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authorUlrich Drepper <drepper@redhat.com>2001-09-08 20:03:14 +0000
committerUlrich Drepper <drepper@redhat.com>2001-09-08 20:03:14 +0000
commit1181062126ed5daf104aa9f7beb847055c1d4adc (patch)
tree0454507ec9ae7d7ddea8b1518a142cd22ee188ec /elf
parentf6233fe00300ec9521967b63ed9b35184f27db29 (diff)
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Update.
2001-09-08 Ulrich Drepper <drepper@redhat.com> * elf/dl-object.c: Avoid allocating extra memory block for name. * elf/dl-close.c (_dl_close): Don't free l_libname if it is no allocated separately. * elf/dl-load.c (_dl_map_object_from_fd): Likewise.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-close.c3
-rw-r--r--elf/dl-load.c3
-rw-r--r--elf/dl-object.c12
3 files changed, 11 insertions, 7 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 31b4863afe..de4b91ac03 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -254,7 +254,8 @@ _dl_close (void *_map)
{
struct libname_list *this = lnp;
lnp = lnp->next;
- free (this);
+ if (!this->dont_free)
+ free (this);
}
while (lnp != NULL);
diff --git a/elf/dl-load.c b/elf/dl-load.c
index cf05ad0dc8..48c78c32df 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1099,7 +1099,8 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
/* We are not supposed to load this object. Free all resources. */
__munmap ((void *) l->l_map_start, l->l_map_end - l->l_map_start);
- free (l->l_libname);
+ if (!l->l_libname->dont_free)
+ free (l->l_libname);
if (l->l_phdr_allocated)
free ((void *) l->l_phdr);
diff --git a/elf/dl-object.c b/elf/dl-object.c
index 65e90d66a0..bfd4f2d8c4 100644
--- a/elf/dl-object.c
+++ b/elf/dl-object.c
@@ -40,15 +40,17 @@ _dl_new_object (char *realname, const char *libname, int type,
struct link_map *new;
struct libname_list *newname;
- new = (struct link_map *) calloc (sizeof *new, 1);
- newname = (struct libname_list *) malloc (sizeof *newname + libname_len);
- if (new == NULL || newname == NULL)
+ new = (struct link_map *) calloc (sizeof (*new) + sizeof (*newname)
+ + libname_len, 1);
+ if (new == NULL)
return NULL;
- new->l_name = realname;
+ newname = (struct libname_list *) (new + 1);
newname->name = (char *) memcpy (newname + 1, libname, libname_len);
newname->next = NULL;
- newname->dont_free = 0;
+ newname->dont_free = 1;
+
+ new->l_name = realname;
new->l_libname = newname;
new->l_type = type;
new->l_loader = loader;