mirror of
https://github.com/ZDoom/Raze.git
synced 2024-11-16 17:32:13 +00:00
151 lines
3.9 KiB
C
Executable file
151 lines
3.9 KiB
C
Executable file
/*
|
|
Copyright (C) 2003-2004 Ryan C. Gordon. and James Bentler
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
Originally written by Ryan C. Gordon. (icculus@clutteredmind.org)
|
|
Adapted to work with JonoF's port by James Bentler (bentler@cs.umn.edu)
|
|
|
|
*/
|
|
|
|
static char ApogeePath[256] = "/tmp/";
|
|
|
|
#define PATH_SEP_CHAR '/'
|
|
#define PATH_SEP_STR "/"
|
|
#define ROOTDIR "/"
|
|
#define CURDIR "./"
|
|
|
|
#include "duke3d.h"
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
|
|
#ifndef MAX_PATH
|
|
#define MAX_PATH 256
|
|
#endif
|
|
|
|
void FixFilePath(char *filename)
|
|
{
|
|
char *ptr;
|
|
char *lastsep = filename;
|
|
|
|
if ((!filename) || (*filename == '\0'))
|
|
return;
|
|
|
|
if (access(filename, F_OK) == 0) /* File exists; we're good to go. */
|
|
return;
|
|
|
|
for (ptr = filename; 1; ptr++)
|
|
{
|
|
if (*ptr == '\\')
|
|
*ptr = PATH_SEP_CHAR;
|
|
|
|
if ((*ptr == PATH_SEP_CHAR) || (*ptr == '\0'))
|
|
{
|
|
char pch = *ptr;
|
|
struct dirent *dent = NULL;
|
|
DIR *dir;
|
|
|
|
if ((pch == PATH_SEP_CHAR) && (*(ptr + 1) == '\0'))
|
|
return; /* eos is pathsep; we're done. */
|
|
|
|
if (lastsep == ptr)
|
|
continue; /* absolute path; skip to next one. */
|
|
|
|
*ptr = '\0';
|
|
if (lastsep == filename)
|
|
{
|
|
dir = opendir((*lastsep == PATH_SEP_CHAR) ? ROOTDIR : CURDIR);
|
|
|
|
if (*lastsep == PATH_SEP_CHAR)
|
|
{
|
|
lastsep++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*lastsep = '\0';
|
|
dir = opendir(filename);
|
|
*lastsep = PATH_SEP_CHAR;
|
|
lastsep++;
|
|
}
|
|
|
|
if (dir == NULL)
|
|
{
|
|
*ptr = PATH_SEP_CHAR;
|
|
return; /* maybe dir doesn't exist? give up. */
|
|
}
|
|
|
|
while ((dent = readdir(dir)) != NULL)
|
|
{
|
|
if (strcasecmp(dent->d_name, lastsep) == 0)
|
|
{
|
|
/* found match; replace it. */
|
|
strcpy(lastsep, dent->d_name);
|
|
break;
|
|
}
|
|
}
|
|
|
|
closedir(dir);
|
|
*ptr = pch;
|
|
lastsep = ptr;
|
|
|
|
if (dent == NULL)
|
|
return; /* no match. oh well. */
|
|
|
|
if (pch == '\0') /* eos? */
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
int32 SafeOpenWrite(const char *_filename, int32 filetype)
|
|
{
|
|
int handle;
|
|
char filename[MAX_PATH];
|
|
strncpy(filename, _filename, sizeof(filename));
|
|
filename[sizeof(filename) - 1] = '\0';
|
|
FixFilePath(filename);
|
|
|
|
handle = open(filename,O_RDWR | O_BINARY | O_CREAT | O_TRUNC
|
|
, S_IREAD | S_IWRITE);
|
|
|
|
if (handle == -1)
|
|
Error("Error opening %s: %s",filename,strerror(errno));
|
|
|
|
return handle;
|
|
}
|
|
|
|
|
|
void SafeWrite(int32 handle, void *buffer, int32 count)
|
|
{
|
|
unsigned iocount;
|
|
|
|
while (count)
|
|
{
|
|
iocount = count > 0x8000 ? 0x8000 : count;
|
|
if (write(handle,buffer,iocount) != (int)iocount)
|
|
Error("File write failure writing %ld bytes",count);
|
|
buffer = (void *)((byte *)buffer + iocount);
|
|
count -= iocount;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void GetUnixPathFromEnvironment(char *fullname, int32 length, const char *filename)
|
|
{
|
|
snprintf(fullname, length-1, "%s%s", ApogeePath, filename);
|
|
}
|