database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-07-29 08:01:23 +03:00
Code Activity

Fix problem in sqlar_uncompress() when being used to extract symbolic links.

Browse Source 
FossilOrigin-Name: 4d90c3f179a3d7355b6b0202faf56f0be4be56986920576e528208cb84daa4af
This commit is contained in:
dan
2024-05-06 11:27:47 +00:00
parent 1aa94b5821
commit 1002bcff43
3 changed files with 12 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
ext/misc/sqlar.c
View File

@ -81,7 +81,7 @@ static void sqlarUncompressFunc(
sqlite3_value **argv
){
uLong nData;
uLongf sz;
sqlite3_int64 sz;
assert( argc==2 );
sz = sqlite3_value_int(argv[1]);
@ -89,14 +89,15 @@ static void sqlarUncompressFunc(
if( sz<=0 || sz==(nData = sqlite3_value_bytes(argv[0])) ){
sqlite3_result_value(context, argv[0]);
}else{
uLongf szf = sz;
const Bytef *pData= sqlite3_value_blob(argv[0]);
Bytef *pOut = sqlite3_malloc(sz);
if( pOut==0 ){
sqlite3_result_error_nomem(context);
}else if( Z_OK!=uncompress(pOut, &sz, pData, nData) ){
}else if( Z_OK!=uncompress(pOut, &szf, pData, nData) ){
sqlite3_result_error(context, "error in uncompress()", -1);
}else{
sqlite3_result_blob(context, pOut, sz, SQLITE_TRANSIENT);
sqlite3_result_blob(context, pOut, szf, SQLITE_TRANSIENT);
}
sqlite3_free(pOut);
}