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Overview
| Comment: | Fix harmless compiler warnings in zipfile.c. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | 8f7a592f8c044d75b4615a95e2745410 |
| User & Date: | drh 2018-01-13 23:28:33 |
Context
|
2018-01-14
| ||
| 20:12 | Avoid excess stack usage when a VALUES clause with lots of rows occurs within a scalar expression. This fixes a problem discovered by OSSFuzz. check-in: a4fa0581 user: drh tags: trunk | |
|
2018-01-13
| ||
| 23:28 | Fix harmless compiler warnings in zipfile.c. check-in: 8f7a592f user: drh tags: trunk | |
| 19:08 | Support UPDATE statements against zipfile virtual tables. check-in: f2d2a5df user: dan tags: trunk | |
Changes
Changes to ext/misc/zipfile.c.
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int bIsDir = 0;
assert( pTab->zFile );
assert( pTab->pWriteFd );
if( sqlite3_value_type(apVal[0])!=SQLITE_NULL ){
const char *zDelete = (const char*)sqlite3_value_text(apVal[0]);
int nDelete = strlen(zDelete);
for(pOld=pTab->pFirstEntry; 1; pOld=pOld->pNext){
if( pOld->bDeleted ) continue;
if( zipfileComparePath(pOld->zPath, zDelete, nDelete)==0 ){
pOld->bDeleted = 1;
break;
}
assert( pOld->pNext );
................................................................................
}
if( sqlite3_value_nochange(apVal[5]) && sqlite3_value_nochange(apVal[6])
&& sqlite3_value_nochange(apVal[7]) && sqlite3_value_nochange(apVal[8])
){
/* Reuse the data from the existing entry. */
FILE *pFile = pTab->pWriteFd;
ZipfileCDS cds;
zipfileReadCDS(pOld->aCdsEntry, &cds);
bIsDir = ((cds.iExternalAttr>>16) & S_IFDIR) ? 1 : 0;
sz = cds.szUncompressed;
iMethod = cds.iCompression;
if( sz>0 ){
char **pzErr = &pTab->base.zErrMsg;
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int bIsDir = 0;
assert( pTab->zFile );
assert( pTab->pWriteFd );
if( sqlite3_value_type(apVal[0])!=SQLITE_NULL ){
const char *zDelete = (const char*)sqlite3_value_text(apVal[0]);
int nDelete = (int)strlen(zDelete);
for(pOld=pTab->pFirstEntry; 1; pOld=pOld->pNext){
if( pOld->bDeleted ) continue;
if( zipfileComparePath(pOld->zPath, zDelete, nDelete)==0 ){
pOld->bDeleted = 1;
break;
}
assert( pOld->pNext );
................................................................................
}
if( sqlite3_value_nochange(apVal[5]) && sqlite3_value_nochange(apVal[6])
&& sqlite3_value_nochange(apVal[7]) && sqlite3_value_nochange(apVal[8])
){
/* Reuse the data from the existing entry. */
FILE *pFile = pTab->pWriteFd;
zipfileReadCDS(pOld->aCdsEntry, &cds);
bIsDir = ((cds.iExternalAttr>>16) & S_IFDIR) ? 1 : 0;
sz = cds.szUncompressed;
iMethod = cds.iCompression;
if( sz>0 ){
char **pzErr = &pTab->base.zErrMsg;
|