correctly handle write errors encountered by printf-family functions
[oweals/musl.git] / src / stdio / ferror.c
1 #include "stdio_impl.h"
2
3 #undef ferror
4
5 int ferror(FILE *f)
6 {
7         FLOCK(f);
8         int ret = !!(f->flags & F_ERR);
9         FUNLOCK(f);
10         return ret;
11 }
12
13 weak_alias(ferror, ferror_unlocked);
14 weak_alias(ferror, _IO_ferror_unlocked);