diff options
Diffstat (limited to 'utils/time.c')
-rw-r--r-- | utils/time.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/utils/time.c b/utils/time.c new file mode 100644 index 000000000..cf8acc0d6 --- /dev/null +++ b/utils/time.c @@ -0,0 +1,132 @@ +/* + * Copyright 2007 Rob Kendrick <rjek@netsurf-browser.org> + * Copyright 2004-2007 James Bursa <bursa@users.sourceforge.net> + * Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net> + * Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk> + * Copyright 2004 John Tytgat <joty@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/** + * \file utils/time.c + * \brief Implementation of time operations. + */ + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> + +#include <curl/curl.h> + +#include "utils/errors.h" +#include "utils/time.h" + + +/* exported interface documented in utils/time.h */ +const char *rfc1123_date(time_t t) +{ + static char ret[30]; + + struct tm *tm = gmtime(&t); + const char *days[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }, + *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; + + snprintf(ret, sizeof ret, "%s, %02d %s %d %02d:%02d:%02d GMT", + days[tm->tm_wday], tm->tm_mday, months[tm->tm_mon], + tm->tm_year + 1900, tm->tm_hour, tm->tm_min, + tm->tm_sec); + + return ret; +} + + +/* exported function documented in utils/time.h */ +int nsc_sntimet(char *str, size_t size, time_t *timep) +{ +#ifndef HAVE_STRFTIME + long long val; + val = (long long)*timep; + + return snprintf(str, size, "%lld", val); +#else + struct tm *ltm; + + ltm = localtime(timep); + if (ltm == NULL) { + return -1; + } + + return strftime(str, size, "%s", ltm); +#endif +} + + +/* exported function documented in utils/time.h */ +nserror nsc_snptimet(const char *str, size_t size, time_t *timep) +{ + time_t time_out; + +#ifndef HAVE_STRPTIME + char *rstr; + + if (size < 1) { + return NSERROR_BAD_PARAMETER; + } + + errno = 0; + time_out = (time_t)strtoll(str, &rstr, 10); + + /* The conversion may have a range faliure or no digits were found */ + if ((errno != 0) || (rstr == str)) { + return NSERROR_BAD_PARAMETER; + } + +#else + struct tm ltm; + + if (size < 1) { + return NSERROR_BAD_PARAMETER; + } + + if (strptime(str, "%s", <m) == NULL) { + return NSERROR_BAD_PARAMETER; + } + + time_out = mktime(<m); + +#endif + *timep = time_out; + + return NSERROR_OK; +} + + +/* exported function documented in utils/time.h */ +nserror nsc_strntimet(const char *str, size_t size, time_t *timep) +{ + time_t result; + + result = curl_getdate(str, NULL); + + if (result == -1) { + return NSERROR_INVALID; + } + + *timep = result; + + return NSERROR_OK; +} |