pulled out shared implementation of file interface on platform layer

This commit is contained in:
Allen Webster 2016-08-29 09:57:05 -04:00
parent d61adebba2
commit 3531c20e56
2 changed files with 112 additions and 98 deletions

View File

@ -9,6 +9,113 @@
// TOP // TOP
//
// Standard implementation of file system stuff
// based on the file track layer.
//
struct Shared_Vars{
File_Track_System track;
void *track_table;
u32 track_table_size;
u32 track_node_size;
};
static Shared_Vars shared_vars;
internal void
init_shared_vars(){
shared_vars.track_table_size = (16 << 10);
shared_vars.track_table = system_get_memory(shared_vars.track_table_size);
shared_vars.track_node_size = (16 << 10);
void *track_nodes = system_get_memory(shared_vars.track_node_size);
i32 track_result =
init_track_system(&shared_vars.track,
shared_vars.track_table, shared_vars.track_table_size,
track_nodes, shared_vars.track_node_size);
if (track_result != FileTrack_Good){
exit(1);
}
}
internal b32
handle_track_out_of_memory(i32 val){
b32 result = 0;
switch (val){
case FileTrack_OutOfTableMemory:
{
u32 new_table_size = shared_vars.track_table_size*2;
void *new_table = system_get_memory(new_table_size);
move_track_system(&shared_vars.track, new_table, new_table_size);
system_free_memory(shared_vars.track_table);
shared_vars.track_table_size = new_table_size;
shared_vars.track_table = new_table;
}break;
case FileTrack_OutOfListenerMemory:
{
shared_vars.track_node_size *= 2;
void *node_expansion = system_get_memory(shared_vars.track_node_size);
expand_track_system_listeners(&shared_vars.track, node_expansion, shared_vars.track_node_size);
}break;
default: result = 1; break;
}
return(result);
}
internal
Sys_Add_Listener_Sig(system_add_listener){
b32 result = 0;
for (;;){
i32 track_result = add_listener(&shared_vars.track, filename);
if (handle_track_out_of_memory(track_result)){
if (track_result == FileTrack_Good){
result = 1;
}
break;
}
}
return(result);
}
internal
Sys_Remove_Listener_Sig(system_remove_listener){
i32 result = 0;
i32 track_result = remove_listener(&shared_vars.track, filename);
if (track_result == FileTrack_Good){
result = 1;
}
return(result);
}
internal
Sys_Get_File_Change_Sig(system_get_file_change){
i32 result = 0;
i32 size = 0;
i32 get_result = get_change_event(&shared_vars.track, buffer, max, &size);
*required_size = size;
*mem_too_small = 0;
if (get_result == FileTrack_Good){
result = 1;
}
else if (get_result == FileTrack_MemoryTooSmall){
*mem_too_small = 1;
result = 1;
}
return(result);
}
// //
// General shared pieces // General shared pieces
// //

View File

@ -33,7 +33,8 @@
#include <Windows.h> #include <Windows.h>
#include <GL/gl.h> #include <GL/gl.h>
#include <GL/glext.h>
#define GL_TEXTURE_MAX_LEVEL 0x813D
#include "filetrack/4tech_file_track_win32.c" #include "filetrack/4tech_file_track_win32.c"
@ -185,11 +186,6 @@ struct Win32_Vars{
b32 first; b32 first;
i32 running_cli; i32 running_cli;
File_Track_System track;
void *track_table;
u32 track_table_size;
u32 track_node_size;
Drive_Strings dstrings; Drive_Strings dstrings;
#if FRED_INTERNAL #if FRED_INTERNAL
@ -862,34 +858,6 @@ Sys_Set_File_List_Sig(system_set_file_list){
} }
} }
internal b32
handle_track_out_of_memory(i32 val){
b32 result = 0;
switch (val){
case FileTrack_OutOfTableMemory:
{
u32 new_table_size = win32vars.track_table_size*2;
void *new_table = system_get_memory(new_table_size);
move_track_system(&win32vars.track, new_table, new_table_size);
system_free_memory(win32vars.track_table);
win32vars.track_table_size = new_table_size;
win32vars.track_table = new_table;
}break;
case FileTrack_OutOfListenerMemory:
{
win32vars.track_node_size *= 2;
void *node_expansion = system_get_memory(win32vars.track_node_size);
expand_track_system_listeners(&win32vars.track, node_expansion, win32vars.track_node_size);
}break;
default: result = 1; break;
}
return(result);
}
internal void internal void
set_volume_prefix(Drive_Strings *dstrings, char *vol){ set_volume_prefix(Drive_Strings *dstrings, char *vol){
char c = vol[0]; char c = vol[0];
@ -1017,53 +985,6 @@ Sys_Get_Canonical_Sig(system_get_canonical){
return(result); return(result);
} }
internal
Sys_Add_Listener_Sig(system_add_listener){
b32 result = 0;
for (;;){
i32 track_result = add_listener(&win32vars.track, filename);
if (handle_track_out_of_memory(track_result)){
if (track_result == FileTrack_Good){
result = 1;
}
break;
}
}
return(result);
}
internal
Sys_Remove_Listener_Sig(system_remove_listener){
i32 result = 0;
i32 track_result = remove_listener(&win32vars.track, filename);
if (track_result == FileTrack_Good){
result = 1;
}
return(result);
}
internal
Sys_Get_File_Change_Sig(system_get_file_change){
i32 result = 0;
i32 size = 0;
i32 get_result = get_change_event(&win32vars.track, buffer, max, &size);
*required_size = size;
*mem_too_small = 0;
if (get_result == FileTrack_Good){
result = 1;
}
else if (get_result == FileTrack_MemoryTooSmall){
*mem_too_small = 1;
result = 1;
}
return(result);
}
internal internal
Sys_Load_Handle_Sig(system_load_handle){ Sys_Load_Handle_Sig(system_load_handle){
b32 result = 0; b32 result = 0;
@ -1918,8 +1839,8 @@ Win32Callback(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam){
#define GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242 #define GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242
#define GL_DEBUG_OUTPUT 0x92E0 #define GL_DEBUG_OUTPUT 0x92E0
//typedef void GLDEBUGPROC_TYPE(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char * message, const GLvoid * userParam); typedef void GLDEBUGPROC_TYPE(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char * message, const GLvoid * userParam);
//typedef GLDEBUGPROC_TYPE * GLDEBUGPROC; typedef GLDEBUGPROC_TYPE * GLDEBUGPROC;
typedef void glDebugMessageControl_type(GLenum source, GLenum type, GLenum severity, GLsizei count, GLuint * ids, GLboolean enabled); typedef void glDebugMessageControl_type(GLenum source, GLenum type, GLenum severity, GLsizei count, GLuint * ids, GLboolean enabled);
typedef void glDebugMessageCallback_type(GLDEBUGPROC callback, void * userParam); typedef void glDebugMessageCallback_type(GLDEBUGPROC callback, void * userParam);
@ -2065,21 +1986,7 @@ WinMain(HINSTANCE hInstance,
// File Track System // File Track System
// //
win32vars.track_table_size = (16 << 10); init_shared_vars();
win32vars.track_table = system_get_memory(win32vars.track_table_size);
win32vars.track_node_size = (16 << 10);
void *track_nodes = system_get_memory(win32vars.track_node_size);
i32 track_result =
init_track_system(&win32vars.track,
win32vars.track_table, win32vars.track_table_size,
track_nodes, win32vars.track_node_size);
if (track_result != FileTrack_Good){
exit(1);
}
// //
// Read Command Line // Read Command Line