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moved file system handling to unix

This commit is contained in:
Allen Webster 2017-06-30 21:32:35 -04:00
parent 88de96e68a
commit 4abdf2f530
2 changed files with 92 additions and 93 deletions
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66
platform_linux/linux_4ed.cpp
View File

@ -52,7 +52,6 @@
#include <stdlib.h>
#include <locale.h>
#include <memory.h>
#include <dlfcn.h>
#include <xmmintrin.h>
#include <pthread.h>
@ -98,7 +97,8 @@
#define LINUX_FN_DEBUG(fmt, ...)
#endif
#define InterlockedCompareExchange(dest, ex, comp) __sync_val_compare_and_swap((dest), (comp), (ex))
#define InterlockedCompareExchange(dest, ex, comp) \
__sync_val_compare_and_swap((dest), (comp), (ex))
//
// Linux structs / enums
@ -240,68 +240,6 @@ internal Sys_Release_Lock_Sig(system_release_lock);
internal void system_wait_cv(i32, i32);
internal void system_signal_cv(i32, i32);
//
// File System
//
internal
Sys_File_Exists_Sig(system_file_exists){
int result = 0;
char buff[PATH_MAX] = {};
if(len + 1 > PATH_MAX){
fputs("system_directory_has_file: path too long\n", stderr);
} else {
memcpy(buff, filename, len);
buff[len] = 0;
struct stat st;
result = stat(buff, &st) == 0 && S_ISREG(st.st_mode);
}
LINUX_FN_DEBUG("%s: %d", buff, result);
return(result);
}
internal
Sys_Directory_CD_Sig(system_directory_cd){
String directory = make_string_cap(dir, *len, cap);
b32 result = 0;
i32 old_size;
if (rel_path[0] != 0){
if (rel_path[0] == '.' && rel_path[1] == 0){
result = 1;
}
else if (rel_path[0] == '.' && rel_path[1] == '.' && rel_path[2] == 0){
result = remove_last_folder(&directory);
terminate_with_null(&directory);
}
else{
if (directory.size + rel_len + 1 > directory.memory_size){
old_size = directory.size;
append_partial_sc(&directory, rel_path);
append_s_char(&directory, '/');
terminate_with_null(&directory);
struct stat st;
if (stat(directory.str, &st) == 0 && S_ISDIR(st.st_mode)){
result = 1;
}
else{
directory.size = old_size;
}
}
}
}
*len = directory.size;
LINUX_FN_DEBUG("%.*s: %d", directory.size, directory.str, result);
return(result);
}
internal
Sys_Show_Mouse_Cursor_Sig(system_show_mouse_cursor){
linuxvars.hide_cursor = !show;

119
platform_unix/unix_4ed_functions.cpp
View File

@ -145,14 +145,7 @@ Sys_Memory_Free_Sig(system_memory_free){
internal
Sys_Set_File_List_Sig(system_set_file_list){
DIR *d;
struct dirent *entry;
char *fname, *cursor, *cursor_start;
File_Info *info_ptr;
i32 character_count, file_count, size, required_size, length;
b32 clear_list = false;
if(directory == 0){
if (directory == 0){
system_memory_free(file_list->block, file_list->block_size);
file_list->block = 0;
file_list->block_size = 0;
@ -163,8 +156,8 @@ Sys_Set_File_List_Sig(system_set_file_list){
LOGF("%s", directory);
d = opendir(directory);
if (d){
DIR *d = opendir(directory);
if (d != 0){
if (canon_directory_out != 0){
u32 length = copy_fast_unsafe_cc(canon_directory_out, directory);
if (canon_directory_out[length-1] != '/'){
@ -174,21 +167,22 @@ Sys_Set_File_List_Sig(system_set_file_list){
*canon_directory_size_out = length;
}
character_count = 0;
file_count = 0;
for (entry = readdir(d);
i32 character_count = 0;
i32 file_count = 0;
for (struct dirent *entry = readdir(d);
entry != 0;
entry = readdir(d)){
fname = entry->d_name;
char *fname = entry->d_name;
if (match_cc(fname, ".") || match_cc(fname, "..")){
continue;
}
++file_count;
for (size = 0; fname[size]; ++size);
++file_count;
i32 size = 0;
for (; fname[size]; ++size);
character_count += size + 1;
}
required_size = character_count + file_count * sizeof(File_Info);
i32 required_size = character_count + file_count * sizeof(File_Info);
if (file_list->block_size < required_size){
system_memory_free(file_list->block, file_list->block_size);
file_list->block = system_memory_allocate(required_size);
@ -196,30 +190,32 @@ Sys_Set_File_List_Sig(system_set_file_list){
}
file_list->infos = (File_Info*)file_list->block;
cursor = (char*)(file_list->infos + file_count);
char *cursor = (char*)(file_list->infos + file_count);
if (file_list->block != 0){
rewinddir(d);
info_ptr = file_list->infos;
for (entry = readdir(d);
File_Info *info_ptr = file_list->infos;
for (struct dirent *entry = readdir(d);
entry != 0;
entry = readdir(d)){
fname = entry->d_name;
char *fname = entry->d_name;
if (match_cc(fname, ".") || match_cc(fname, "..")){
continue;
}
cursor_start = cursor;
length = copy_fast_unsafe_cc(cursor_start, fname);
char *cursor_start = cursor;
i32 length = copy_fast_unsafe_cc(cursor_start, fname);
cursor += length;
if(entry->d_type == DT_LNK){
struct stat st;
if(stat(entry->d_name, &st) != -1){
info_ptr->folder = S_ISDIR(st.st_mode);
} else {
}
else{
info_ptr->folder = 0;
}
} else {
}
else{
info_ptr->folder = (entry->d_type == DT_DIR);
}
@ -233,7 +229,8 @@ Sys_Set_File_List_Sig(system_set_file_list){
file_list->count = file_count;
closedir(d);
} else {
}
else{
system_memory_free(file_list->block, file_list->block_size);
file_list->block = 0;
file_list->block_size = 0;
@ -322,7 +319,8 @@ Sys_Load_Size_Sig(system_load_size){
if(fstat(fd, &st) == -1){
LOG("fstat");
} else {
}
else{
result = st.st_size;
}
@ -332,14 +330,16 @@ Sys_Load_Size_Sig(system_load_size){
internal
Sys_Load_File_Sig(system_load_file){
int fd = *(int*)&handle;
do {
do{
ssize_t n = read(fd, buffer, size);
if(n == -1){
if(errno != EINTR){
LOG("read");
break;
}
} else {
}
else{
size -= n;
buffer += n;
}
@ -387,6 +387,67 @@ Sys_Save_File_Sig(system_save_file){
return (size == 0);
}
//
// File System
//
internal
Sys_File_Exists_Sig(system_file_exists){
int result = 0;
char buff[PATH_MAX] = {};
if (len + 1 > PATH_MAX){
LOG("system_directory_has_file: path too long\n");
}
else{
memcpy(buff, filename, len);
buff[len] = 0;
struct stat st;
result = stat(buff, &st) == 0 && S_ISREG(st.st_mode);
}
LOGF("%s: %d", buff, result);
return(result);
}
internal
Sys_Directory_CD_Sig(system_directory_cd){
String directory = make_string_cap(dir, *len, cap);
b32 result = false;
if (rel_path[0] != 0){
if (rel_path[0] == '.' && rel_path[1] == 0){
result = true;
}
else if (rel_path[0] == '.' && rel_path[1] == '.' && rel_path[2] == 0){
result = remove_last_folder(&directory);
terminate_with_null(&directory);
}
else{
if (directory.size + rel_len + 1 > directory.memory_size){
i32 old_size = directory.size;
append_partial_sc(&directory, rel_path);
append_s_char(&directory, '/');
terminate_with_null(&directory);
struct stat st;
if (stat(directory.str, &st) == 0 && S_ISDIR(st.st_mode)){
result = true;
}
else{
directory.size = old_size;
}
}
}
}
*len = directory.size;
LOGF("%.*s: %d", directory.size, directory.str, result);
return(result);
}
//
// Time
//