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fix overly pessimistic realloc strategy in getdelim
[musl]
/
src
/
stdio
/
open_wmemstream.c
diff --git
a/src/stdio/open_wmemstream.c
b/src/stdio/open_wmemstream.c
index
3537030
..
4d90cd9
100644
(file)
--- a/
src/stdio/open_wmemstream.c
+++ b/
src/stdio/open_wmemstream.c
@@
-61,14
+61,21
@@
FILE *open_wmemstream(wchar_t **bufp, size_t *sizep)
{
FILE *f;
struct cookie *c;
{
FILE *f;
struct cookie *c;
+ wchar_t *buf;
+
if (!(f=malloc(sizeof *f + sizeof *c))) return 0;
if (!(f=malloc(sizeof *f + sizeof *c))) return 0;
+ if (!(buf=malloc(sizeof *buf))) {
+ free(f);
+ return 0;
+ }
memset(f, 0, sizeof *f + sizeof *c);
f->cookie = c = (void *)(f+1);
c->bufp = bufp;
c->sizep = sizep;
memset(f, 0, sizeof *f + sizeof *c);
f->cookie = c = (void *)(f+1);
c->bufp = bufp;
c->sizep = sizep;
- c->pos = c->len = c->space = 0;
- c->buf = 0;
+ c->pos = c->len = c->space = *sizep = 0;
+ c->buf = *bufp = buf;
+ *buf = 0;
f->flags = F_NORD;
f->fd = -1;
f->flags = F_NORD;
f->fd = -1;
@@
-81,11
+88,5
@@
FILE *open_wmemstream(wchar_t **bufp, size_t *sizep)
if (!libc.threaded) f->lock = -1;
if (!libc.threaded) f->lock = -1;
- OFLLOCK();
- f->next = libc.ofl_head;
- if (libc.ofl_head) libc.ofl_head->prev = f;
- libc.ofl_head = f;
- OFLUNLOCK();
-
- return f;
+ return __ofl_add(f);
}
}