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Avoid trying to allocate a negative number of bytes of memory in the test wrapper for sqlite3_blob_read().

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FossilOrigin-Name: 739b5d9aa4eaa4191ca512d0dbf94a6bdbb12d97
This commit is contained in:
dan
2010-10-27 19:08:26 +00:00
parent 6c09b78d83
commit f1f22bcc22
3 changed files with 11 additions and 9 deletions
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6
src/test1.c
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@@ -1690,7 +1690,7 @@ static int test_blob_read(
sqlite3_blob *pBlob;
int nByte;
int iOffset;
unsigned char *zBuf;
unsigned char *zBuf = 0;
int rc;
if( objc!=4 ){
@@ -1705,7 +1705,9 @@ static int test_blob_read(
return TCL_ERROR;
}
zBuf = (unsigned char *)Tcl_Alloc(nByte);
if( nByte>0 ){
zBuf = (unsigned char *)Tcl_Alloc(nByte);
}
rc = sqlite3_blob_read(pBlob, zBuf, nByte, iOffset);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zBuf, nByte));