1 files changed, 193 insertions, 0 deletions
diff --git a/src/winfiles.c b/src/winfiles.c
new file mode 100644
index 0000000..76a8a0f
--- /dev/null
+++ b/src/winfiles.c
@@ -0,0 +1,193 @@
+#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/", "./");
+}