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#if !defined(lint) && !defined(DOS)
static char rcsid[] = "$Id: readfile.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 "../pith/headers.h"
#include "../pith/store.h"
#include "readfile.h"
/*----------------------------------------------------------------------
Read whole file into memory
Args: filename -- path name of file to read
Result: Returns pointer to malloced memory with the contents of the file
or NULL
This won't work very well if the file has NULLs in it.
----*/
char *
read_file(char *filename, int so_get_flags)
{
STORE_S *in_file = NULL, *out_store = NULL;
unsigned char c;
char *return_text = NULL;
if((in_file = so_get(FileStar, filename, so_get_flags | READ_ACCESS))){
if(!(out_store = so_get(CharStar, NULL, EDIT_ACCESS))){
so_give(&in_file);
return NULL;
}
/*
* We're just using the READ_FROM_LOCALE flag to translate
* to UTF-8.
*/
while(so_readc(&c, in_file))
so_writec(c, out_store);
if(in_file)
so_give(&in_file);
if(out_store){
return_text = (char *) so_text(out_store);
/* avoid freeing this */
if(out_store->txt)
out_store->txt = NULL;
so_give(&out_store);
}
}
return(return_text);
}
/* our copy, to_file and from_file must be full paths. from_file
* must exist.
*/
int
our_copy(char *to_file, char *from_file)
{
STORE_S *in_cert, *out_cert;
unsigned char c;
in_cert = so_get(FileStar, from_file, READ_ACCESS | READ_FROM_LOCALE);
if (in_cert == NULL)
return -1;
out_cert = so_get(FileStar, to_file, WRITE_ACCESS | WRITE_TO_LOCALE);
if (out_cert == NULL){
so_give(&in_cert);
return -1;
}
so_seek(out_cert, 0L, 0);
so_truncate(out_cert, 0);
while(so_readc(&c, in_cert) > 0)
so_writec(c, out_cert);
so_give(&in_cert);
so_give(&out_cert);
return 0;
}
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