reduce spurious inclusion of libc.h
[musl] / src / stdio / fclose.c
1 #include "stdio_impl.h"
2 #include <stdlib.h>
3
4 static void dummy(FILE *f) { }
5 weak_alias(dummy, __unlist_locked_file);
6
7 int fclose(FILE *f)
8 {
9         int r;
10         int perm;
11         
12         FLOCK(f);
13
14         __unlist_locked_file(f);
15
16         if (!(perm = f->flags & F_PERM)) {
17                 FILE **head = __ofl_lock();
18                 if (f->prev) f->prev->next = f->next;
19                 if (f->next) f->next->prev = f->prev;
20                 if (*head == f) *head = f->next;
21                 __ofl_unlock();
22         }
23
24         r = fflush(f);
25         r |= f->close(f);
26
27         free(f->getln_buf);
28         if (!perm) free(f);
29         else FUNLOCK(f);
30
31         return r;
32 }