diff options
Diffstat (limited to 'kopete/plugins/statistics/sqlite/table.c')
-rw-r--r-- | kopete/plugins/statistics/sqlite/table.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/kopete/plugins/statistics/sqlite/table.c b/kopete/plugins/statistics/sqlite/table.c deleted file mode 100644 index d4ef2c8a..00000000 --- a/kopete/plugins/statistics/sqlite/table.c +++ /dev/null @@ -1,195 +0,0 @@ -/* -** 2001 September 15 -** -** 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 the sqlite3_get_table() and sqlite3_free_table() -** interface routines. These are just wrappers around the main -** interface routine of sqlite3_exec(). -** -** These routines are in a separate files so that they will not be linked -** if they are not used. -*/ -#include <stdlib.h> -#include <string.h> -#include "sqliteInt.h" - -/* -** This structure is used to pass data from sqlite3_get_table() through -** to the callback function is uses to build the result. -*/ -typedef struct TabResult { - char **azResult; - char *zErrMsg; - int nResult; - int nAlloc; - int nRow; - int nColumn; - int nData; - int rc; -} TabResult; - -/* -** This routine is called once for each row in the result table. Its job -** is to fill in the TabResult structure appropriately, allocating new -** memory as necessary. -*/ -static int sqlite3_get_table_cb(void *pArg, int nCol, char **argv, char **colv){ - TabResult *p = (TabResult*)pArg; - int need; - int i; - char *z; - - /* Make sure there is enough space in p->azResult to hold everything - ** we need to remember from this invocation of the callback. - */ - if( p->nRow==0 && argv!=0 ){ - need = nCol*2; - }else{ - need = nCol; - } - if( p->nData + need >= p->nAlloc ){ - char **azNew; - p->nAlloc = p->nAlloc*2 + need + 1; - azNew = realloc( p->azResult, sizeof(char*)*p->nAlloc ); - if( azNew==0 ) goto malloc_failed; - p->azResult = azNew; - } - - /* If this is the first row, then generate an extra row containing - ** the names of all columns. - */ - if( p->nRow==0 ){ - p->nColumn = nCol; - for(i=0; i<nCol; i++){ - if( colv[i]==0 ){ - z = 0; - }else{ - z = malloc( strlen(colv[i])+1 ); - if( z==0 ) goto malloc_failed; - strcpy(z, colv[i]); - } - p->azResult[p->nData++] = z; - } - }else if( p->nColumn!=nCol ){ - sqlite3SetString(&p->zErrMsg, - "sqlite3_get_table() called with two or more incompatible queries", - (char*)0); - p->rc = SQLITE_ERROR; - return 1; - } - - /* Copy over the row data - */ - if( argv!=0 ){ - for(i=0; i<nCol; i++){ - if( argv[i]==0 ){ - z = 0; - }else{ - z = malloc( strlen(argv[i])+1 ); - if( z==0 ) goto malloc_failed; - strcpy(z, argv[i]); - } - p->azResult[p->nData++] = z; - } - p->nRow++; - } - return 0; - -malloc_failed: - p->rc = SQLITE_NOMEM; - return 1; -} - -/* -** Query the database. But instead of invoking a callback for each row, -** malloc() for space to hold the result and return the entire results -** at the conclusion of the call. -** -** The result that is written to ***pazResult is held in memory obtained -** from malloc(). But the caller cannot free this memory directly. -** Instead, the entire table should be passed to sqlite3_free_table() when -** the calling procedure is finished using it. -*/ -int sqlite3_get_table( - sqlite3 *db, /* The database on which the SQL executes */ - const char *zSql, /* The SQL to be executed */ - char ***pazResult, /* Write the result table here */ - int *pnRow, /* Write the number of rows in the result here */ - int *pnColumn, /* Write the number of columns of result here */ - char **pzErrMsg /* Write error messages here */ -){ - int rc; - TabResult res; - if( pazResult==0 ){ return SQLITE_ERROR; } - *pazResult = 0; - if( pnColumn ) *pnColumn = 0; - if( pnRow ) *pnRow = 0; - res.zErrMsg = 0; - res.nResult = 0; - res.nRow = 0; - res.nColumn = 0; - res.nData = 1; - res.nAlloc = 20; - res.rc = SQLITE_OK; - res.azResult = malloc( sizeof(char*)*res.nAlloc ); - if( res.azResult==0 ) return SQLITE_NOMEM; - res.azResult[0] = 0; - rc = sqlite3_exec(db, zSql, sqlite3_get_table_cb, &res, pzErrMsg); - if( res.azResult ){ - res.azResult[0] = (char*)res.nData; - } - if( rc==SQLITE_ABORT ){ - sqlite3_free_table(&res.azResult[1]); - if( res.zErrMsg ){ - if( pzErrMsg ){ - free(*pzErrMsg); - *pzErrMsg = sqlite3_mprintf("%s",res.zErrMsg); - } - sqliteFree(res.zErrMsg); - } - db->errCode = res.rc; - return res.rc; - } - sqliteFree(res.zErrMsg); - if( rc!=SQLITE_OK ){ - sqlite3_free_table(&res.azResult[1]); - return rc; - } - if( res.nAlloc>res.nData ){ - char **azNew; - azNew = realloc( res.azResult, sizeof(char*)*(res.nData+1) ); - if( azNew==0 ){ - sqlite3_free_table(&res.azResult[1]); - return SQLITE_NOMEM; - } - res.nAlloc = res.nData+1; - res.azResult = azNew; - } - *pazResult = &res.azResult[1]; - if( pnColumn ) *pnColumn = res.nColumn; - if( pnRow ) *pnRow = res.nRow; - return rc; -} - -/* -** This routine frees the space the sqlite3_get_table() malloced. -*/ -void sqlite3_free_table( - char **azResult /* Result returned from from sqlite3_get_table() */ -){ - if( azResult ){ - int i, n; - azResult--; - if( azResult==0 ) return; - n = (int)azResult[0]; - for(i=1; i<n; i++){ if( azResult[i] ) free(azResult[i]); } - free(azResult); - } -} |