all: Reformat C and Python source code with tools/codeformat.py.

This is run with uncrustify 0.70.1, and black 19.10b0.

ports/powerpc/frozentest.py

@@ -1,7 +1,7 @@
-print('uPy')
-print('a long string that is not interned')
-print('a string that has unicode αβγ chars')
-print(b'bytes 1234\x01')
+print("uPy")
+print("a long string that is not interned")
+print("a string that has unicode αβγ chars")
+print(b"bytes 1234\x01")
 print(123456789)
 for i in range(4):
     print(i)

ports/powerpc/main.c

@@ -50,7 +50,8 @@ void __stack_chk_fail(void) {
 void __assert_fail(const char *__assertion, const char *__file,
     unsigned int __line, const char *__function) {
     printf("Assert at %s:%d:%s() \"%s\" failed\n", __file, __line, __function, __assertion);
-    for (;;) ;
+    for (;;) {;
+    }
 }
 
 static char *stack_top;
@@ -62,7 +63,7 @@ extern void uart_init_ppc(int qemu);
 
 int main(int argc, char **argv) {
     int stack_dummy;
-    stack_top = (char*)&stack_dummy;
+    stack_top = (char *)&stack_dummy;
 
     // microwatt has argc/r3 = 0 whereas QEMU has r3 set in head.S
     uart_init_ppc(argc);
@@ -124,11 +125,15 @@ mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs)
 MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
 
 void nlr_jump_fail(void *val) {
-    while (1);
+    while (1) {
+        ;
+    }
 }
 
 void NORETURN __fatal_error(const char *msg) {
-    while (1);
+    while (1) {
+        ;
+    }
 }
 
 #ifndef NDEBUG

ports/powerpc/mpconfigport.h

@@ -93,7 +93,7 @@
 
 // type definitions for the specific machine
 
-#define MICROPY_MAKE_POINTER_CALLABLE(p) ((void*)((mp_uint_t)(p) | 1))
+#define MICROPY_MAKE_POINTER_CALLABLE(p) ((void *)((mp_uint_t)(p) | 1))
 
 // This port is 64-bit
 #define UINT_FMT "%lu"

ports/powerpc/mphalport.h

@@ -25,7 +25,7 @@
  */
 
 #define mftb()  ({unsigned long rval;                                   \
-        __asm__ volatile("mftb %0" : "=r" (rval)); rval;})
+                  __asm__ volatile ("mftb %0" : "=r" (rval)); rval;})
 
 #define TBFREQ 512000000
 

ports/powerpc/uart_lpc_serial.c

@@ -101,11 +101,15 @@ void lpc_uart_init(void) {
 }
 
 char lpc_uart_read(void) {
-    while (lpc_uart_rx_empty()) ;
+    while (lpc_uart_rx_empty()) {
+        ;
+    }
     return lpc_uart_reg_read(REG_THR);
 }
 
 void lpc_uart_write(char c) {
-    while (lpc_uart_tx_full());
+    while (lpc_uart_tx_full()) {
+        ;
+    }
     lpc_uart_reg_write(REG_RBR, c);
 }

ports/powerpc/uart_potato.c

@@ -105,7 +105,9 @@ void potato_uart_init(void) {
 char potato_uart_read(void) {
     uint64_t val;
 
-    while (potato_uart_rx_empty());
+    while (potato_uart_rx_empty()) {
+        ;
+    }
     val = potato_uart_reg_read(POTATO_CONSOLE_RX);
 
     return (char)(val & 0x000000ff);
@@ -116,6 +118,8 @@ void potato_uart_write(char c) {
 
     val = c;
 
-    while (potato_uart_tx_full());
+    while (potato_uart_tx_full()) {
+        ;
+    }
     potato_uart_reg_write(POTATO_CONSOLE_TX, val);
 }