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-rw-r--r--nis/nis_subr.c44
1 files changed, 10 insertions, 34 deletions
diff --git a/nis/nis_subr.c b/nis/nis_subr.c
index 479e11d175..780c27f7b5 100644
--- a/nis/nis_subr.c
+++ b/nis/nis_subr.c
@@ -46,8 +46,16 @@ nis_leaf_of_r (const_nis_name name, char *buffer, size_t buflen)
return NULL;
}
- if (i > 1)
- strncpy (buffer, name, i - 1);
+ if (i > 0)
+ {
+ if ((size_t)i >= buflen)
+ {
+ errno = ERANGE;
+ return NULL;
+ }
+ strncpy (buffer, name, i);
+ buffer[i] = 0;
+ }
return buffer;
}
@@ -89,38 +97,6 @@ nis_name_of_r (const_nis_name name, char *buffer, size_t buflen)
return buffer;
}
-nis_name
-nis_domain_of (const_nis_name name)
-{
- static char result[NIS_MAXNAMELEN + 1];
-
- return nis_domain_of_r (name, result, NIS_MAXNAMELEN);
-}
-
-nis_name
-nis_domain_of_r (const_nis_name name, char *buffer, size_t buflen)
-{
- char *cptr;
- size_t cptr_len;
-
- cptr = strchr (name, '.'); /* XXX What happens if the NIS name
- does not contain a `.'? */
- ++cptr;
- cptr_len = strlen (cptr);
-
- if (cptr_len == 0)
- strcpy (buffer, ".");
- else if (cptr_len >= buflen)
- {
- errno = ERANGE;
- return NULL;
- }
- else
- memcpy (buffer, cptr, cptr_len + 1);
-
- return buffer;
-}
-
static int
count_dots (const_nis_name str)
{