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#define _CRT_SECURE_NO_WARNINGS
#include <windows.h>
#include "files.h"
static char *local_dir;
static char *global_dir;
/*
Sets the local and global directories used by the other functions.
Local = ~/.dir, where config and user-installed files are kept.
Global = installdir, where installed data is stored.
*/
int SetGameDirectories(const char *local, const char *global)
{
local_dir = _strdup(local);
global_dir = _strdup(global);
// TODO - create local directory if it doesn't exist
return 0;
}
#define DIR_SEPARATOR "\\"
static char *FixFilename(const char *filename, const char *prefix, int force)
{
char *f, *ptr;
int flen;
int plen;
plen = strlen(prefix) + 1;
flen = strlen(filename) + plen + 1;
f = (char *)malloc(flen);
strcpy(f, prefix);
strcat(f, DIR_SEPARATOR);
strcat(f, filename);
/* only the filename part needs to be modified */
ptr = &f[plen+1];
while (*ptr) {
if ((*ptr == '/') || (*ptr == '\\') || (*ptr == ':')) {
*ptr = DIR_SEPARATOR[0];
} else if (*ptr == '\r' || *ptr == '\n') {
*ptr = 0;
break;
} else {
if (force) {
*ptr = tolower(*ptr);
}
}
ptr++;
}
return f;
}
/*
Open a file of type type, with mode mode.
Mode can be:
#define FILEMODE_READONLY 0x01
#define FILEMODE_WRITEONLY 0x02
#define FILEMODE_READWRITE 0x04
#define FILEMODE_APPEND 0x08
Type is (mode = ReadOnly):
#define FILETYPE_PERM 0x08 // try the global dir only
#define FILETYPE_OPTIONAL 0x10 // try the global dir first, then try the local dir
#define FILETYPE_CONFIG 0x20 // try the local dir only
Type is (mode = WriteOnly or ReadWrite):
FILETYPE_PERM: error
FILETYPE_OPTIONAL: error
FILETYPE_CONFIG: try the local dir only
*/
FILE *OpenGameFile(const char *filename, int mode, int type)
{
char *rfilename;
char *openmode;
FILE *fp;
if ((type != FILETYPE_CONFIG) && (mode != FILEMODE_READONLY))
return NULL;
switch(mode) {
case FILEMODE_READONLY:
openmode = "rb";
break;
case FILEMODE_WRITEONLY:
openmode = "wb";
break;
case FILEMODE_READWRITE:
openmode = "w+";
break;
case FILEMODE_APPEND:
openmode = "ab";
break;
default:
return NULL;
}
if (type != FILETYPE_CONFIG) {
rfilename = FixFilename(filename, global_dir, 0);
fp = fopen(rfilename, openmode);
free(rfilename);
if (fp != NULL) {
return fp;
}
rfilename = FixFilename(filename, global_dir, 1);
fp = fopen(rfilename, openmode);
free(rfilename);
if (fp != NULL) {
return fp;
}
}
if (type != FILETYPE_PERM) {
rfilename = FixFilename(filename, local_dir, 0);
fp = fopen(rfilename, openmode);
free(rfilename);
if (fp != NULL) {
return fp;
}
rfilename = FixFilename(filename, local_dir, 1);
fp = fopen(rfilename, openmode);
free(rfilename);
return fp;
}
return NULL;
}
int CloseGameFile(FILE *pfd)
{
return fclose(pfd);
}
int GetGameFileAttributes(const char *filename, int type)
{
// TODO
return 0;
}
int DeleteGameFile(const char *filename)
{
// TODO
return 0;
}
int CreateGameDirectory(const char *dirname)
{
// TODO
return 0;
}
void *OpenGameDirectory(const char *dirname, const char *pattern, int type)
{
// TODO
return NULL;
}
GameDirectoryFile *ScanGameDirectory(void *dir)
{
// TODO
return NULL;
}
int CloseGameDirectory(void *dir)
{
// TODO
return 0;
}
void InitGameDirectories(char *argv0)
{
SetGameDirectories("local", ".");
}
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