cgen: make `bool`s take up a single byte, not 4 (#9352)

vlib/builtin/map.v

@@ -260,19 +260,19 @@ fn map_eq_string(a voidptr, b voidptr) bool {
 }
 
 fn map_eq_int_1(a voidptr, b voidptr) bool {
-	return unsafe { *&byte(a) == *&byte(b) }
+	return unsafe { C.memcmp(a, b, 1) == 0 }
 }
 
 fn map_eq_int_2(a voidptr, b voidptr) bool {
-	return unsafe { *&u16(a) == *&u16(b) }
+	return unsafe { C.memcmp(a, b, 2) == 0 }
 }
 
 fn map_eq_int_4(a voidptr, b voidptr) bool {
-	return unsafe { *&u32(a) == *&u32(b) }
+	return unsafe { C.memcmp(a, b, 4) == 0 }
 }
 
 fn map_eq_int_8(a voidptr, b voidptr) bool {
-	return unsafe { *&u64(a) == *&u64(b) }
+	return unsafe { C.memcmp(a, b, 8) == 0 }
 }
 
 fn map_clone_string(dest voidptr, pkey voidptr) {
@@ -284,25 +284,25 @@ fn map_clone_string(dest voidptr, pkey voidptr) {
 
 fn map_clone_int_1(dest voidptr, pkey voidptr) {
 	unsafe {
-		*&byte(dest) = *&byte(pkey)
+		C.memcpy(dest, pkey, 1)
 	}
 }
 
 fn map_clone_int_2(dest voidptr, pkey voidptr) {
 	unsafe {
-		*&u16(dest) = *&u16(pkey)
+		C.memcpy(dest, pkey, 2)
 	}
 }
 
 fn map_clone_int_4(dest voidptr, pkey voidptr) {
 	unsafe {
-		*&u32(dest) = *&u32(pkey)
+		C.memcpy(dest, pkey, 4)
 	}
 }
 
 fn map_clone_int_8(dest voidptr, pkey voidptr) {
 	unsafe {
-		*&u64(dest) = *&u64(pkey)
+		C.memcpy(dest, pkey, 8)
 	}
 }
 

vlib/net/tcp.v

@@ -295,7 +295,8 @@ pub fn (mut s TcpSocket) set_option_bool(opt SocketOption, value bool) ? {
 	// if opt !in opts_bool {
 	// 	return err_option_wrong_type
 	// }
-	socket_error(C.setsockopt(s.handle, C.SOL_SOCKET, int(opt), &value, sizeof(bool))) ?
+	x := int(value)
+	socket_error(C.setsockopt(s.handle, C.SOL_SOCKET, int(opt), &x, sizeof(int))) ?
 	return none
 }
 

vlib/net/udp.v

@@ -211,7 +211,8 @@ pub fn (mut s UdpSocket) set_option_bool(opt SocketOption, value bool) ? {
 	// if opt !in opts_bool {
 	// 	return err_option_wrong_type
 	// }
-	socket_error(C.setsockopt(s.handle, C.SOL_SOCKET, int(opt), &value, sizeof(bool))) ?
+	x := int(value)
+	socket_error(C.setsockopt(s.handle, C.SOL_SOCKET, int(opt), &x, sizeof(int))) ?
 	return none
 }
 

vlib/v/gen/c/cheaders.v

@@ -483,7 +483,7 @@ typedef struct sync__Channel* chan;
 
 #ifndef __cplusplus
 	#ifndef bool
-		typedef int bool;
+		typedef byte bool;
 		#define true 1
 		#define false 0
 	#endif