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| author | Florian Weimer <fweimer@redhat.com> | 2017-06-19 13:19:00 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2017-06-19 14:24:24 +0200 |
| commit | 94f094f22b50a20de9042cb1e78c7299992a91c9 (patch) | |
| tree | 091d16271ff672a72d8cf9927c2a89108c37b738 /resolv/res_init.c | |
| parent | e68111fbd63e84b66bd9e03b42721c79230b9b6d (diff) | |
| download | glibc-94f094f22b50a20de9042cb1e78c7299992a91c9.tar.gz glibc-94f094f22b50a20de9042cb1e78c7299992a91c9.tar.xz glibc-94f094f22b50a20de9042cb1e78c7299992a91c9.zip | |
resolv: Introduce is_sort_mask and call it from res_vinit
Diffstat (limited to 'resolv/res_init.c')
| -rw-r--r-- | resolv/res_init.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/resolv/res_init.c b/resolv/res_init.c index eb24fca3a6..eb8e308fda 100644 --- a/resolv/res_init.c +++ b/resolv/res_init.c @@ -85,9 +85,6 @@ static void res_setoptions (res_state, const char *, const char *) internal_function; - -static const char sort_mask_chars[] = "/&"; -#define ISSORTMASK(ch) (strchr(sort_mask_chars, ch) != NULL) static u_int32_t net_mask (struct in_addr) __THROW; unsigned long long int __res_initstamp attribute_hidden; @@ -109,6 +106,14 @@ res_ninit(res_state statp) { } libc_hidden_def (__res_ninit) +/* Return true if CH separates the netmask in the "sortlist" + directive. */ +static inline bool +is_sort_mask (char ch) +{ + return ch == '/' || ch == '&'; +} + /* This function has to be reachable by res_data.c but not publically. */ int __res_vinit(res_state statp, int preinit) { @@ -305,14 +310,14 @@ __res_vinit(res_state statp, int preinit) { if (*cp == '\0' || *cp == '\n' || *cp == ';') break; net = cp; - while (*cp && !ISSORTMASK(*cp) && *cp != ';' && + while (*cp && !is_sort_mask (*cp) && *cp != ';' && isascii(*cp) && !isspace(*cp)) cp++; n = *cp; *cp = 0; if (__inet_aton(net, &a)) { statp->sort_list[nsort].addr = a; - if (ISSORTMASK(n)) { + if (is_sort_mask (n)) { *cp++ = n; net = cp; while (*cp && *cp != ';' && |