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Overview
| Comment: | Work around a bug in the definition of "ino_t" on some versions of Android. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
8df492c1711bfea250264fdaa4892e08 |
| User & Date: | drh 2016-12-05 20:06:45 |
Context
|
2016-12-05
| ||
| 20:16 | Fix a harmless redundant local variable declaration in the date/time function logic. check-in: b4bc40d1 user: drh tags: trunk | |
| 20:06 | Work around a bug in the definition of "ino_t" on some versions of Android. check-in: 8df492c1 user: drh tags: trunk | |
|
2016-12-02
| ||
| 19:07 | Simplify the date/time function logic for improved rebustness and also to decrease the size of the binary. check-in: 6e144735 user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
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** to locate a particular unixInodeInfo object.
*/
struct unixFileId {
dev_t dev; /* Device number */
#if OS_VXWORKS
struct vxworksFileId *pId; /* Unique file ID for vxworks. */
#else
ino_t ino; /* Inode number */
#endif
};
/*
** An instance of the following structure is allocated for each open
** inode. Or, on LinuxThreads, there is one of these structures for
** each inode opened by each thread.
................................................................................
#endif
memset(&fileId, 0, sizeof(fileId));
fileId.dev = statbuf.st_dev;
#if OS_VXWORKS
fileId.pId = pFile->pId;
#else
fileId.ino = statbuf.st_ino;
#endif
pInode = inodeList;
while( pInode && memcmp(&fileId, &pInode->fileId, sizeof(fileId)) ){
pInode = pInode->pNext;
}
if( pInode==0 ){
pInode = sqlite3_malloc64( sizeof(*pInode) );
................................................................................
*/
static int fileHasMoved(unixFile *pFile){
#if OS_VXWORKS
return pFile->pInode!=0 && pFile->pId!=pFile->pInode->fileId.pId;
#else
struct stat buf;
return pFile->pInode!=0 &&
(osStat(pFile->zPath, &buf)!=0 || buf.st_ino!=pFile->pInode->fileId.ino);
#endif
}
/*
** Check a unixFile that is a database. Verify the following:
**
................................................................................
** not searching for a reusable file descriptor are not dire. */
if( 0==osStat(zPath, &sStat) ){
unixInodeInfo *pInode;
unixEnterMutex();
pInode = inodeList;
while( pInode && (pInode->fileId.dev!=sStat.st_dev
|| pInode->fileId.ino!=sStat.st_ino) ){
pInode = pInode->pNext;
}
if( pInode ){
UnixUnusedFd **pp;
for(pp=&pInode->pUnused; *pp && (*pp)->flags!=flags; pp=&((*pp)->pNext));
pUnused = *pp;
if( pUnused ){
|
> > > > > > > | | > | | |
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** to locate a particular unixInodeInfo object.
*/
struct unixFileId {
dev_t dev; /* Device number */
#if OS_VXWORKS
struct vxworksFileId *pId; /* Unique file ID for vxworks. */
#else
/* We are told that some versions of Android contain a bug that
** sizes ino_t at only 32-bits instead of 64-bits. (See
** https://android-review.googlesource.com/#/c/115351/3/dist/sqlite3.c)
** To work around this, always allocate 64-bits for the inode number.
** On small machines that only have 32-bit inodes, this wastes 4 bytes,
** but that should not be a big deal. */
/* WAS: ino_t ino; */
u64 ino; /* Inode number */
#endif
};
/*
** An instance of the following structure is allocated for each open
** inode. Or, on LinuxThreads, there is one of these structures for
** each inode opened by each thread.
................................................................................
#endif
memset(&fileId, 0, sizeof(fileId));
fileId.dev = statbuf.st_dev;
#if OS_VXWORKS
fileId.pId = pFile->pId;
#else
fileId.ino = (u64)statbuf.st_ino;
#endif
pInode = inodeList;
while( pInode && memcmp(&fileId, &pInode->fileId, sizeof(fileId)) ){
pInode = pInode->pNext;
}
if( pInode==0 ){
pInode = sqlite3_malloc64( sizeof(*pInode) );
................................................................................
*/
static int fileHasMoved(unixFile *pFile){
#if OS_VXWORKS
return pFile->pInode!=0 && pFile->pId!=pFile->pInode->fileId.pId;
#else
struct stat buf;
return pFile->pInode!=0 &&
(osStat(pFile->zPath, &buf)!=0
|| (u64)buf.st_ino!=pFile->pInode->fileId.ino);
#endif
}
/*
** Check a unixFile that is a database. Verify the following:
**
................................................................................
** not searching for a reusable file descriptor are not dire. */
if( 0==osStat(zPath, &sStat) ){
unixInodeInfo *pInode;
unixEnterMutex();
pInode = inodeList;
while( pInode && (pInode->fileId.dev!=sStat.st_dev
|| pInode->fileId.ino!=(u64)sStat.st_ino) ){
pInode = pInode->pNext;
}
if( pInode ){
UnixUnusedFd **pp;
for(pp=&pInode->pUnused; *pp && (*pp)->flags!=flags; pp=&((*pp)->pNext));
pUnused = *pp;
if( pUnused ){
|