1e980cd977
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21107 a1c6a512-1295-4272-9138-f99709370657
136 lines
4.6 KiB
C
136 lines
4.6 KiB
C
#include <sys/types.h>
|
|
#include <time.h>
|
|
#include "plugin.h"
|
|
|
|
static const char sweekdays [7] [4] = {
|
|
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
|
|
};
|
|
static const char weekdays [7] [10] = {
|
|
"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
|
|
};
|
|
static const char smonths [12] [4] = {
|
|
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
|
|
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
|
|
};
|
|
static const char* months [12] = {
|
|
"January", "February", "March", "April", smonths[5-1], "June",
|
|
"July", "August", "September", "October", "November", "December"
|
|
};
|
|
static const char ampm [4] [3] = {
|
|
"am", "pm",
|
|
"AM", "PM"
|
|
};
|
|
|
|
static void i2a ( char* dest,unsigned long x )
|
|
{
|
|
int div = 10;
|
|
*dest++ = x/div + '0';
|
|
*dest++ = x%div + '0';
|
|
*dest++ = '\0';
|
|
}
|
|
|
|
size_t strftime ( char* dst, size_t max, const char* format, const struct tm* tm )
|
|
{
|
|
char* p = dst;
|
|
const char* src;
|
|
unsigned long no;
|
|
char buf [5];
|
|
|
|
if (!max) return 0;
|
|
for ( ; *format != '\0'; format++ ) {
|
|
if (*format == '%') {
|
|
if (*++format == '%') {
|
|
*p++ = '%';
|
|
}
|
|
else
|
|
again:
|
|
switch (*format) {
|
|
// case '%': *p++ = '%'; break; // reduce size of jump table
|
|
case 'n': *p++ = '\n'; break;
|
|
case 't': *p++ = '\t'; break;
|
|
case 'O': case 'E': ++format; goto again;
|
|
case 'c': src = "%b %a %d %k:%M:%S %Z %Y"; goto _strf;
|
|
case 'r': src = "%I:%M:%S %p"; goto _strf;
|
|
case 'R': src = "%H:%M"; goto _strf;
|
|
case 'x': src = "%b %a %d"; goto _strf;
|
|
case 'X': src = "%k:%M:%S"; goto _strf;
|
|
case 'D': src = "%m/%d/%y"; goto _strf;
|
|
case 'T': src = "%H:%M:%S";
|
|
_strf: p += strftime (p, (size_t)(dst+max-p), src, tm); break;
|
|
case 'a': src = sweekdays [tm->tm_wday]; goto _str;
|
|
case 'A': src = weekdays [tm->tm_wday]; goto _str;
|
|
case 'h':
|
|
case 'b': src = smonths [tm->tm_mon]; goto _str;
|
|
case 'B': src = months [tm->tm_mon]; goto _str;
|
|
case 'p': src = ampm [tm->tm_hour > 12 ? 3 : 2]; goto _str;
|
|
case 'P': src = ampm [tm->tm_hour > 12 ? 1 : 0]; goto _str;
|
|
case 'C': no = tm->tm_year/100 + 19; goto _no;
|
|
case 'd': no = tm->tm_mday; goto _no;
|
|
case 'e': no = tm->tm_mday; goto _nos;
|
|
case 'H': no = tm->tm_hour; goto _no;
|
|
case 'I': no = tm->tm_hour % 12; goto _no;
|
|
case 'j': no = tm->tm_yday; goto _no;
|
|
case 'k': no = tm->tm_hour; goto _nos;
|
|
case 'l': no = tm->tm_hour % 12; goto _nos;
|
|
case 'm': no = tm->tm_mon + 1; goto _no;
|
|
case 'M': no = tm->tm_min; goto _no;
|
|
case 'S': no = tm->tm_sec; goto _no;
|
|
case 'u': no = tm->tm_wday ? tm->tm_wday : 7; goto _no;
|
|
case 'w': no = tm->tm_wday; goto _no;
|
|
case 'U': no = (tm->tm_yday - tm->tm_wday + 7) / 7; goto _no;
|
|
case 'W': no = (tm->tm_yday - (tm->tm_wday - 1 + 7) % 7 + 7) / 7; goto _no;
|
|
case 's': {
|
|
time_t t =
|
|
#if CONFIG_RTC
|
|
rb->mktime((struct tm*)tm)
|
|
#else
|
|
0
|
|
#endif
|
|
;
|
|
char buf[101];
|
|
char* c;
|
|
buf[100]=0;
|
|
for (c=buf+99; c>buf; --c) {
|
|
*c=(t%10)+'0';
|
|
t/=10;
|
|
if (!t) break;
|
|
}
|
|
src=c;
|
|
goto _str;
|
|
}
|
|
case 'Z':
|
|
#ifdef WANT_TZFILE_PARSER
|
|
tzset(); src = tzname[0];
|
|
#else
|
|
src = "[unknown timezone]";
|
|
#endif
|
|
goto _str;
|
|
case 'Y': i2a ( buf+0, (unsigned int)(tm->tm_year / 100 + 19) );
|
|
i2a ( buf+2, (unsigned int)(tm->tm_year % 100) );
|
|
src = buf;
|
|
goto _str;
|
|
case 'y': no = tm->tm_year % 100; goto _no;
|
|
_no: i2a ( buf, no ); /* append number 'no' */
|
|
src = buf;
|
|
goto _str;
|
|
_nos: i2a ( buf, no ); /* the same, but '0'->' ' */
|
|
if (buf[0] == '0')
|
|
buf[0] = ' ';
|
|
src = buf;
|
|
_str: while (*src && p < dst+max) /* append string */
|
|
*p++ = *src++;
|
|
break;
|
|
};
|
|
} else {
|
|
*p++ = *format;
|
|
}
|
|
|
|
if (p >= dst+max)
|
|
break;
|
|
}
|
|
|
|
*p = '\0';
|
|
return p - dst;
|
|
}
|
|
|
|
|