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amiga-clib2/library/unistd_translaterel.c
Olaf Barthel 7f0f7929ba - Updated copyright text and contact information
- Replaced ISO Latin 1 code #160 with a plain blank space (ASCII code #32) where necessary


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15305 87f5fb63-7c3d-0410-a384-fd976d0f7a62
2015-06-10 13:13:40 +00:00

104 lines
3.0 KiB
C

/*
* $Id: unistd_translaterel.c,v 1.5 2006-01-08 12:04:27 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _UNISTD_HEADERS_H
#include "unistd_headers.h"
#endif /* _UNISTD_HEADERS_H */
/****************************************************************************/
int
__translate_relative_path_name(char const ** name_ptr,char *replacement_buffer,size_t replacement_buffer_size)
{
int result = ERROR;
char * name;
assert( name_ptr != NULL && (*name_ptr) != NULL && replacement_buffer != NULL );
/* If we have a current directory which all references should
* be made relative to, do just that. Absolute paths
* are not modified, though.
*/
name = (char *)(*name_ptr);
if(__current_path_name[0] != '\0' && name[0] != '/')
{
size_t total_len;
BOOL add_slash;
/* Get the current directory name and get
* ready to attach the file name at the end.
*/
total_len = strlen(__current_path_name);
if(__current_path_name[total_len-1] != '/' &&
__current_path_name[total_len-1] != ':' &&
name[0] != '\0')
{
add_slash = TRUE;
total_len++;
}
else
{
add_slash = FALSE;
}
total_len += strlen(name);
/* Check if the complete string will fit, including the terminating NUL byte. */
if(total_len+1 > replacement_buffer_size)
{
__set_errno(ENAMETOOLONG);
goto out;
}
/* Put the file name together. */
strcpy(replacement_buffer,__current_path_name);
if(add_slash)
strcat(replacement_buffer,"/");
strcat(replacement_buffer,name);
assert( strlen(replacement_buffer) < replacement_buffer_size );
(*name_ptr) = replacement_buffer;
}
result = OK;
out:
return(result);
}