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Fix reallocation bug.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2974 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1997-08-14 19:28:56 +00:00
parent 05cb1557b4
commit 100df34250
1 changed files with 10 additions and 2 deletions
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12
lib/krb5/store_emem.c
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@@ -63,8 +63,16 @@ emem_store(krb5_storage *sp, void *data, size_t size)
{ {
emem_storage *s = (emem_storage*)sp->data; emem_storage *s = (emem_storage*)sp->data;
if(size > s->base + s->size - s->ptr){ if(size > s->base + s->size - s->ptr){
s->size = 2 * (size + (s->ptr - s->base)); /* XXX */ void *base;
s->base = realloc(s->base, s->size); size_t sz, off;
sz = 2 * (size + (s->ptr - s->base)); /* XXX */
off = s->ptr - s->base;
base = realloc(s->base, sz);
if(base == NULL)
return 0;
s->size = sz;
s->base = base;
s->ptr = (char*)base + off;
} }
memmove(s->ptr, data, size); memmove(s->ptr, data, size);
sp->seek(sp, size, SEEK_CUR); sp->seek(sp, size, SEEK_CUR);