diff options
Diffstat (limited to 'nss/nss_files/files-network.c')
| -rw-r--r-- | nss/nss_files/files-network.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/nss/nss_files/files-network.c b/nss/nss_files/files-network.c index 90a048b..f08daaf 100644 --- a/nss/nss_files/files-network.c +++ b/nss/nss_files/files-network.c @@ -1,5 +1,5 @@ /* Networks file parser in nss_files module. - Copyright (C) 1996-2024 Free Software Foundation, Inc. + Copyright (C) 1996-2025 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -42,7 +42,8 @@ LINE_PARSER STRING_FIELD (addr, isspace, 1); /* 'inet_network' does not add zeroes at the end if the network number - does not four byte values. We add them ourselves if necessary. */ + does not contain four byte values. We shift result ourselves if + necessary. */ cp = strchr (addr, '.'); if (cp != NULL) { @@ -56,20 +57,11 @@ LINE_PARSER ++n; } } - if (n < 4) - { - char *newp = (char *) alloca (strlen (addr) + (4 - n) * 2 + 1); - cp = stpcpy (newp, addr); - do - { - *cp++ = '.'; - *cp++ = '0'; - } - while (++n < 4); - *cp = '\0'; - addr = newp; - } result->n_net = __inet_network (addr); + if (result->n_net == INADDR_NONE) + return 0; + if (n < 4) + result->n_net <<= 8 * (4 - n); result->n_addrtype = AF_INET; }) |