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authorUlrich Drepper <drepper@redhat.com>1998-09-14 23:40:58 +0000
committerUlrich Drepper <drepper@redhat.com>1998-09-14 23:40:58 +0000
commit0ff0d59e19b1a7db39f6d4e897a8bde0583a7c47 (patch)
tree8a0a2025ccb410c74b562b64dbc1fd6750102f36 /nscd
parentd3f8acb39b5b7f7390ac7e6c5d09648837683d5f (diff)
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* nscd/pwdcache.c (save_pwd): Rewrite to use only one malloc call. (free_pwd): Adjust for this change. * nscd/grpcache.c (save_grp): Rewrite to use only one malloc call. (free_grp): Adjust for this change.
1998-09-14 23:36 Ulrich Drepper <drepper@cygnus.com> * nscd/pwdcache.c (save_pwd): Rewrite to use only one malloc call. (free_pwd): Adjust for this change. * nscd/grpcache.c (save_grp): Rewrite to use only one malloc call. (free_grp): Adjust for this change.
Diffstat (limited to 'nscd')
-rw-r--r--nscd/grpcache.c48
-rw-r--r--nscd/pwdcache.c35
2 files changed, 48 insertions, 35 deletions
diff --git a/nscd/grpcache.c b/nscd/grpcache.c
index 2806ddd52e..a5130075ad 100644
--- a/nscd/grpcache.c
+++ b/nscd/grpcache.c
@@ -133,24 +133,38 @@ save_grp (struct group *src)
{
struct group *dest;
unsigned long int l;
-
- dest = calloc (1, sizeof (struct group));
- dest->gr_name = strdup (src->gr_name);
- dest->gr_passwd = strdup (src->gr_passwd);
- dest->gr_gid = src->gr_gid;
+ size_t tlen;
+ size_t name_len = strlen (src->gr_name) + 1;
+ size_t passwd_len = strlen (src->gr_passwd) + 1;
+ char *cp;
/* How many members does this group have? */
- l = 0;
- while (src->gr_mem[l])
- ++l;
+ l = tlen = 0;
+ while (src->gr_mem[l] != NULL)
+ tlen += strlen (src->gr_mem[l++]) + 1;
+
+ dest = malloc (sizeof (struct group) + (l + 1) * sizeof (char *)
+ + name_len + passwd_len + tlen);
+ if (dest == NULL)
+ return NULL;
+
+ dest->gr_mem = (char **) (dest + 1);
+ cp = (char *) (dest->gr_mem + l + 1);
+
+ dest->gr_name = cp;
+ cp = mempcpy (cp, src->gr_name, name_len);
+ dest->gr_passwd = cp;
+ cp = mempcpy (cp, src->gr_passwd, passwd_len);
+ dest->gr_gid = src->gr_gid;
- dest->gr_mem = calloc (1, sizeof (char *) * (l+1));
l = 0;
- while (src->gr_mem[l])
+ while (src->gr_mem[l] != NULL)
{
- dest->gr_mem[l] = strdup (src->gr_mem[l]);
+ dest->gr_mem[l] = cp;
+ cp = stpcpy (cp, src->gr_mem[l]);
++l;
}
+ dest->gr_mem[l] = NULL;
return dest;
}
@@ -158,18 +172,6 @@ save_grp (struct group *src)
static void
free_grp (struct group *src)
{
- unsigned long int l;
-
- free (src->gr_name);
- free (src->gr_passwd);
-
- l = 0;
- while (src->gr_mem[l])
- {
- free (src->gr_mem[l]);
- ++l;
- }
- free (src->gr_mem);
free (src);
}
diff --git a/nscd/pwdcache.c b/nscd/pwdcache.c
index 9b7c0a040a..85b4fe9bde 100644
--- a/nscd/pwdcache.c
+++ b/nscd/pwdcache.c
@@ -132,15 +132,31 @@ static struct passwd *
save_pwd (struct passwd *src)
{
struct passwd *dest;
-
- dest = calloc (1, sizeof (struct passwd));
- dest->pw_name = strdup (src->pw_name);
- dest->pw_passwd = strdup (src->pw_passwd);
+ size_t name_len = strlen (src->pw_name) + 1;
+ size_t passwd_len = strlen (src->pw_gecos) + 1;
+ size_t gecos_len = strlen (src->pw_dir) + 1;
+ size_t dir_len = strlen (src->pw_dir) + 1;
+ size_t shell_len = strlen (src->pw_shell) + 1;
+ char *cp;
+
+ dest = malloc (sizeof (struct passwd)
+ + name_len + passwd_len + gecos_len + dir_len + shell_len);
+ if (dest == NULL)
+ return NULL;
+
+ cp = (char *) (dest + 1);
+ dest->pw_name = cp;
+ cp = mempcpy (cp, src->pw_name, name_len);
+ dest->pw_passwd = cp;
+ cp = mempcpy (cp, src->pw_passwd, passwd_len);
dest->pw_uid = src->pw_uid;
dest->pw_gid = src->pw_gid;
- dest->pw_gecos = strdup (src->pw_gecos);
- dest->pw_dir = strdup (src->pw_dir);
- dest->pw_shell = strdup (src->pw_shell);
+ dest->pw_gecos = cp;
+ cp = mempcpy (cp, src->pw_gecos, gecos_len);
+ dest->pw_dir = cp;
+ cp = mempcpy (cp, src->pw_dir, dir_len);
+ dest->pw_shell = cp;
+ mempcpy (cp, src->pw_shell, shell_len);
return dest;
}
@@ -148,11 +164,6 @@ save_pwd (struct passwd *src)
static void
free_pwd (struct passwd *src)
{
- free (src->pw_name);
- free (src->pw_passwd);
- free (src->pw_gecos);
- free (src->pw_dir);
- free (src->pw_shell);
free (src);
}