diff options
Diffstat (limited to 'chromium/third_party/sqlite/sqlite-src-3240000/src/test_delete.c')
| -rw-r--r-- | chromium/third_party/sqlite/sqlite-src-3240000/src/test_delete.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/chromium/third_party/sqlite/sqlite-src-3240000/src/test_delete.c b/chromium/third_party/sqlite/sqlite-src-3240000/src/test_delete.c deleted file mode 100644 index 68fdbc6a757..00000000000 --- a/chromium/third_party/sqlite/sqlite-src-3240000/src/test_delete.c +++ /dev/null @@ -1,156 +0,0 @@ -/* -** 2016 September 10 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** 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. -** -************************************************************************* -** This file contains test code to delete an SQLite database and all -** of its associated files. Associated files include: -** -** * The journal file. -** * The wal file. -** * The SQLITE_ENABLE_8_3_NAMES version of the db, journal or wal files. -** * Files created by the test_multiplex.c module to extend any of the -** above. -*/ - -#ifndef SQLITE_OS_WIN -# include <unistd.h> -# include <errno.h> -#endif -#include <string.h> -#include <assert.h> -#include "sqlite3.h" - -/* The following #defines are copied from test_multiplex.c */ -#ifndef MX_CHUNK_NUMBER -# define MX_CHUNK_NUMBER 299 -#endif -#ifndef SQLITE_MULTIPLEX_JOURNAL_8_3_OFFSET -# define SQLITE_MULTIPLEX_JOURNAL_8_3_OFFSET 400 -#endif -#ifndef SQLITE_MULTIPLEX_WAL_8_3_OFFSET -# define SQLITE_MULTIPLEX_WAL_8_3_OFFSET 700 -#endif - -/* -** This routine is a copy of (most of) the code from SQLite function -** sqlite3FileSuffix3(). It modifies the filename in buffer z in the -** same way as SQLite does when in 8.3 filenames mode. -*/ -static void sqlite3Delete83Name(char *z){ - int i, sz; - sz = (int)strlen(z); - for(i=sz-1; i>0 && z[i]!='/' && z[i]!='.'; i--){} - if( z[i]=='.' && (sz>i+4) ) memmove(&z[i+1], &z[sz-3], 4); -} - -/* -** zFile is a filename. Assuming no error occurs, if this file exists, -** set *pbExists to true and unlink it. Or, if the file does not exist, -** set *pbExists to false before returning. -** -** If an error occurs, non-zero is returned. Or, if no error occurs, zero. -*/ -static int sqlite3DeleteUnlinkIfExists( - sqlite3_vfs *pVfs, - const char *zFile, - int *pbExists -){ - int rc = SQLITE_ERROR; -#if SQLITE_OS_WIN - if( pVfs ){ - if( pbExists ) *pbExists = 1; - rc = pVfs->xDelete(pVfs, zFile, 0); - if( rc==SQLITE_IOERR_DELETE_NOENT ){ - if( pbExists ) *pbExists = 0; - rc = SQLITE_OK; - } - } -#else - assert( pVfs==0 ); - rc = access(zFile, F_OK); - if( rc ){ - if( errno==ENOENT ){ - if( pbExists ) *pbExists = 0; - rc = SQLITE_OK; - } - }else{ - if( pbExists ) *pbExists = 1; - rc = unlink(zFile); - } -#endif - return rc; -} - -/* -** Delete the database file identified by the string argument passed to this -** function. The string must contain a filename, not an SQLite URI. -*/ -SQLITE_API int sqlite3_delete_database( - const char *zFile /* File to delete */ -){ - char *zBuf; /* Buffer to sprintf() filenames to */ - int nBuf; /* Size of buffer in bytes */ - int rc = 0; /* System error code */ - int i; /* Iterate through azFmt[] and aMFile[] */ - - const char *azFmt[] = { "%s", "%s-journal", "%s-wal", "%s-shm" }; - - struct MFile { - const char *zFmt; - int iOffset; - int b83; - } aMFile[] = { - { "%s%03d", 0, 0 }, - { "%s-journal%03d", 0, 0 }, - { "%s-wal%03d", 0, 0 }, - { "%s%03d", 0, 1 }, - { "%s-journal%03d", SQLITE_MULTIPLEX_JOURNAL_8_3_OFFSET, 1 }, - { "%s-wal%03d", SQLITE_MULTIPLEX_WAL_8_3_OFFSET, 1 }, - }; - -#ifdef SQLITE_OS_WIN - sqlite3_vfs *pVfs = sqlite3_vfs_find("win32"); -#else - sqlite3_vfs *pVfs = 0; -#endif - - /* Allocate a buffer large enough for any of the files that need to be - ** deleted. */ - nBuf = (int)strlen(zFile) + 100; - zBuf = (char*)sqlite3_malloc(nBuf); - if( zBuf==0 ) return SQLITE_NOMEM; - - /* Delete both the regular and 8.3 filenames versions of the database, - ** journal, wal and shm files. */ - for(i=0; rc==0 && i<sizeof(azFmt)/sizeof(azFmt[0]); i++){ - sqlite3_snprintf(nBuf, zBuf, azFmt[i], zFile); - rc = sqlite3DeleteUnlinkIfExists(pVfs, zBuf, 0); - if( rc==0 && i!=0 ){ - sqlite3Delete83Name(zBuf); - rc = sqlite3DeleteUnlinkIfExists(pVfs, zBuf, 0); - } - } - - /* Delete any multiplexor files */ - for(i=0; rc==0 && i<sizeof(aMFile)/sizeof(aMFile[0]); i++){ - struct MFile *p = &aMFile[i]; - int iChunk; - for(iChunk=1; iChunk<=MX_CHUNK_NUMBER; iChunk++){ - int bExists; - sqlite3_snprintf(nBuf, zBuf, p->zFmt, zFile, iChunk+p->iOffset); - if( p->b83 ) sqlite3Delete83Name(zBuf); - rc = sqlite3DeleteUnlinkIfExists(pVfs, zBuf, &bExists); - if( bExists==0 || rc!=0 ) break; - } - } - - sqlite3_free(zBuf); - return (rc ? SQLITE_ERROR : SQLITE_OK); -} |