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Diffstat (limited to 'time/win32/timestr.c')
-rw-r--r-- | time/win32/timestr.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/time/win32/timestr.c b/time/win32/timestr.c new file mode 100644 index 0000000..1384123 --- /dev/null +++ b/time/win32/timestr.c @@ -0,0 +1,220 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_arch_atime.h" +#include "apr_portable.h" +#include "apr_strings.h" + +#if APR_HAVE_STDLIB_H +#include <stdlib.h> +#endif + +APR_DECLARE_DATA const char apr_month_snames[12][4] = +{ + "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" +}; +APR_DECLARE_DATA const char apr_day_snames[7][4] = +{ + "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" +}; + +APR_DECLARE(apr_status_t) apr_rfc822_date(char *date_str, apr_time_t t) +{ + apr_time_exp_t xt; + const char *s; + int real_year; + + apr_time_exp_gmt(&xt, t); + + /* example: "Sat, 08 Jan 2000 18:31:41 GMT" */ + /* 12345678901234567890123456789 */ + + s = &apr_day_snames[xt.tm_wday][0]; + *date_str++ = *s++; + *date_str++ = *s++; + *date_str++ = *s++; + *date_str++ = ','; + *date_str++ = ' '; + *date_str++ = xt.tm_mday / 10 + '0'; + *date_str++ = xt.tm_mday % 10 + '0'; + *date_str++ = ' '; + s = &apr_month_snames[xt.tm_mon][0]; + *date_str++ = *s++; + *date_str++ = *s++; + *date_str++ = *s++; + *date_str++ = ' '; + real_year = 1900 + xt.tm_year; + /* This routine isn't y10k ready. */ + *date_str++ = real_year / 1000 + '0'; + *date_str++ = real_year % 1000 / 100 + '0'; + *date_str++ = real_year % 100 / 10 + '0'; + *date_str++ = real_year % 10 + '0'; + *date_str++ = ' '; + *date_str++ = xt.tm_hour / 10 + '0'; + *date_str++ = xt.tm_hour % 10 + '0'; + *date_str++ = ':'; + *date_str++ = xt.tm_min / 10 + '0'; + *date_str++ = xt.tm_min % 10 + '0'; + *date_str++ = ':'; + *date_str++ = xt.tm_sec / 10 + '0'; + *date_str++ = xt.tm_sec % 10 + '0'; + *date_str++ = ' '; + *date_str++ = 'G'; + *date_str++ = 'M'; + *date_str++ = 'T'; + *date_str++ = 0; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_ctime(char *date_str, apr_time_t t) +{ + apr_time_exp_t xt; + const char *s; + int real_year; + + /* example: "Wed Jun 30 21:49:08 1993" */ + /* 123456789012345678901234 */ + + apr_time_exp_lt(&xt, t); + s = &apr_day_snames[xt.tm_wday][0]; + *date_str++ = *s++; + *date_str++ = *s++; + *date_str++ = *s++; + *date_str++ = ' '; + s = &apr_month_snames[xt.tm_mon][0]; + *date_str++ = *s++; + *date_str++ = *s++; + *date_str++ = *s++; + *date_str++ = ' '; + *date_str++ = xt.tm_mday / 10 + '0'; + *date_str++ = xt.tm_mday % 10 + '0'; + *date_str++ = ' '; + *date_str++ = xt.tm_hour / 10 + '0'; + *date_str++ = xt.tm_hour % 10 + '0'; + *date_str++ = ':'; + *date_str++ = xt.tm_min / 10 + '0'; + *date_str++ = xt.tm_min % 10 + '0'; + *date_str++ = ':'; + *date_str++ = xt.tm_sec / 10 + '0'; + *date_str++ = xt.tm_sec % 10 + '0'; + *date_str++ = ' '; + real_year = 1900 + xt.tm_year; + *date_str++ = real_year / 1000 + '0'; + *date_str++ = real_year % 1000 / 100 + '0'; + *date_str++ = real_year % 100 / 10 + '0'; + *date_str++ = real_year % 10 + '0'; + *date_str++ = 0; + + return APR_SUCCESS; +} + + +#ifndef _WIN32_WCE + +static apr_size_t win32_strftime_extra(char *s, size_t max, const char *format, + const struct tm *tm) +{ + /* If the new format string is bigger than max, the result string won't fit + * anyway. If format strings are added, made sure the padding below is + * enough */ + char *new_format = (char *) malloc(max + 11); + size_t i, j, format_length = strlen(format); + apr_size_t return_value; + int length_written; + + for (i = 0, j = 0; (i < format_length && j < max);) { + if (format[i] != '%') { + new_format[j++] = format[i++]; + continue; + } + switch (format[i+1]) { + case 'C': + length_written = apr_snprintf(new_format + j, max - j, "%2d", + (tm->tm_year + 1970)/100); + j = (length_written == -1) ? max : (j + length_written); + i += 2; + break; + case 'D': + /* Is this locale dependent? Shouldn't be... + Also note the year 2000 exposure here */ + memcpy(new_format + j, "%m/%d/%y", 8); + i += 2; + j += 8; + break; + case 'r': + memcpy(new_format + j, "%I:%M:%S %p", 11); + i += 2; + j += 11; + break; + case 'R': + memcpy(new_format + j, "%H:%M", 5); + i += 2; + j += 5; + break; + case 'T': + memcpy(new_format + j, "%H:%M:%S", 8); + i += 2; + j += 8; + break; + case 'e': + length_written = apr_snprintf(new_format + j, max - j, "%2d", + tm->tm_mday); + j = (length_written == -1) ? max : (j + length_written); + i += 2; + break; + default: + /* We know we can advance two characters forward here. Also + * makes sure that %% is preserved. */ + new_format[j++] = format[i++]; + new_format[j++] = format[i++]; + } + } + if (j >= max) { + *s = '\0'; /* Defensive programming, okay since output is undefined*/ + return_value = 0; + } else { + new_format[j] = '\0'; + return_value = strftime(s, max, new_format, tm); + } + free(new_format); + return return_value; +} + +#endif + + +APR_DECLARE(apr_status_t) apr_strftime(char *s, apr_size_t *retsize, + apr_size_t max, const char *format, + apr_time_exp_t *xt) +{ +#ifdef _WIN32_WCE + return APR_ENOTIMPL; +#else + struct tm tm; + memset(&tm, 0, sizeof tm); + tm.tm_sec = xt->tm_sec; + tm.tm_min = xt->tm_min; + tm.tm_hour = xt->tm_hour; + tm.tm_mday = xt->tm_mday; + tm.tm_mon = xt->tm_mon; + tm.tm_year = xt->tm_year; + tm.tm_wday = xt->tm_wday; + tm.tm_yday = xt->tm_yday; + tm.tm_isdst = xt->tm_isdst; + (*retsize) = win32_strftime_extra(s, max, format, &tm); + return APR_SUCCESS; +#endif +} |