diff options
Diffstat (limited to 'resolv/ns_ttl.c')
-rw-r--r-- | resolv/ns_ttl.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/resolv/ns_ttl.c b/resolv/ns_ttl.c deleted file mode 100644 index 079948790b..0000000000 --- a/resolv/ns_ttl.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") - * Copyright (c) 1996,1999 by Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS - * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE - * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR - * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS - * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ - -/* Import. */ - -#include <arpa/nameser.h> - -#include <ctype.h> -#include <errno.h> -#include <stdio.h> -#include <string.h> - -#ifdef SPRINTF_CHAR -# define SPRINTF(x) strlen(sprintf/**/x) -#else -# define SPRINTF(x) ((size_t)sprintf x) -#endif - -/* Forward. */ - -static int fmt1(int t, char s, char **buf, size_t *buflen); - -/* Macros. */ - -#define T(x) if ((x) < 0) return (-1); else (void)NULL - -/* Public. */ - -int -ns_format_ttl(u_long src, char *dst, size_t dstlen) { - char *odst = dst; - int secs, mins, hours, days, weeks, x; - char *p; - - secs = src % 60; src /= 60; - mins = src % 60; src /= 60; - hours = src % 24; src /= 24; - days = src % 7; src /= 7; - weeks = src; src = 0; - - x = 0; - if (weeks) { - T(fmt1(weeks, 'W', &dst, &dstlen)); - x++; - } - if (days) { - T(fmt1(days, 'D', &dst, &dstlen)); - x++; - } - if (hours) { - T(fmt1(hours, 'H', &dst, &dstlen)); - x++; - } - if (mins) { - T(fmt1(mins, 'M', &dst, &dstlen)); - x++; - } - if (secs || !(weeks || days || hours || mins)) { - T(fmt1(secs, 'S', &dst, &dstlen)); - x++; - } - - if (x > 1) { - int ch; - - for (p = odst; (ch = *p) != '\0'; p++) - if (isascii(ch) && isupper(ch)) - *p = tolower(ch); - } - - return (dst - odst); -} -libresolv_hidden_def (ns_format_ttl) - -// Seems not to be needed. It's not exported from the DSO. Some libresolv.a -// might depend on it so we let it in. -int -ns_parse_ttl(const char *src, u_long *dst) { - u_long ttl, tmp; - int ch, digits, dirty; - - ttl = 0; - tmp = 0; - digits = 0; - dirty = 0; - while ((ch = *src++) != '\0') { - if (!isascii(ch) || !isprint(ch)) - goto einval; - if (isdigit(ch)) { - tmp *= 10; - tmp += (ch - '0'); - digits++; - continue; - } - if (digits == 0) - goto einval; - if (islower(ch)) - ch = toupper(ch); - switch (ch) { - case 'W': tmp *= 7; - case 'D': tmp *= 24; - case 'H': tmp *= 60; - case 'M': tmp *= 60; - case 'S': break; - default: goto einval; - } - ttl += tmp; - tmp = 0; - digits = 0; - dirty = 1; - } - if (digits > 0) { - if (dirty) - goto einval; - else - ttl += tmp; - } else if (!dirty) - goto einval; - *dst = ttl; - return (0); - - einval: - __set_errno (EINVAL); - return (-1); -} - -/* Private. */ - -static int -fmt1(int t, char s, char **buf, size_t *buflen) { - char tmp[50]; - size_t len; - - len = SPRINTF((tmp, "%d%c", t, s)); - if (len + 1 > *buflen) - return (-1); - strcpy(*buf, tmp); - *buf += len; - *buflen -= len; - return (0); -} - -/*! \file */ |