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-rw-r--r--missing/strptime.c363
1 files changed, 363 insertions, 0 deletions
diff --git a/missing/strptime.c b/missing/strptime.c
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--- /dev/null
+++ b/missing/strptime.c
@@ -0,0 +1,363 @@
+/*
+ * Copyright (c) 1994 Powerdog Industries. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgement:
+ * This product includes software developed by Powerdog Industries.
+ * 4. The name of Powerdog Industries may not be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY POWERDOG INDUSTRIES ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE POWERDOG INDUSTRIES BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+/* #include <unistd.h> */
+#include <time.h>
+#include <ctype.h>
+#include <string.h>
+
+#ifndef HAVE_STRNCASECMP
+# include "./strncasecmp.c"
+#endif
+
+/*
+#if !defined(WIN32)
+# include "common/config.h"
+#endif
+*/
+
+#define asizeof(a) (sizeof (a) / sizeof ((a)[0]))
+
+#ifndef sun
+struct dtconv {
+ char *abbrev_month_names[12];
+ char *month_names[12];
+ char *abbrev_weekday_names[7];
+ char *weekday_names[7];
+ char *time_format;
+ char *sdate_format;
+ char *dtime_format;
+ char *am_string;
+ char *pm_string;
+ char *ldate_format;
+};
+#endif
+
+static struct dtconv En_US = {
+ { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" },
+ { "January", "February", "March", "April",
+ "May", "June", "July", "August",
+ "September", "October", "November", "December" },
+ { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" },
+ { "Sunday", "Monday", "Tuesday", "Wednesday",
+ "Thursday", "Friday", "Saturday" },
+ "%H:%M:%S",
+ "%m/%d/%y",
+ "%a %b %e %T %Z %Y",
+ "AM",
+ "PM",
+ "%A, %B, %e, %Y"
+};
+
+#ifdef SUNOS4
+extern int strncasecmp();
+#endif
+
+char *
+strptime(char *buf, char *fmt, struct tm *tm)
+{
+ char c,
+ *ptr;
+ int i,
+ len;
+
+ ptr = fmt;
+ while (*ptr != 0) {
+ if (*buf == 0)
+ break;
+
+ c = *ptr++;
+
+ if (c != '%') {
+ if (isspace(c))
+ while (*buf != 0 && isspace(*buf))
+ buf++;
+ else if (c != *buf++)
+ return 0;
+ continue;
+ }
+
+ c = *ptr++;
+ switch (c) {
+ case 0:
+ case '%':
+ if (*buf++ != '%')
+ return 0;
+ break;
+
+ case 'C':
+ buf = strptime(buf, En_US.ldate_format, tm);
+ if (buf == 0)
+ return 0;
+ break;
+
+ case 'c':
+ buf = strptime(buf, "%x %X", tm);
+ if (buf == 0)
+ return 0;
+ break;
+
+ case 'D':
+ buf = strptime(buf, "%m/%d/%y", tm);
+ if (buf == 0)
+ return 0;
+ break;
+
+ case 'R':
+ buf = strptime(buf, "%H:%M", tm);
+ if (buf == 0)
+ return 0;
+ break;
+
+ case 'r':
+ buf = strptime(buf, "%I:%M:%S %p", tm);
+ if (buf == 0)
+ return 0;
+ break;
+
+ case 'T':
+ buf = strptime(buf, "%H:%M:%S", tm);
+ if (buf == 0)
+ return 0;
+ break;
+
+ case 'X':
+ buf = strptime(buf, En_US.time_format, tm);
+ if (buf == 0)
+ return 0;
+ break;
+
+ case 'x':
+ buf = strptime(buf, En_US.sdate_format, tm);
+ if (buf == 0)
+ return 0;
+ break;
+
+ case 'j':
+ if (!isdigit(*buf))
+ return 0;
+
+ for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
+ i *= 10;
+ i += *buf - '0';
+ }
+ if (i > 365)
+ return 0;
+
+ tm->tm_yday = i;
+ break;
+
+ case 'M':
+ case 'S':
+ if (*buf == 0 || isspace(*buf))
+ break;
+
+ if (!isdigit(*buf))
+ return 0;
+
+ for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
+ i *= 10;
+ i += *buf - '0';
+ }
+ if (i > 59)
+ return 0;
+
+ if (c == 'M')
+ tm->tm_min = i;
+ else
+ tm->tm_sec = i;
+
+ if (*buf != 0 && isspace(*buf))
+ while (*ptr != 0 && !isspace(*ptr))
+ ptr++;
+ break;
+
+ case 'H':
+ case 'I':
+ case 'k':
+ case 'l':
+ if (!isdigit(*buf))
+ return 0;
+
+ for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
+ i *= 10;
+ i += *buf - '0';
+ }
+ if (c == 'H' || c == 'k') {
+ if (i > 23)
+ return 0;
+ } else if (i > 11)
+ return 0;
+
+ tm->tm_hour = i;
+
+ if (*buf != 0 && isspace(*buf))
+ while (*ptr != 0 && !isspace(*ptr))
+ ptr++;
+ break;
+
+ case 'p':
+ len = strlen(En_US.am_string);
+ if (strncasecmp(buf, En_US.am_string, len) == 0) {
+ if (tm->tm_hour > 12)
+ return 0;
+ if (tm->tm_hour == 12)
+ tm->tm_hour = 0;
+ buf += len;
+ break;
+ }
+
+ len = strlen(En_US.pm_string);
+ if (strncasecmp(buf, En_US.pm_string, len) == 0) {
+ if (tm->tm_hour > 12)
+ return 0;
+ if (tm->tm_hour != 12)
+ tm->tm_hour += 12;
+ buf += len;
+ break;
+ }
+
+ return 0;
+
+ case 'A':
+ case 'a':
+ for (i = 0; i < asizeof(En_US.weekday_names); i++) {
+ len = strlen(En_US.weekday_names[i]);
+ if (strncasecmp(buf,
+ En_US.weekday_names[i],
+ len) == 0)
+ break;
+
+ len = strlen(En_US.abbrev_weekday_names[i]);
+ if (strncasecmp(buf,
+ En_US.abbrev_weekday_names[i],
+ len) == 0)
+ break;
+ }
+ if (i == asizeof(En_US.weekday_names))
+ return 0;
+
+ tm->tm_wday = i;
+ buf += len;
+ break;
+
+ case 'd':
+ case 'e':
+ if (!isdigit(*buf))
+ return 0;
+
+ for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
+ i *= 10;
+ i += *buf - '0';
+ }
+ if (i > 31)
+ return 0;
+
+ tm->tm_mday = i;
+
+ if (*buf != 0 && isspace(*buf))
+ while (*ptr != 0 && !isspace(*ptr))
+ ptr++;
+ break;
+
+ case 'B':
+ case 'b':
+ case 'h':
+ for (i = 0; i < asizeof(En_US.month_names); i++) {
+ len = strlen(En_US.month_names[i]);
+ if (strncasecmp(buf,
+ En_US.month_names[i],
+ len) == 0)
+ break;
+
+ len = strlen(En_US.abbrev_month_names[i]);
+ if (strncasecmp(buf,
+ En_US.abbrev_month_names[i],
+ len) == 0)
+ break;
+ }
+ if (i == asizeof(En_US.month_names))
+ return 0;
+
+ tm->tm_mon = i;
+ buf += len;
+ break;
+
+ case 'm':
+ if (!isdigit(*buf))
+ return 0;
+
+ for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
+ i *= 10;
+ i += *buf - '0';
+ }
+ if (i < 1 || i > 12)
+ return 0;
+
+ tm->tm_mon = i - 1;
+
+ if (*buf != 0 && isspace(*buf))
+ while (*ptr != 0 && !isspace(*ptr))
+ ptr++;
+ break;
+
+ case 'Y':
+ case 'y':
+ if (*buf == 0 || isspace(*buf))
+ break;
+
+ if (!isdigit(*buf))
+ return 0;
+
+ for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
+ i *= 10;
+ i += *buf - '0';
+ }
+ if (c == 'Y')
+ i -= 1900;
+ if (i < 0)
+ return 0;
+
+ tm->tm_year = i;
+
+ if (*buf != 0 && isspace(*buf))
+ while (*ptr != 0 && !isspace(*ptr))
+ ptr++;
+ break;
+ }
+ }
+
+ return buf;
+}
+
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