Merge pull request #33 from zangent/master

Base of *nix port
This commit is contained in:
gingerBill
2017-04-09 22:01:22 +01:00
committed by GitHub
18 changed files with 999 additions and 181 deletions
-3
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@@ -376,6 +376,3 @@ F64_MIN_10_EXP :: -307; // min decimal exponent
F64_MIN_EXP :: -1021; // min binary exponent
F64_RADIX :: 2; // exponent radix
F64_ROUNDS :: 1; // addition rounding: near
+1 -1
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@@ -1,3 +1,3 @@
#load "os_windows.odin" when ODIN_OS == "windows";
#load "os_x.odin" when ODIN_OS == "osx";
#load "os_linux.odin" when ODIN_OS == "linux";
+313
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@@ -0,0 +1,313 @@
#import "fmt.odin";
#import "strings.odin";
Handle :: i32;
File_Time :: u64;
Errno :: int;
// TODO(zangent): Find out how to make this work on x64 and x32.
AddressSize :: i64;
// INVALID_HANDLE: Handle : -1;
O_RDONLY :: 0x00000;
O_WRONLY :: 0x00001;
O_RDWR :: 0x00002;
O_CREAT :: 0x00040;
O_EXCL :: 0x00080;
O_NOCTTY :: 0x00100;
O_TRUNC :: 0x00200;
O_NONBLOCK :: 0x00800;
O_APPEND :: 0x00400;
O_SYNC :: 0x01000;
O_ASYNC :: 0x02000;
O_CLOEXEC :: 0x80000;
SEEK_SET :: 0;
SEEK_CUR :: 1;
SEEK_END :: 2;
SEEK_DATA :: 3;
SEEK_HOLE :: 4;
SEEK_MAX :: SEEK_HOLE;
// NOTE(zangent): These are OS specific!
// Do not mix these up!
RTLD_LAZY :: 0x001;
RTLD_NOW :: 0x002;
RTLD_BINDING_MASK :: 0x3;
RTLD_GLOBAL :: 0x100;
args: [dynamic]string;
FileTime :: struct #ordered {
seconds: i64,
nanoseconds: i32,
reserved: i32
}
// Translated from
// https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.7-4.6/+/jb-dev/sysroot/usr/include/bits/stat.h
// Validity is not guaranteed.
Stat :: struct #ordered {
device_id : u64, // ID of device containing file
serial : u64, // File serial number
nlink : u32, // Number of hard links
mode : u32, // Mode of the file
uid : u32, // User ID of the file's owner
gid : u32, // Group ID of the file's group
_padding : i32, // 32 bits of padding
rdev : u64, // Device ID, if device
size : i64, // Size of the file, in bytes
block_size : i64, // Optimal bllocksize for I/O
blocks : i64, // Number of 512-byte blocks allocated
last_access : FileTime, // Time of last access
modified : FileTime, // Time of last modification
status_change : FileTime, // Time of last status change
_reserve1,
_reserve2,
_reserve3 : i64,
serial : u64, // File serial number...? Maybe.
_reserve4 : i64
};
// File type
S_IFMT :: 0170000; // Type of file mask
S_IFIFO :: 0010000; // Named pipe (fifo)
S_IFCHR :: 0020000; // Character special
S_IFDIR :: 0040000; // Directory
S_IFBLK :: 0060000; // Block special
S_IFREG :: 0100000; // Regular
S_IFLNK :: 0120000; // Symbolic link
S_IFSOCK :: 0140000; // Socket
// File mode
// Read, write, execute/search by owner
S_IRWXU :: 0000700; // RWX mask for owner
S_IRUSR :: 0000400; // R for owner
S_IWUSR :: 0000200; // W for owner
S_IXUSR :: 0000100; // X for owner
// Read, write, execute/search by group
S_IRWXG :: 0000070; // RWX mask for group
S_IRGRP :: 0000040; // R for group
S_IWGRP :: 0000020; // W for group
S_IXGRP :: 0000010; // X for group
// Read, write, execute/search by others
S_IRWXO :: 0000007; // RWX mask for other
S_IROTH :: 0000004; // R for other
S_IWOTH :: 0000002; // W for other
S_IXOTH :: 0000001; // X for other
S_ISUID :: 0004000; // Set user id on execution
S_ISGID :: 0002000; // Set group id on execution
S_ISVTX :: 0001000; // Directory restrcted delete
S_ISLNK :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFLNK; }
S_ISREG :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFREG; }
S_ISDIR :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFDIR; }
S_ISCHR :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFCHR; }
S_ISBLK :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFBLK; }
S_ISFIFO :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFIFO; }
S_ISSOCK :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFSOCK;}
R_OK :: 4; // Test for read permission
W_OK :: 2; // Test for write permission
X_OK :: 1; // Test for execute permission
F_OK :: 0; // Test for file existance
#foreign_system_library dl "dl";
#foreign_system_library libc "c";
unix_open :: proc(path: ^u8, mode: int) -> Handle #foreign libc "open";
unix_close :: proc(handle: Handle) #foreign libc "close";
unix_read :: proc(handle: Handle, buffer: rawptr, count: int) -> AddressSize #foreign libc "read";
unix_write :: proc(handle: Handle, buffer: rawptr, count: int) -> AddressSize #foreign libc "write";
unix_lseek :: proc(fs: Handle, offset: AddressSize, whence: int) -> AddressSize #foreign libc "lseek";
unix_gettid :: proc() -> u64 #foreign libc "gettid";
unix_stat :: proc(path: ^u8, stat: ^Stat) -> int #foreign libc "stat";
unix_access :: proc(path: ^u8, mask: int) -> int #foreign libc "access";
unix_malloc :: proc(size: int) -> rawptr #foreign libc "malloc";
unix_free :: proc(ptr: rawptr) #foreign libc "free";
unix_realloc :: proc(ptr: rawptr, size: int) -> rawptr #foreign libc "realloc";
unix_getenv :: proc(^u8) -> ^u8 #foreign libc "getenv";
unix_exit :: proc(status: int) #foreign libc "exit";
unix_dlopen :: proc(filename: ^u8, flags: int) -> rawptr #foreign dl "dlopen";
unix_dlsym :: proc(handle: rawptr, symbol: ^u8) -> (proc() #cc_c) #foreign dl "dlsym";
unix_dlclose :: proc(handle: rawptr) -> int #foreign dl "dlclose";
unix_dlerror :: proc() -> ^u8 #foreign dl "dlerror";
// TODO(zangent): Change this to just `open` when Bill fixes overloading.
open_simple :: proc(path: string, mode: int) -> (Handle, Errno) {
cstr := strings.new_c_string(path);
handle := unix_open(cstr, mode);
free(cstr);
if(handle == -1) {
return 0, 1;
}
return handle, 0;
}
// NOTE(zangent): This is here for compatability reasons. Should this be here?
open :: proc(path: string, mode: int, perm: u32) -> (Handle, Errno) {
return open_simple(path, mode);
}
close :: proc(fd: Handle) {
unix_close(fd);
}
write :: proc(fd: Handle, data: []byte) -> (AddressSize, Errno) {
assert(fd != -1);
bytes_written := unix_write(fd, ^data[0], len(data));
if(bytes_written == -1) {
return 0, 1;
}
return bytes_written, 0;
}
read :: proc(fd: Handle, data: []byte) -> (AddressSize, Errno) {
assert(fd != -1);
bytes_read := unix_read(fd, ^data[0], len(data));
if(bytes_read == -1) {
return 0, 1;
}
return bytes_read, 0;
}
seek :: proc(fd: Handle, offset: AddressSize, whence: int) -> (AddressSize, Errno) {
assert(fd != -1);
final_offset := unix_lseek(fd, offset, whence);
if(final_offset == -1) {
return 0, 1;
}
return final_offset, 0;
}
// NOTE(bill): Uses startup to initialize it
stdin: Handle = 0; // get_std_handle(win32.STD_INPUT_HANDLE);
stdout: Handle = 1; // get_std_handle(win32.STD_OUTPUT_HANDLE);
stderr: Handle = 2; // get_std_handle(win32.STD_ERROR_HANDLE);
/* TODO(zangent): Implement these!
last_write_time :: proc(fd: Handle) -> File_Time {}
last_write_time_by_name :: proc(name: string) -> File_Time {}
*/
stat :: proc(path: string) -> (Stat, int) #inline {
s: Stat;
cstr := strings.new_c_string(path);
defer free(cstr);
ret_int := unix_stat(cstr, ^s);
return s, ret_int;
}
access :: proc(path: string, mask: int) -> bool #inline {
cstr := strings.new_c_string(path);
defer free(cstr);
return unix_access(cstr, mask) == 0;
}
read_entire_file :: proc(name: string) -> ([]byte, bool) {
handle, err := open_simple(name, O_RDONLY);
if(err != 0) {
fmt.println("Failed to open file.");
return nil, false;
}
defer(close(handle));
// We have a file!
size: AddressSize;
size, err = seek(handle, 0, SEEK_END);
if(err != 0) {
fmt.println("Failed to seek to end of file.");
return nil, false;
}
_, err = seek(handle, 0, SEEK_SET);
if(err != 0) {
fmt.println("Failed to seek to beginning of file.");
return nil, false;
}
// We have a file size!
data := make([]u8, size+1);
if data == nil {
fmt.println("Failed to allocate file buffer.");
return nil, false;
}
read(handle, data);
data[size] = 0;
return data, true;
}
heap_alloc :: proc(size: int) -> rawptr {
assert(size > 0);
return unix_malloc(size);
}
heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr {
return unix_realloc(ptr, new_size);
}
heap_free :: proc(ptr: rawptr) {
unix_free(ptr);
}
getenv :: proc(name: string) -> (string, bool) {
path_str := strings.new_c_string(name);
cstr: ^u8 = unix_getenv(path_str);
free(path_str);
if(cstr == nil) {
return "", false;
}
return strings.to_odin_string(cstr), true;
}
exit :: proc(code: int) {
unix_exit(code);
}
current_thread_id :: proc() -> int {
// return cast(int) unix_gettid();
return 0;
}
dlopen :: proc(filename: string, flags: int) -> rawptr #inline {
cstr := strings.new_c_string(filename);
handle := unix_dlopen(cstr, flags);
free(cstr);
return handle;
}
dlsym :: proc(handle: rawptr, symbol: string) -> (proc() #cc_c) #inline {
assert(handle != nil);
cstr := strings.new_c_string(symbol);
proc_handle := unix_dlsym(handle, cstr);
free(cstr);
return proc_handle;
}
dlclose :: proc(handle: rawptr) -> bool #inline {
assert(handle != nil);
return unix_dlclose(handle) == 0;
}
dlerror :: proc() -> string {
return strings.to_odin_string(unix_dlerror());
}
+222 -140
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@@ -1,11 +1,14 @@
#import "fmt.odin";
#import "strings.odin";
Handle :: i32;
File_Time :: u64;
Errno :: int;
// INVALID_HANDLE: Handle : -1;
// TODO(zangent): Find out how to make this work on x64 and x32.
AddressSize :: i64;
// INVALID_HANDLE: Handle : -1;
O_RDONLY :: 0x00000;
O_WRONLY :: 0x00001;
@@ -19,91 +22,178 @@ O_APPEND :: 0x00400;
O_SYNC :: 0x01000;
O_ASYNC :: 0x02000;
O_CLOEXEC :: 0x80000;
SEEK_SET :: 0;
SEEK_CUR :: 1;
SEEK_END :: 2;
SEEK_DATA :: 3;
SEEK_HOLE :: 4;
SEEK_MAX :: SEEK_HOLE;
// ERROR_NONE: Errno : 0;
// ERROR_FILE_NOT_FOUND: Errno : 2;
// ERROR_PATH_NOT_FOUND: Errno : 3;
// ERROR_ACCESS_DENIED: Errno : 5;
// ERROR_NO_MORE_FILES: Errno : 18;
// ERROR_HANDLE_EOF: Errno : 38;
// ERROR_NETNAME_DELETED: Errno : 64;
// ERROR_FILE_EXISTS: Errno : 80;
// ERROR_BROKEN_PIPE: Errno : 109;
// ERROR_BUFFER_OVERFLOW: Errno : 111;
// ERROR_INSUFFICIENT_BUFFER: Errno : 122;
// ERROR_MOD_NOT_FOUND: Errno : 126;
// ERROR_PROC_NOT_FOUND: Errno : 127;
// ERROR_DIR_NOT_EMPTY: Errno : 145;
// ERROR_ALREADY_EXISTS: Errno : 183;
// ERROR_ENVVAR_NOT_FOUND: Errno : 203;
// ERROR_MORE_DATA: Errno : 234;
// ERROR_OPERATION_ABORTED: Errno : 995;
// ERROR_IO_PENDING: Errno : 997;
// ERROR_NOT_FOUND: Errno : 1168;
// ERROR_PRIVILEGE_NOT_HELD: Errno : 1314;
// WSAEACCES: Errno : 10013;
// WSAECONNRESET: Errno : 10054;
// NOTE(zangent): These are OS specific!
// Do not mix these up!
RTLD_LAZY :: 0x1;
RTLD_NOW :: 0x2;
RTLD_LOCAL :: 0x4;
RTLD_GLOBAL :: 0x8;
RTLD_NODELETE :: 0x80;
RTLD_NOLOAD :: 0x10;
RTLD_FIRST :: 0x100;
// Windows reserves errors >= 1<<29 for application use
// ERROR_FILE_IS_PIPE: Errno : 1<<29 + 0;
args: [dynamic]string;
FileTime :: struct #ordered {
seconds: i64,
nanoseconds: i64
}
Stat :: struct #ordered {
device_id : i32, // ID of device containing file
mode : u16, // Mode of the file
nlink : u16, // Number of hard links
serial : u64, // File serial number
uid : u32, // User ID of the file's owner
gid : u32, // Group ID of the file's group
rdev : i32, // Device ID, if device
last_access : FileTime, // Time of last access
modified : FileTime, // Time of last modification
status_change : FileTime, // Time of last status change
created : FileTime, // Time of creation
size : i64, // Size of the file, in bytes
blocks : i64, // Number of blocks allocated for the file
block_size: i32, // Optimal blocksize for I/O
flags : u32, // User-defined flags for the file
gen_num : u32, // File generation number ...?
_spare : i32, // RESERVED
_reserve1,
_reserve2 : i64, // RESERVED
};
// File type
S_IFMT :: 0170000; // Type of file mask
S_IFIFO :: 0010000; // Named pipe (fifo)
S_IFCHR :: 0020000; // Character special
S_IFDIR :: 0040000; // Directory
S_IFBLK :: 0060000; // Block special
S_IFREG :: 0100000; // Regular
S_IFLNK :: 0120000; // Symbolic link
S_IFSOCK :: 0140000; // Socket
// File mode
// Read, write, execute/search by owner
S_IRWXU :: 0000700; // RWX mask for owner
S_IRUSR :: 0000400; // R for owner
S_IWUSR :: 0000200; // W for owner
S_IXUSR :: 0000100; // X for owner
// Read, write, execute/search by group
S_IRWXG :: 0000070; // RWX mask for group
S_IRGRP :: 0000040; // R for group
S_IWGRP :: 0000020; // W for group
S_IXGRP :: 0000010; // X for group
// Read, write, execute/search by others
S_IRWXO :: 0000007; // RWX mask for other
S_IROTH :: 0000004; // R for other
S_IWOTH :: 0000002; // W for other
S_IXOTH :: 0000001; // X for other
S_ISUID :: 0004000; // Set user id on execution
S_ISGID :: 0002000; // Set group id on execution
S_ISVTX :: 0001000; // Directory restrcted delete
S_ISLNK :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFLNK; }
S_ISREG :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFREG; }
S_ISDIR :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFDIR; }
S_ISCHR :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFCHR; }
S_ISBLK :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFBLK; }
S_ISFIFO :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFIFO; }
S_ISSOCK :: proc(m: u32) -> bool #inline {return ((m) & S_IFMT) == S_IFSOCK;}
R_OK :: 4; // Test for read permission
W_OK :: 2; // Test for write permission
X_OK :: 1; // Test for execute permission
F_OK :: 0; // Test for file existance
#foreign_system_library dl "dl";
#foreign_system_library libc "c";
unix_open :: proc(path: ^u8, mode: int, perm: u32) -> Handle #foreign libc "open";
unix_close :: proc(handle: Handle) #foreign libc "close";
unix_read :: proc(handle: Handle, buffer: rawptr, count: int) -> int #foreign libc "read";
unix_write :: proc(handle: Handle, buffer: rawptr, count: int) -> int #foreign libc "write";
unix_gettid :: proc() -> u64 #foreign libc "gettid";
unix_open :: proc(path: ^u8, mode: int) -> Handle #foreign libc "open";
unix_close :: proc(handle: Handle) #foreign libc "close";
unix_read :: proc(handle: Handle, buffer: rawptr, count: int) -> AddressSize #foreign libc "read";
unix_write :: proc(handle: Handle, buffer: rawptr, count: int) -> AddressSize #foreign libc "write";
unix_lseek :: proc(fs: Handle, offset: AddressSize, whence: int) -> AddressSize #foreign libc "lseek";
unix_gettid :: proc() -> u64 #foreign libc "gettid";
unix_stat :: proc(path: ^u8, stat: ^Stat) -> int #foreign libc "stat";
unix_access :: proc(path: ^u8, mask: int) -> int #foreign libc "access";
unix_malloc :: proc(size: int) -> rawptr #foreign libc "malloc";
unix_free :: proc(ptr: rawptr) #foreign libc "free";
unix_realloc :: proc(ptr: rawptr, size: int) -> rawptr #foreign libc "realloc";
unix_exit :: proc(status: int) #foreign libc "exit";
unix_malloc :: proc(size: int) -> rawptr #foreign libc "malloc";
unix_free :: proc(ptr: rawptr) #foreign libc "free";
unix_realloc :: proc(ptr: rawptr, size: int) -> rawptr #foreign libc "realloc";
unix_getenv :: proc(^u8) -> ^u8 #foreign libc "getenv";
unix_exit :: proc(status: int) #foreign libc "exit";
unix_dlopen :: proc(filename: ^u8, flags: int) -> rawptr #foreign dl "dlopen";
unix_dlsym :: proc(handle: rawptr, symbol: ^u8) -> (proc() #cc_c) #foreign dl "dlsym";
unix_dlclose :: proc(handle: rawptr) -> int #foreign dl "dlclose";
unix_dlerror :: proc() -> ^u8 #foreign dl "dlerror";
// TODO(zangent): Change this to just `open` when Bill fixes overloading.
open_simple :: proc(path: string, mode: int) -> (Handle, Errno) {
cstr := strings.new_c_string(path);
handle := unix_open(cstr, mode);
free(cstr);
if(handle == -1) {
return 0, 1;
}
return handle, 0;
}
// NOTE(zangent): This is here for compatability reasons. Should this be here?
open :: proc(path: string, mode: int, perm: u32) -> (Handle, Errno) {
return unix_open(path.data, mode, perm), 0;
return open_simple(path, mode);
}
close :: proc(fd: Handle) {
unix_close(fd);
}
write :: proc(fd: Handle, data: []byte) -> (int, Errno) {
return unix_write(fd, data.data, data.count), 0;
write :: proc(fd: Handle, data: []byte) -> (AddressSize, Errno) {
assert(fd != -1);
bytes_written := unix_write(fd, ^data[0], len(data));
if(bytes_written == -1) {
return 0, 1;
}
return bytes_written, 0;
}
read :: proc(fd: Handle, data: []byte) -> (int, Errno) {
return unix_read(fd, data.data, data.count), 0;
read :: proc(fd: Handle, data: []byte) -> (AddressSize, Errno) {
assert(fd != -1);
bytes_read := unix_read(fd, ^data[0], len(data));
if(bytes_read == -1) {
return 0, 1;
}
return bytes_read, 0;
}
seek :: proc(fd: Handle, offset: i64, whence: int) -> (i64, Errno) {
/*
using win32;
w: u32;
match whence {
case 0: w = FILE_BEGIN;
case 1: w = FILE_CURRENT;
case 2: w = FILE_END;
}
hi := cast(i32)(offset>>32);
lo := cast(i32)(offset);
ft := GetFileType(cast(HANDLE)fd);
if ft == FILE_TYPE_PIPE {
return 0, ERROR_FILE_IS_PIPE;
}
dw_ptr := SetFilePointer(cast(HANDLE)fd, lo, ^hi, w);
if dw_ptr == INVALID_SET_FILE_POINTER {
err := GetLastError();
return 0, cast(Errno)err;
}
return cast(i64)hi<<32 + cast(i64)dw_ptr, ERROR_NONE;
seek :: proc(fd: Handle, offset: AddressSize, whence: int) -> (AddressSize, Errno) {
assert(fd != -1);
*/
return 0, 0;
final_offset := unix_lseek(fd, offset, whence);
if(final_offset == -1) {
return 0, 1;
}
return final_offset, 0;
}
@@ -112,111 +202,85 @@ stdin: Handle = 0; // get_std_handle(win32.STD_INPUT_HANDLE);
stdout: Handle = 1; // get_std_handle(win32.STD_OUTPUT_HANDLE);
stderr: Handle = 2; // get_std_handle(win32.STD_ERROR_HANDLE);
/* TODO(zangent): Implement these!
last_write_time :: proc(fd: Handle) -> File_Time {}
last_write_time_by_name :: proc(name: string) -> File_Time {}
*/
/*
get_std_handle :: proc(h: int) -> Handle {
fd := win32.GetStdHandle(cast(i32)h);
win32.SetHandleInformation(fd, win32.HANDLE_FLAG_INHERIT, 0);
return cast(Handle)fd;
stat :: proc(path: string) -> (Stat, bool) #inline {
s: Stat;
cstr := strings.new_c_string(path);
defer free(cstr);
ret_int := unix_stat(cstr, ^s);
return s, ret_int==0;
}
last_write_time :: proc(fd: Handle) -> File_Time {
file_info: win32.BY_HANDLE_FILE_INFORMATION;
win32.GetFileInformationByHandle(cast(win32.HANDLE)fd, ^file_info);
lo := cast(File_Time)file_info.last_write_time.lo;
hi := cast(File_Time)file_info.last_write_time.hi;
return lo | hi << 32;
access :: proc(path: string, mask: int) -> bool #inline {
cstr := strings.new_c_string(path);
defer free(cstr);
return unix_access(cstr, mask) == 0;
}
last_write_time_by_name :: proc(name: string) -> File_Time {
last_write_time: win32.FILETIME;
data: win32.FILE_ATTRIBUTE_DATA;
buf: [1024]byte;
assert(buf.count > name.count);
copy(buf[:], cast([]byte)name);
if win32.GetFileAttributesExA(^buf[0], win32.GetFileExInfoStandard, ^data) != 0 {
last_write_time = data.last_write_time;
}
l := cast(File_Time)last_write_time.lo;
h := cast(File_Time)last_write_time.hi;
return l | h << 32;
}
read_entire_file :: proc(name: string) -> ([]byte, bool) {
buf: [300]byte;
copy(buf[:], cast([]byte)name);
fd, err := open(name, O_RDONLY, 0);
if err != ERROR_NONE {
handle, err := open_simple(name, O_RDONLY);
if(err != 0) {
fmt.println("Failed to open file.");
return nil, false;
}
defer close(fd);
defer(close(handle));
length: i64;
file_size_ok := win32.GetFileSizeEx(cast(win32.HANDLE)fd, ^length) != 0;
if !file_size_ok {
// We have a file!
size: AddressSize;
size, err = seek(handle, 0, SEEK_END);
if(err != 0) {
fmt.println("Failed to seek to end of file.");
return nil, false;
}
data := new_slice(u8, length);
if data.data == nil {
_, err = seek(handle, 0, SEEK_SET);
if(err != 0) {
fmt.println("Failed to seek to beginning of file.");
return nil, false;
}
single_read_length: i32;
total_read: i64;
// We have a file size!
for total_read < length {
remaining := length - total_read;
to_read: u32;
MAX :: 1<<32-1;
if remaining <= MAX {
to_read = cast(u32)remaining;
} else {
to_read = MAX;
}
win32.ReadFile(cast(win32.HANDLE)fd, ^data[total_read], to_read, ^single_read_length, nil);
if single_read_length <= 0 {
free(data);
return nil, false;
}
total_read += cast(i64)single_read_length;
data := make([]u8, size+1);
if data == nil {
fmt.println("Failed to allocate file buffer.");
return nil, false;
}
read(handle, data);
data[size] = 0;
return data, true;
}
*/
heap_alloc :: proc(size: int) -> rawptr {
heap_alloc :: proc(size: int) -> rawptr #inline {
assert(size > 0);
return unix_malloc(size);
}
heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr {
heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr #inline {
return unix_realloc(ptr, new_size);
}
heap_free :: proc(ptr: rawptr) {
heap_free :: proc(ptr: rawptr) #inline {
unix_free(ptr);
}
getenv :: proc(name: string) -> (string, bool) {
path_str := strings.new_c_string(name);
cstr: ^u8 = unix_getenv(path_str);
free(path_str);
if(cstr == nil) {
return "", false;
}
return strings.to_odin_string(cstr), true;
}
exit :: proc(code: int) {
exit :: proc(code: int) #inline {
unix_exit(code);
}
@@ -226,5 +290,23 @@ current_thread_id :: proc() -> int {
return 0;
}
dlopen :: proc(filename: string, flags: int) -> rawptr #inline {
cstr := strings.new_c_string(filename);
handle := unix_dlopen(cstr, flags);
free(cstr);
return handle;
}
dlsym :: proc(handle: rawptr, symbol: string) -> (proc() #cc_c) #inline {
assert(handle != nil);
cstr := strings.new_c_string(symbol);
proc_handle := unix_dlsym(handle, cstr);
free(cstr);
return proc_handle;
}
dlclose :: proc(handle: rawptr) -> bool #inline {
assert(handle != nil);
return unix_dlclose(handle) == 0;
}
dlerror :: proc() -> string {
return strings.to_odin_string(unix_dlerror());
}
-1
View File
@@ -624,4 +624,3 @@ Key_Code :: enum i32 {
PA1 = 0xFD,
OEM_CLEAR = 0xFE,
}