/* Compute a string using sqlite3_vsnprintf() with a maximum length
** of 50 bytes and add it to the hash.
*/
static void hash_step_vformat(
SHA3Context *p, /* Add content to this context */
const char *zFormat,
...
){
va_list ap;
int n;
char zBuf[50];
va_start(ap, zFormat);
sqlite3_vsnprintf(sizeof(zBuf),zBuf,zFormat,ap);
va_end(ap);
n = (int)strlen(zBuf);
SHA3Update(p, (unsigned char*)zBuf, n);
}
/*
** Add formatted text to the end of a Block object
*/
int strPrintf(Block *p, const char *zFormat, ...)
{
int nNew;
for (;;){
if (p->z){
va_list ap;
va_start(ap, zFormat);
sqlite3_vsnprintf(p->nAlloc - p->nUsed, p->z + p->nUsed, zFormat, ap);
va_end(ap);
nNew = (int)strlen(p->z + p->nUsed);
}
else{
nNew = p->nAlloc;
}
if (p->nUsed + nNew < p->nAlloc - 1){
p->nUsed += nNew;
break;
}
p->nAlloc = p->nAlloc * 2 + 1000;
p->z = sqlite3_realloc(p->z, p->nAlloc);
if (!p->z) break;
}
return !!p->z;
}
/* Report an error on a CsvReader */
static void csv_errmsg(CsvReader *p, const char *zFormat, ...){
va_list ap;
va_start(ap, zFormat);
sqlite3_vsnprintf(CSV_MXERR, p->zErr, zFormat, ap);
va_end(ap);
}