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Never use strlen(). Use our own internal sqlite3Strlen30() which is

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guaranteed to never overflow an integer.  Additional explicit casts to
avoid nuisance warning messages. (CVS 6007)

FossilOrigin-Name: c872d554930ecf221ac2be5f886d5d67bb35288c
This commit is contained in:
drh
2008-12-10 19:26:22 +00:00
parent b27b7f5d3b
commit ea6788322e
35 changed files with 300 additions and 250 deletions
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6
src/random.c
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@@ -15,7 +15,7 @@
** Random numbers are used by some of the database backends in order
** to generate random integer keys for tables or random filenames.
**
** $Id: random.c,v 1.28 2008/12/08 18:19:18 drh Exp $
** $Id: random.c,v 1.29 2008/12/10 19:26:24 drh Exp $
*/
#include "sqliteInt.h"
@@ -45,7 +45,7 @@ static SQLITE_WSD struct sqlite3PrngType {
** (Later): Actually, OP_NewRowid does not depend on a good source of
** randomness any more. But we will leave this code in all the same.
*/
static int randomByte(void){
static u8 randomByte(void){
unsigned char t;
@@ -79,7 +79,7 @@ static int randomByte(void){
wsdPrng.i = 0;
sqlite3OsRandomness(sqlite3_vfs_find(0), 256, k);
for(i=0; i<256; i++){
wsdPrng.s[i] = i;
wsdPrng.s[i] = (u8)i;
}
for(i=0; i<256; i++){
wsdPrng.j += wsdPrng.s[i] + k[i];