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#if !defined(lint) && !defined(DOS)
static char rcsid[] = "$Id: filesize.c 761 2007-10-23 22:35:18Z hubert@u.washington.edu $";
#endif
/*
* ========================================================================
* Copyright 2013-2017 Eduardo Chappa
* Copyright 2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#include <system.h>
#include "../charconv/utf8.h"
#include "../charconv/filesys.h"
#include "filesize.h"
/*----------------------------------------------------------------------
Return the number of bytes in given file
Args: file -- file name
Result: the number of bytes in the file is returned or
-1 on error, in which case errno is valid
----*/
long
name_file_size(char *file)
{
struct stat buffer;
if(our_stat(file, &buffer) != 0)
return(-1L);
return((long)buffer.st_size);
}
/*----------------------------------------------------------------------
Return the number of bytes in given file
Args: fp -- FILE * for open file
Result: the number of bytes in the file is returned or
-1 on error, in which case errno is valid
----*/
long
fp_file_size(FILE *fp)
{
struct stat buffer;
if(fstat(fileno(fp), &buffer) != 0)
return(-1L);
return((long)buffer.st_size);
}
/*----------------------------------------------------------------------
Return the modification time of given file
Args: file -- file name
Result: the time of last modification (mtime) of the file is returned or
-1 on error, in which case errno is valid
----*/
time_t
name_file_mtime(char *file)
{
struct stat buffer;
if(our_stat(file, &buffer) != 0)
return((time_t)(-1));
return(buffer.st_mtime);
}
/*----------------------------------------------------------------------
Return the modification time of given file
Args: fp -- FILE * for open file
Result: the time of last modification (mtime) of the file is returned or
-1 on error, in which case errno is valid
----*/
time_t
fp_file_mtime(FILE *fp)
{
struct stat buffer;
if(fstat(fileno(fp), &buffer) != 0)
return((time_t)(-1));
return(buffer.st_mtime);
}
/*----------------------------------------------------------------------
Copy the mode, owner, and group of sourcefile to targetfile.
Args: targetfile --
sourcefile --
We don't bother keeping track of success or failure because we don't care.
----*/
void
file_attrib_copy(char *targetfile, char *sourcefile)
{
struct stat buffer;
if(our_stat(sourcefile, &buffer) == 0){
our_chmod(targetfile, buffer.st_mode);
#if HAVE_CHOWN
our_chown(targetfile, buffer.st_uid, buffer.st_gid);
#endif
}
}
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