There is 'cbits/conv.c' in 'haskell-unix-time' source package, which
is probably is of same copyright, as haskell code (BSD-3-clause),
but there is part of it, that is explicitly marked as all-rights-reserved.
No email is provided. This troublesome part is only for portability on
Solaris, and is not used on GNU/Linux systems.
What is the best way to deal with situation? I know, there is Files-Excludes:
clause in debian/copyright, but what to do with part of file?
For your convenience, offending file is attached, but you probably
interested in whole package.
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#include "config.h"
#if IS_LINUX
/* Linux cheats AC_CHECK_FUNCS(strptime_l), sigh. */
#define THREAD_SAFE 0
#define _XOPEN_SOURCE
#define _BSD_SOURCE
#elif HAVE_STRPTIME_L
#define THREAD_SAFE 1
#define _GNU_SOURCE
#else
#define THREAD_SAFE 0
#endif
#include <string.h>
#include <time.h>
#include <locale.h>
#if THREAD_SAFE
#if HAVE_XLOCALE_H
#include <xlocale.h>
#endif
locale_t c_locale = NULL;
void init_locale() {
if (c_locale == NULL) c_locale = newlocale(LC_TIME_MASK, "C", NULL);
}
#else
void init_locale() {
static int initialized = 0;
if (initialized == 0) {
setlocale(LC_TIME, "C");
initialized == 1;
}
}
#endif
time_t c_parse_unix_time(char *fmt, char *src) {
struct tm dst;
init_locale();
memset(&dst, 0, sizeof(struct tm));
#if THREAD_SAFE
strptime_l(src, fmt, &dst, c_locale);
#else
strptime(src, fmt, &dst);
#endif
return mktime(&dst);
}
#if !defined(HAVE_TIMEGM)
/* This part is for Solaris that doesn't have timegm.
* The copyright notice of timegm and is_leap is as below:
*
* Copyright (c) 1997 Kungliga Tekniska H.gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*/
static int
is_leap(unsigned y)
{
y += 1900;
return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
}
static time_t
timegm (struct tm *tm)
{
static const unsigned ndays[2][12] ={
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
time_t res = 0;
unsigned i;
for (i = 70; i < tm->tm_year; ++i)
res += is_leap(i) ? 366 : 365;
for (i = 0; i < tm->tm_mon; ++i)
res += ndays[is_leap(tm->tm_year)][i];
res += tm->tm_mday - 1;
res *= 24;
res += tm->tm_hour;
res *= 60;
res += tm->tm_min;
res *= 60;
res += tm->tm_sec;
return res;
}
#endif /* HAVE_TIMEGM */
time_t c_parse_unix_time_gmt(char *fmt, char *src) {
struct tm dst;
init_locale();
memset(&dst, 0, sizeof(struct tm));
#if THREAD_SAFE
strptime_l(src, fmt, &dst, c_locale);
#else
strptime(src, fmt, &dst);
#endif
return timegm(&dst);
}
size_t c_format_unix_time(char *fmt, time_t src, char* dst, int siz) {
struct tm tim;
init_locale();
localtime_r(&src, &tim);
#if THREAD_SAFE
return strftime_l(dst, siz, fmt, &tim, c_locale);
#else
return strftime(dst, siz, fmt, &tim);
#endif
}
size_t c_format_unix_time_gmt(char *fmt, time_t src, char* dst, int siz) {
struct tm tim;
init_locale();
gmtime_r(&src, &tim);
#if THREAD_SAFE
return strftime_l(dst, siz, fmt, &tim, c_locale);
#else
return strftime(dst, siz, fmt, &tim);
#endif
}
