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Overview
| Comment: | Since the return value of sqlite3OsClose() is always ignored, we might as well make it "void" instead of "int", and thereby save 50 bytes in the compiled binary. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 7ee570e7a9a2159a8c0d41805c00f91c |
| User & Date: | drh 2016-04-14 13:16:58 |
Context
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2016-04-14
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| 13:35 | Rename WhereInfo.pResultSet to pDistinctSet to more accurately reflect what it represents. check-in: 53179614 user: drh tags: trunk | |
| 13:16 | Since the return value of sqlite3OsClose() is always ignored, we might as well make it "void" instead of "int", and thereby save 50 bytes in the compiled binary. check-in: 7ee570e7 user: drh tags: trunk | |
| 13:06 | Additional ".selecttrace" debugging output when the query is transformed from a DISTINCT into a GROUP BY. check-in: 5a469145 user: drh tags: trunk | |
Changes
Changes to src/os.c.
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/* ** The following routines are convenience wrappers around methods ** of the sqlite3_file object. This is mostly just syntactic sugar. All ** of this would be completely automatic if SQLite were coded using ** C++ instead of plain old C. */ int sqlite3OsClose(sqlite3_file *pId){ int rc = SQLITE_OK; if( pId->pMethods ){ rc = pId->pMethods->xClose(pId); pId->pMethods = 0; } return rc; } int sqlite3OsRead(sqlite3_file *id, void *pBuf, int amt, i64 offset){ DO_OS_MALLOC_TEST(id); return id->pMethods->xRead(id, pBuf, amt, offset); } int sqlite3OsWrite(sqlite3_file *id, const void *pBuf, int amt, i64 offset){ DO_OS_MALLOC_TEST(id); ................................................................................ *ppFile = pFile; } }else{ rc = SQLITE_NOMEM_BKPT; } return rc; } int sqlite3OsCloseFree(sqlite3_file *pFile){ int rc = SQLITE_OK; assert( pFile ); rc = sqlite3OsClose(pFile); sqlite3_free(pFile); return rc; } /* ** This function is a wrapper around the OS specific implementation of ** sqlite3_os_init(). The purpose of the wrapper is to provide the ** ability to simulate a malloc failure, so that the handling of an ** error in sqlite3_os_init() by the upper layers can be tested. |
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/* ** The following routines are convenience wrappers around methods ** of the sqlite3_file object. This is mostly just syntactic sugar. All ** of this would be completely automatic if SQLite were coded using ** C++ instead of plain old C. */ void sqlite3OsClose(sqlite3_file *pId){ if( pId->pMethods ){ pId->pMethods->xClose(pId); pId->pMethods = 0; } } int sqlite3OsRead(sqlite3_file *id, void *pBuf, int amt, i64 offset){ DO_OS_MALLOC_TEST(id); return id->pMethods->xRead(id, pBuf, amt, offset); } int sqlite3OsWrite(sqlite3_file *id, const void *pBuf, int amt, i64 offset){ DO_OS_MALLOC_TEST(id); ................................................................................ *ppFile = pFile; } }else{ rc = SQLITE_NOMEM_BKPT; } return rc; } void sqlite3OsCloseFree(sqlite3_file *pFile){ assert( pFile ); sqlite3OsClose(pFile); sqlite3_free(pFile); } /* ** This function is a wrapper around the OS specific implementation of ** sqlite3_os_init(). The purpose of the wrapper is to provide the ** ability to simulate a malloc failure, so that the handling of an ** error in sqlite3_os_init() by the upper layers can be tested. |
Changes to src/os.h.
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** Wrapper around OS specific sqlite3_os_init() function. */ int sqlite3OsInit(void); /* ** Functions for accessing sqlite3_file methods */ int sqlite3OsClose(sqlite3_file*); int sqlite3OsRead(sqlite3_file*, void*, int amt, i64 offset); int sqlite3OsWrite(sqlite3_file*, const void*, int amt, i64 offset); int sqlite3OsTruncate(sqlite3_file*, i64 size); int sqlite3OsSync(sqlite3_file*, int); int sqlite3OsFileSize(sqlite3_file*, i64 *pSize); int sqlite3OsLock(sqlite3_file*, int); int sqlite3OsUnlock(sqlite3_file*, int); ................................................................................ int sqlite3OsCurrentTimeInt64(sqlite3_vfs *, sqlite3_int64*); /* ** Convenience functions for opening and closing files using ** sqlite3_malloc() to obtain space for the file-handle structure. */ int sqlite3OsOpenMalloc(sqlite3_vfs *, const char *, sqlite3_file **, int,int*); int sqlite3OsCloseFree(sqlite3_file *); #endif /* _SQLITE_OS_H_ */ |
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** Wrapper around OS specific sqlite3_os_init() function. */ int sqlite3OsInit(void); /* ** Functions for accessing sqlite3_file methods */ void sqlite3OsClose(sqlite3_file*); int sqlite3OsRead(sqlite3_file*, void*, int amt, i64 offset); int sqlite3OsWrite(sqlite3_file*, const void*, int amt, i64 offset); int sqlite3OsTruncate(sqlite3_file*, i64 size); int sqlite3OsSync(sqlite3_file*, int); int sqlite3OsFileSize(sqlite3_file*, i64 *pSize); int sqlite3OsLock(sqlite3_file*, int); int sqlite3OsUnlock(sqlite3_file*, int); ................................................................................ int sqlite3OsCurrentTimeInt64(sqlite3_vfs *, sqlite3_int64*); /* ** Convenience functions for opening and closing files using ** sqlite3_malloc() to obtain space for the file-handle structure. */ int sqlite3OsOpenMalloc(sqlite3_vfs *, const char *, sqlite3_file **, int,int*); void sqlite3OsCloseFree(sqlite3_file *); #endif /* _SQLITE_OS_H_ */ |
Changes to src/test_devsym.c.
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struct DevsymGlobal g = {0, 0, 512};
/*
** Close an devsym-file.
*/
static int devsymClose(sqlite3_file *pFile){
devsym_file *p = (devsym_file *)pFile;
return sqlite3OsClose(p->pReal);
}
/*
** Read data from an devsym-file.
*/
static int devsymRead(
sqlite3_file *pFile,
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struct DevsymGlobal g = {0, 0, 512};
/*
** Close an devsym-file.
*/
static int devsymClose(sqlite3_file *pFile){
devsym_file *p = (devsym_file *)pFile;
sqlite3OsClose(p->pReal);
return SQLITE_OK;
}
/*
** Read data from an devsym-file.
*/
static int devsymRead(
sqlite3_file *pFile,
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Changes to src/test_journal.c.
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closeTransaction(p);
enterJtMutex();
if( p->zName ){
for(pp=&g.pList; *pp!=p; pp=&(*pp)->pNext);
*pp = p->pNext;
}
leaveJtMutex();
return sqlite3OsClose(p->pReal);
}
/*
** Read data from an jt-file.
*/
static int jtRead(
sqlite3_file *pFile,
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closeTransaction(p);
enterJtMutex();
if( p->zName ){
for(pp=&g.pList; *pp!=p; pp=&(*pp)->pNext);
*pp = p->pNext;
}
leaveJtMutex();
sqlite3OsClose(p->pReal);
return SQLITE_OK;
}
/*
** Read data from an jt-file.
*/
static int jtRead(
sqlite3_file *pFile,
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Changes to src/test_vfs.c.
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}
/*
** Close an tvfs-file.
*/
static int tvfsClose(sqlite3_file *pFile){
int rc;
TestvfsFile *pTestfile = (TestvfsFile *)pFile;
TestvfsFd *pFd = pTestfile->pFd;
Testvfs *p = (Testvfs *)pFd->pVfs->pAppData;
if( p->pScript && p->mask&TESTVFS_CLOSE_MASK ){
tvfsExecTcl(p, "xClose",
Tcl_NewStringObj(pFd->zFilename, -1), pFd->pShmId, 0, 0
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if( pFd->pShmId ){
Tcl_DecrRefCount(pFd->pShmId);
pFd->pShmId = 0;
}
if( pFile->pMethods ){
ckfree((char *)pFile->pMethods);
}
rc = sqlite3OsClose(pFd->pReal);
ckfree((char *)pFd);
pTestfile->pFd = 0;
return rc;
}
/*
** Read data from an tvfs-file.
*/
static int tvfsRead(
sqlite3_file *pFile,
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}
/*
** Close an tvfs-file.
*/
static int tvfsClose(sqlite3_file *pFile){
TestvfsFile *pTestfile = (TestvfsFile *)pFile;
TestvfsFd *pFd = pTestfile->pFd;
Testvfs *p = (Testvfs *)pFd->pVfs->pAppData;
if( p->pScript && p->mask&TESTVFS_CLOSE_MASK ){
tvfsExecTcl(p, "xClose",
Tcl_NewStringObj(pFd->zFilename, -1), pFd->pShmId, 0, 0
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if( pFd->pShmId ){
Tcl_DecrRefCount(pFd->pShmId);
pFd->pShmId = 0;
}
if( pFile->pMethods ){
ckfree((char *)pFile->pMethods);
}
sqlite3OsClose(pFd->pReal);
ckfree((char *)pFd);
pTestfile->pFd = 0;
return SQLITE_OK;
}
/*
** Read data from an tvfs-file.
*/
static int tvfsRead(
sqlite3_file *pFile,
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