1*c9945492SAndroid Build Coastguard Worker #define _GNU_SOURCE
2*c9945492SAndroid Build Coastguard Worker #include <stdio.h>
3*c9945492SAndroid Build Coastguard Worker #include <stdarg.h>
4*c9945492SAndroid Build Coastguard Worker #include <stdlib.h>
5*c9945492SAndroid Build Coastguard Worker
vasprintf(char ** s,const char * fmt,va_list ap)6*c9945492SAndroid Build Coastguard Worker int vasprintf(char **s, const char *fmt, va_list ap)
7*c9945492SAndroid Build Coastguard Worker {
8*c9945492SAndroid Build Coastguard Worker va_list ap2;
9*c9945492SAndroid Build Coastguard Worker va_copy(ap2, ap);
10*c9945492SAndroid Build Coastguard Worker int l = vsnprintf(0, 0, fmt, ap2);
11*c9945492SAndroid Build Coastguard Worker va_end(ap2);
12*c9945492SAndroid Build Coastguard Worker
13*c9945492SAndroid Build Coastguard Worker if (l<0 || !(*s=malloc(l+1U))) return -1;
14*c9945492SAndroid Build Coastguard Worker return vsnprintf(*s, l+1U, fmt, ap);
15*c9945492SAndroid Build Coastguard Worker }
16