%{
/* Parse a string into an internal time stamp.
- Copyright (C) 1999-2000, 2002-2011 Free Software Foundation, Inc.
+ Copyright (C) 1999-2000, 2002-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- It's typically faster.
POSIX says that only '0' through '9' are digits. Prefer ISDIGIT to
isdigit unless it's important to use the locale's definition
- of `digit' even when the host does not conform to POSIX. */
+ of "digit" even when the host does not conform to POSIX. */
#define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9)
/* Shift A right by B bits portably, by dividing A by 2**B and
typedef time_t long_time_t;
#endif
+/* Convert a possibly-signed character to an unsigned character. This is
+ a bit safer than casting to unsigned char, since it catches some type
+ errors that the cast doesn't. */
+static unsigned char to_uchar (char ch) { return ch; }
+
/* Lots of this code assumes time_t and time_t-like values fit into
long_time_t. */
verify (TYPE_MINIMUM (long_time_t) <= TYPE_MINIMUM (time_t)
size_t times_seen;
size_t zones_seen;
- /* Table of local time zone abbrevations, terminated by a null entry. */
+ /* Table of local time zone abbreviations, terminated by a null entry. */
table local_time_zone_table[3];
} parser_control;
zone abbreviations are ambiguous; e.g. Australians interpret "EST"
as Eastern time in Australia, not as US Eastern Standard Time.
You cannot rely on parse_datetime to handle arbitrary time zone
- abbreviations; use numeric abbreviations like `-0500' instead. */
+ abbreviations; use numeric abbreviations like "-0500" instead. */
static table const time_zone_table[] =
{
{ "WET", tZONE, HOUR ( 0) }, /* Western European */
return year;
}
-static table const *
+static table const * _GL_ATTRIBUTE_PURE
lookup_zone (parser_control const *pc, char const *name)
{
table const *tp;
}
if (c != '(')
- return *pc->input++;
+ return to_uchar (*pc->input++);
+
count = 0;
do
{
&& ! strcmp (pc.local_time_zone_table[0].name,
pc.local_time_zone_table[1].name))
{
- /* This locale uses the same abbrevation for standard and
+ /* This locale uses the same abbreviation for standard and
daylight times. So if we see that abbreviation, we don't
know whether it's daylight time. */
pc.local_time_zone_table[0].value = -1;
+ sizeof pc.time_zone * CHAR_BIT / 3];
if (!tz_was_altered)
tz0 = get_tz (tz0buf);
- sprintf (tz1buf, "XXX%s%ld:%02d", "-" + (time_zone < 0),
+ sprintf (tz1buf, "XXX%s%ld:%02d", &"-"[time_zone < 0],
abs_time_zone_hour, abs_time_zone_min);
if (setenv ("TZ", tz1buf, 1) != 0)
goto fail;