fmt: add a space around single-line unsafe expressions (#7505)

vlib/os/environment.c.v

@@ -82,8 +82,8 @@ pub fn environ() map[string]string {
 		C.FreeEnvironmentStringsW(estrings)
 	} $else {
 		e := &charptr(C.environ)
-		for i := 0; !isnil(unsafe {e[i]}); i++ {
-			eline := unsafe {cstring_to_vstring(byteptr(e[i]))}
+		for i := 0; !isnil(unsafe { e[i] }); i++ {
+			eline := unsafe { cstring_to_vstring(byteptr(e[i])) }
 			eq_index := eline.index_byte(`=`)
 			if eq_index > 0 {
 				res[eline[0..eq_index]] = eline[eq_index + 1..]

vlib/os/fd.c.v

@@ -14,7 +14,7 @@ pub fn fd_write(fd int, s string) {
 			return
 		}
 		remaining = remaining - written
-		sp = unsafe {sp + written}
+		sp = unsafe { sp + written }
 	}
 }
 

vlib/os/inode.c.v

@@ -32,7 +32,7 @@ pub:
 // it supports windows for regular files but it doesn't matter if you use owner, group or others when checking permissions on windows
 pub fn inode(path string) FileMode {
 	mut attr := C.stat{}
-	unsafe {C.stat(charptr(path.str), &attr)}
+	unsafe { C.stat(charptr(path.str), &attr) }
 	mut typ := FileType.regular
 	if attr.st_mode & u32(C.S_IFMT) == u32(C.S_IFDIR) {
 		typ = .directory

vlib/os/os_c.v

@@ -160,7 +160,7 @@ pub fn cp(src string, dst string) ? {
 			}
 		}
 		from_attr := C.stat{}
-		unsafe {C.stat(charptr(src.str), &from_attr)}
+		unsafe { C.stat(charptr(src.str), &from_attr) }
 		if C.chmod(charptr(dst.str), from_attr.st_mode) < 0 {
 			return error_with_code('failed to set permissions for $dst', int(-1))
 		}
@@ -580,7 +580,7 @@ pub fn executable() string {
 			eprintln('os.executable() failed at reading /proc/self/exe to get exe path')
 			return executable_fallback()
 		}
-		return unsafe {result.vstring()}
+		return unsafe { result.vstring() }
 	}
 	$if windows {
 		max := 512
@@ -617,14 +617,14 @@ pub fn executable() string {
 			eprintln('os.executable() failed at calling proc_pidpath with pid: $pid . proc_pidpath returned $ret ')
 			return executable_fallback()
 		}
-		return unsafe {result.vstring()}
+		return unsafe { result.vstring() }
 	}
 	$if freebsd {
 		mut result := vcalloc(max_path_len)
 		mib := [1 /* CTL_KERN */, 14 /* KERN_PROC */, 12 /* KERN_PROC_PATHNAME */, -1]
 		size := max_path_len
-		unsafe {C.sysctl(mib.data, 4, result, &size, 0, 0)}
-		return unsafe {result.vstring()}
+		unsafe { C.sysctl(mib.data, 4, result, &size, 0, 0) }
+		return unsafe { result.vstring() }
 	}
 	// "Sadly there is no way to get the full path of the executed file in OpenBSD."
 	$if openbsd {
@@ -640,7 +640,7 @@ pub fn executable() string {
 			eprintln('os.executable() failed at reading /proc/curproc/exe to get exe path')
 			return executable_fallback()
 		}
-		return unsafe {result.vstring_with_len(count)}
+		return unsafe { result.vstring_with_len(count) }
 	}
 	$if dragonfly {
 		mut result := vcalloc(max_path_len)
@@ -649,7 +649,7 @@ pub fn executable() string {
 			eprintln('os.executable() failed at reading /proc/curproc/file to get exe path')
 			return executable_fallback()
 		}
-		return unsafe {result.vstring_with_len(count)}
+		return unsafe { result.vstring_with_len(count) }
 	}
 	return executable_fallback()
 }
@@ -668,7 +668,7 @@ pub fn is_dir(path string) bool {
 		return false
 	} $else {
 		statbuf := C.stat{}
-		if unsafe {C.stat(charptr(path.str), &statbuf)} != 0 {
+		if unsafe { C.stat(charptr(path.str), &statbuf) } != 0 {
 			return false
 		}
 		// ref: https://code.woboq.org/gcc/include/sys/stat.h.html
@@ -713,7 +713,7 @@ pub fn getwd() string {
 		if C.getcwd(charptr(buf), 512) == 0 {
 			return ''
 		}
-		return unsafe {buf.vstring()}
+		return unsafe { buf.vstring() }
 	}
 }
 
@@ -736,7 +736,7 @@ pub fn real_path(fpath string) string {
 			return fpath
 		}
 	}
-	res := unsafe {fullpath.vstring()}
+	res := unsafe { fullpath.vstring() }
 	return normalize_drive_letter(res)
 }
 
@@ -759,7 +759,7 @@ fn normalize_drive_letter(path string) string {
 
 // signal will assign `handler` callback to be called when `signum` signal is recieved.
 pub fn signal(signum int, handler voidptr) {
-	unsafe {C.signal(signum, handler)}
+	unsafe { C.signal(signum, handler) }
 }
 
 // fork will fork the current system process and return the pid of the fork.
@@ -791,7 +791,7 @@ pub fn wait() int {
 pub fn file_last_mod_unix(path string) int {
 	attr := C.stat{}
 	// # struct stat attr;
-	unsafe {C.stat(charptr(path.str), &attr)}
+	unsafe { C.stat(charptr(path.str), &attr) }
 	// # stat(path.str, &attr);
 	return attr.st_mtime
 	// # return attr.st_mtime ;

vlib/os/os_nix.c.v

@@ -52,7 +52,7 @@ fn init_os_args(argc int, argv &&byte) []string {
 	// mut args := []string{len:argc}
 	for i in 0 .. argc {
 		// args [i] = argv[i].vstring()
-		unsafe {args << byteptr(argv[i]).vstring()}
+		unsafe { args << byteptr(argv[i]).vstring() }
 	}
 	return args
 }
@@ -122,7 +122,7 @@ pub fn mkdir(path string) ?bool {
 		}
 	}
 	*/
-	r := unsafe {C.mkdir(charptr(apath.str), 511)}
+	r := unsafe { C.mkdir(charptr(apath.str), 511) }
 	if r == -1 {
 		return error(posix_get_error_msg(C.errno))
 	}

vlib/os/os_windows.c.v

@@ -78,7 +78,7 @@ mut:
 fn init_os_args_wide(argc int, argv &byteptr) []string {
 	mut args := []string{}
 	for i in 0 .. argc {
-		args << string_from_wide(unsafe {&u16(argv[i])})
+		args << string_from_wide(unsafe { &u16(argv[i]) })
 	}
 	return args
 }