os: move file logic to file.v (#6013)

vlib/os/file.v

@@ -0,0 +1,89 @@
+module os
+
+pub struct File {
+	cfile  voidptr // Using void* instead of FILE*
+pub:
+	fd     int
+pub mut:
+	is_opened bool
+}
+
+struct FileInfo {
+	name string
+	size int
+}
+
+[deprecated]
+pub fn (f File) is_opened() bool {
+	eprintln('warning: `file.is_opened()` has been deprecated, use `file.is_opened` instead')
+	return f.is_opened
+}
+
+// **************************** Write ops  ***************************
+pub fn (mut f File) write(s string) {
+	if !f.is_opened {
+		return
+	}
+	/*
+	$if linux {
+		$if !android {
+			C.syscall(sys_write, f.fd, s.str, s.len)
+			return
+		}
+	}
+	*/
+	C.fwrite(s.str, s.len, 1, f.cfile)
+}
+
+pub fn (mut f File) writeln(s string) {
+	if !f.is_opened {
+		return
+	}
+	/*
+	$if linux {
+		$if !android {
+			snl := s + '\n'
+			C.syscall(sys_write, f.fd, snl.str, snl.len)
+			return
+		}
+	}
+	*/
+	// TODO perf
+	C.fwrite(s.str, s.len, 1, f.cfile)
+	C.fputs('\n', f.cfile)
+}
+
+pub fn (mut f File) write_bytes(data voidptr, size int) int {
+	return C.fwrite(data, 1, size, f.cfile)
+}
+
+pub fn (mut f File) write_bytes_at(data voidptr, size, pos int) int {
+	C.fseek(f.cfile, pos, C.SEEK_SET)
+	res := C.fwrite(data, 1, size, f.cfile)
+	C.fseek(f.cfile, 0, C.SEEK_END)
+	return res
+}
+
+// **************************** Read ops  ***************************
+// read_bytes reads an amount of bytes from the beginning of the file
+pub fn (f &File) read_bytes(size int) []byte {
+	return f.read_bytes_at(size, 0)
+}
+
+// read_bytes_at reads an amount of bytes at the given position in the file
+pub fn (f &File) read_bytes_at(size, pos int) []byte {
+	mut arr := [`0`].repeat(size)
+	C.fseek(f.cfile, pos, C.SEEK_SET)
+	nreadbytes := C.fread(arr.data, 1, size, f.cfile)
+	C.fseek(f.cfile, 0, C.SEEK_SET)
+	return arr[0..nreadbytes]
+}
+
+// **************************** Utility  ops ***********************
+// write any unwritten data in stream's buffer
+pub fn (mut f File) flush() {
+	if !f.is_opened {
+		return
+	}
+	C.fflush(f.cfile)
+}

vlib/os/os.v

@@ -8,91 +8,6 @@ pub const (
 	max_path_len = 4096
 )
 
-pub struct File {
-	cfile  voidptr // Using void* instead of FILE*
-pub:
-	fd     int
-mut:
-	opened bool
-}
-
-struct FileInfo {
-	name string
-	size int
-}
-
-pub fn (f File) is_opened() bool {
-	return f.opened
-}
-
-// Write ops
-
-pub fn (mut f File) write(s string) {
-	if !f.opened {
-		return
-	}
-	/*
-	$if linux {
-		$if !android {
-			C.syscall(sys_write, f.fd, s.str, s.len)
-			return
-		}
-	}
-	*/
-	C.fwrite(s.str, s.len, 1, f.cfile)
-}
-
-pub fn (mut f File) writeln(s string) {
-	if !f.opened {
-		return
-	}
-	/*
-	$if linux {
-		$if !android {
-			snl := s + '\n'
-			C.syscall(sys_write, f.fd, snl.str, snl.len)
-			return
-		}
-	}
-	*/
-	// TODO perf
-	C.fwrite(s.str, s.len, 1, f.cfile)
-	C.fputs('\n', f.cfile)
-}
-
-pub fn (mut f File) write_bytes(data voidptr, size int) int {
-	return C.fwrite(data, 1, size, f.cfile)
-}
-
-pub fn (mut f File) write_bytes_at(data voidptr, size, pos int) int {
-	//$if linux {
-	//}
-	//$else {
-	C.fseek(f.cfile, pos, C.SEEK_SET)
-	res := C.fwrite(data, 1, size, f.cfile)
-	C.fseek(f.cfile, 0, C.SEEK_END)
-	//}
-	return res
-}
-
-/***************************** Read ops  ****************************/
-
-
-// read_bytes reads an amount of bytes from the beginning of the file
-pub fn (f &File) read_bytes(size int) []byte {
-	return f.read_bytes_at(size, 0)
-}
-
-// read_bytes_at reads an amount of bytes at the given position in the file
-pub fn (f &File) read_bytes_at(size, pos int) []byte {
-	mut arr := [`0`].repeat(size)
-	C.fseek(f.cfile, pos, C.SEEK_SET)
-	nreadbytes := C.fread(arr.data, 1, size, f.cfile)
-	C.fseek(f.cfile, 0, C.SEEK_SET)
-	return arr[0..nreadbytes]
-}
-
-
 pub fn read_bytes(path string) ?[]byte {
 	mut fp := vfopen(path, 'rb')
 	if isnil(fp) {
@@ -128,15 +43,6 @@ pub fn read_file(path string) ?string {
 	}
 }
 
-/***************************** Utility  ops ************************/
-
-pub fn (mut f File) flush() {
-	if !f.opened {
-		return
-	}
-	C.fflush(f.cfile)
-}
-
 /***************************** OS ops ************************/
 // file_size returns the size of the file located in `path`.
 pub fn file_size(path string) int {
@@ -155,6 +61,7 @@ pub fn file_size(path string) int {
 	return s.st_size
 }
 
+// move files or folders from one path to other
 pub fn mv(old, new string) {
 	$if windows {
 		C._wrename(old.to_wide(), new.to_wide())
@@ -163,6 +70,7 @@ pub fn mv(old, new string) {
 	}
 }
 
+// copies files or folders from one path to other
 pub fn cp(old, new string) ? {
 	$if windows {
 		w_old := old.replace('/', '\\')
@@ -327,7 +235,7 @@ pub fn open_append(path string) ?File {
 	if isnil(file.cfile) {
 		return error('failed to create(append) file "$path"')
 	}
-	file.opened = true
+	file.is_opened = true
 	return file
 }
 
@@ -379,7 +287,7 @@ pub fn open_file(path string, mode string, options ...int) ?File {
 	return File{
 		cfile: cfile
 		fd: fd
-		opened: true
+		is_opened: true
 	}
 }
 
@@ -594,9 +502,11 @@ pub fn is_executable(path string) bool {
   }
   $if solaris {
     statbuf := C.stat{}
-    if C.stat(charptr(path.str), &statbuf) != 0 {
-      return false
-    }
+	unsafe {
+		if C.stat(charptr(path.str), &statbuf) != 0 {
+		return false
+		}
+	}
     return (int(statbuf.st_mode) & ( s_ixusr | s_ixgrp | s_ixoth )) != 0
   }
   return C.access(charptr(path.str), x_ok) != -1
@@ -1010,7 +920,9 @@ pub fn executable() string {
 		mut result := vcalloc(max_path_len)
 		mib := [1/* CTL_KERN */, 14/* KERN_PROC */, 12/* KERN_PROC_PATHNAME */, -1]
 		size := max_path_len
-		C.sysctl(mib.data, 4, result, &size, 0, 0)
+		unsafe {
+			C.sysctl(mib.data, 4, result, &size, 0, 0)
+		}
 		return string(result)
 	}
 	// "Sadly there is no way to get the full path of the executed file in OpenBSD."
@@ -1404,7 +1316,7 @@ pub fn open(path string) ?File {
 			}
 			return File{
 				fd: fd
-				opened: true
+				is_opened: true
 			}
 		}
 	}
@@ -1417,7 +1329,7 @@ pub fn open(path string) ?File {
 	return File {
 		cfile: cfile
 		fd: fd
-		opened: true
+		is_opened: true
 	}
 }
 
@@ -1440,7 +1352,7 @@ pub fn create(path string) ?File {
 			}
 			file = File{
 				fd: fd
-				opened: true
+				is_opened: true
 			}
 			return file
 		}
@@ -1454,7 +1366,7 @@ pub fn create(path string) ?File {
 	return File {
 		cfile: cfile
 		fd: fd
-		opened: true
+		is_opened: true
 	}
 }
 

vlib/os/os_linux.c.v

@@ -20,8 +20,6 @@ pub const (
 	sys_creat = 85
 )
 
-
-
 /*
 // TODO no pub => error
 pub fn write(fd int, data voidptr, nbytes int) int {
@@ -47,9 +45,4 @@ pub fn malloc(n int) byteptr {
 	println('malloc($n)')
 	return mmap(0, n, 3, 		4098, //prot_read|prot_write,
 	 -1,0)			//map_private|map_anonymous,
-}
-
-pub fn free(b byteptr) {
-
-}
 */

vlib/os/os_nix.c.v

@@ -171,10 +171,10 @@ pub fn get_error_msg(code int) string {
 }
 
 pub fn (mut f File) close() {
-	if !f.opened {
+	if !f.is_opened {
 		return
 	}
-	f.opened = false
+	f.is_opened = false
 	/*
 	$if linux {
 		$if !android {

vlib/os/os_windows.c.v

@@ -305,10 +305,10 @@ pub fn symlink(origin, target string) ?bool {
 }
 
 pub fn (mut f File) close() {
-	if !f.opened {
+	if !f.is_opened {
 		return
 	}
-	f.opened = false
+	f.is_opened = false
 	C.fflush(f.cfile)
 	C.fclose(f.cfile)
 }