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Fix FileUtils::touch() build on Mac.

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The utimensat/futimens system calls were introduced in relatively recent Linux
kernels and are not available on Mac.  Use utimes/futimes instead - since
microsecond precision is fine for our needs.
This commit is contained in:
Robert Knight 2011-08-30 12:36:07 +01:00
parent 50faf07f00
commit 1c3cdde4c1
1 changed files with 7 additions and 2 deletions
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9
src/FileUtils.cpp
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@ -15,6 +15,7 @@
#include <stdio.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <errno.h>
#include <libgen.h>
@ -258,16 +259,20 @@ void FileUtils::touch(const char* path) throw (IOException)
{
#ifdef PLATFORM_UNIX
// see http://pubs.opengroup.org/onlinepubs/9699919799/utilities/touch.html
//
// we use utimes/futimes instead of utimensat/futimens for compatibility
// with older Linux and Mac
if (fileExists(path))
{
utimensat(AT_FDCWD,path,0 /* use current date/time */,0);
utimes(path,0 /* use current date/time */);
}
else
{
int fd = creat(path,S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
if (fd != -1)
{
futimens(fd,0 /* use current date/time */);
futimes(fd,0 /* use current date/time */);
close(fd);
}
else