Commit fa2e68aa authored by Sergei Golubchik's avatar Sergei Golubchik

main.partition_myisam crashes in embedded.

long error message with %M fails the assertion in my_vsnprintf
parent 6ac52386
......@@ -670,20 +670,21 @@ size_t my_vsnprintf_ex(CHARSET_INFO *cs, char *to, size_t n,
int larg= va_arg(ap, int);
to= process_int_arg(to, end, 0, larg, 'd', print_type);
width-= (to - org_to);
if ((end - to) >= 4 && (int) width >= 4)
if ((end - to) >= 3 && (int) width >= 3)
{
char errmsg_buff[MYSYS_STRERROR_SIZE];
*to++= ' ';
*to++= '"';
my_strerror(errmsg_buff, sizeof(errmsg_buff), larg);
to= process_str_arg(cs, to, end, width-3, errmsg_buff, print_type);
*to++= '"';
if (end > to)
*to++= '"';
}
continue;
}
/* We come here on '%%', unknown code or too long parameter */
if (to == end)
if (to >= end)
break;
*to++='%'; /* % used as % or unknown code */
}
......
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