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#define _GNU_SOURCE
#include "stdio_impl.h"
#include <string.h>
char *fgetln(FILE *f, size_t *plen)
{
char *ret = 0, *z;
ssize_t l;
FLOCK(f);
ungetc(getc_unlocked(f), f);
if (f->rend && (z=memchr(f->rpos, '\n', f->rend - f->rpos))) {
ret = (char *)f->rpos;
*plen = ++z - ret;
f->rpos = (void *)z;
} else if ((l = getline(&f->getln_buf, (size_t[]){0}, f)) > 0) {
*plen = l;
ret = f->getln_buf;
}
FUNLOCK(f);
return ret;
}
#ifdef TEST
int
main(void) {
return 0;
}
#endif
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