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path: root/ext/pdo_sqlite/sqlite/src/table.c
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Diffstat (limited to 'ext/pdo_sqlite/sqlite/src/table.c')
-rw-r--r--ext/pdo_sqlite/sqlite/src/table.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/ext/pdo_sqlite/sqlite/src/table.c b/ext/pdo_sqlite/sqlite/src/table.c
index c4e228361f..88a96ee6fd 100644
--- a/ext/pdo_sqlite/sqlite/src/table.c
+++ b/ext/pdo_sqlite/sqlite/src/table.c
@@ -70,17 +70,15 @@ static int sqlite3_get_table_cb(void *pArg, int nCol, char **argv, char **colv){
if( p->nRow==0 ){
p->nColumn = nCol;
for(i=0; i<nCol; i++){
- if( colv[i]==0 ){
- z = sqlite3_mprintf("");
- }else{
- z = sqlite3_mprintf("%s", colv[i]);
- }
+ z = sqlite3_mprintf("%s", colv[i]);
+ if( z==0 ) goto malloc_failed;
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);
+ sqlite3_free(p->zErrMsg);
+ p->zErrMsg = sqlite3_mprintf(
+ "sqlite3_get_table() called with two or more incompatible queries"
+ );
p->rc = SQLITE_ERROR;
return 1;
}
@@ -92,9 +90,10 @@ static int sqlite3_get_table_cb(void *pArg, int nCol, char **argv, char **colv){
if( argv[i]==0 ){
z = 0;
}else{
- z = sqlite3_malloc( strlen(argv[i])+1 );
+ int n = strlen(argv[i])+1;
+ z = sqlite3_malloc( n );
if( z==0 ) goto malloc_failed;
- strcpy(z, argv[i]);
+ memcpy(z, argv[i], n);
}
p->azResult[p->nData++] = z;
}
@@ -127,7 +126,7 @@ int sqlite3_get_table(
){
int rc;
TabResult res;
- if( pazResult==0 ){ return SQLITE_ERROR; }
+
*pazResult = 0;
if( pnColumn ) *pnColumn = 0;
if( pnRow ) *pnRow = 0;
@@ -138,27 +137,28 @@ int sqlite3_get_table(
res.nData = 1;
res.nAlloc = 20;
res.rc = SQLITE_OK;
- res.azResult = sqlite3_malloc( sizeof(char*)*res.nAlloc );
- if( res.azResult==0 ) return SQLITE_NOMEM;
+ res.azResult = sqlite3_malloc(sizeof(char*)*res.nAlloc );
+ if( res.azResult==0 ){
+ db->errCode = SQLITE_NOMEM;
+ return SQLITE_NOMEM;
+ }
res.azResult[0] = 0;
rc = sqlite3_exec(db, zSql, sqlite3_get_table_cb, &res, pzErrMsg);
- if( res.azResult ){
- assert( sizeof(res.azResult[0])>= sizeof(res.nData) );
- res.azResult[0] = (char*)res.nData;
- }
- if( rc==SQLITE_ABORT ){
+ assert( sizeof(res.azResult[0])>= sizeof(res.nData) );
+ res.azResult[0] = (char*)res.nData;
+ if( (rc&0xff)==SQLITE_ABORT ){
sqlite3_free_table(&res.azResult[1]);
if( res.zErrMsg ){
if( pzErrMsg ){
sqlite3_free(*pzErrMsg);
*pzErrMsg = sqlite3_mprintf("%s",res.zErrMsg);
}
- sqliteFree(res.zErrMsg);
+ sqlite3_free(res.zErrMsg);
}
- db->errCode = res.rc;
+ db->errCode = res.rc; /* Assume 32-bit assignment is atomic */
return res.rc;
}
- sqliteFree(res.zErrMsg);
+ sqlite3_free(res.zErrMsg);
if( rc!=SQLITE_OK ){
sqlite3_free_table(&res.azResult[1]);
return rc;
@@ -168,6 +168,7 @@ int sqlite3_get_table(
azNew = sqlite3_realloc( res.azResult, sizeof(char*)*(res.nData+1) );
if( azNew==0 ){
sqlite3_free_table(&res.azResult[1]);
+ db->errCode = SQLITE_NOMEM;
return SQLITE_NOMEM;
}
res.nAlloc = res.nData+1;
@@ -188,7 +189,7 @@ void sqlite3_free_table(
if( azResult ){
int i, n;
azResult--;
- if( azResult==0 ) return;
+ assert( azResult!=0 );
n = (int)azResult[0];
for(i=1; i<n; i++){ if( azResult[i] ) sqlite3_free(azResult[i]); }
sqlite3_free(azResult);