r17992: reverted r17842

This needs more consideration, as the patch removed the copyright
notice and license from the timegm.c code.

Volker, when you get a minute can you let me know what problem this
patch fixed so I can find a different approach?
(This used to be commit 5b9b9dd5303300778bb9e6d0479ab03fdd70c67d)

2 files changed, 1 insertions, 47 deletions

diff --git a/source4/lib/replace/config.m4 b/source4/lib/replace/config.m4
index adaba74568..93f0bb34a7 100644
--- a/source4/lib/replace/config.m4
+++ b/source4/lib/replace/config.m4
@@ -50,7 +50,7 @@ AC_CHECK_HEADERS(sys/syslog.h syslog.h)
 AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror)
 AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
 AC_CHECK_FUNCS(waitpid strlcpy strlcat innetgr initgroups memmove strdup)
-AC_CHECK_FUNCS(pread pwrite strndup strnlen strcasestr strtok_r mkdtemp)
+AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp)
 AC_HAVE_DECL(setresuid, [#include <unistd.h>])
 AC_HAVE_DECL(setresgid, [#include <unistd.h>])
 AC_HAVE_DECL(errno, [#include <errno.h>])
diff --git a/source4/lib/replace/replace.c b/source4/lib/replace/replace.c
index f8bd62109d..b8f4bc1c3c 100644
--- a/source4/lib/replace/replace.c
+++ b/source4/lib/replace/replace.c
@@ -387,20 +387,6 @@ duplicate a string
 }
 #endif
 
-#ifndef HAVE_STRNLEN
-/**
- Some platforms don't have strnlen
-**/
-
- size_t strnlen(const char *s, size_t n)
-{
-	size_t i;
-	for (i=0; i<n && s[i] != '\0'; i++)
-		/* noop */ ;
-	return i;
-}
-#endif
-
 #ifndef HAVE_WAITPID
 int waitpid(pid_t pid,int *status,int options)
 {
@@ -533,35 +519,3 @@ char *strtok_r(char *s, const char *delim, char **save_ptr)
 	return token;
 }
 #endif
-
-#if !defined(HAVE_TIMEGM)
-
-static int is_leap(unsigned y)
-{
-	y += 1900;
-	return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
-}
-
-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