeek(OsFile *id, off_t offset){
SEEK(offset/1024 + 1);
#if OS_UNIX
lseek(id->fd, offset, SEEK_SET);
@@ -573,7 +577,7 @@ int sqliteOsSync(OsFile *id){
/*
** Truncate an open file to a specified size
*/
int sqliteOsTruncate(OsFile *id, int nByte){
int sqliteOsTruncate(OsFile *id, off_t nByte){
SimulateIOError(SQLITE_IOERR);
#if OS_UNIX
return ftruncate(id->fd, nByte)==0 ? SQLITE_OK : SQLITE_IOERR;
@@ -588,7 +592,7 @@ int sqliteOsTruncate(OsFile *id, int nByte){
/*
** Determine the current size of a file in bytes
*/
int sqliteOsFileSize(OsFile *id, int *pSize){
int sqliteOsFileSize(OsFile *id, off_t *pSize){
#if OS_UNIX
struct stat buf;
SimulateIOError(SQLITE_IOERR);