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tiny-printf: Reorder code to support %p

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With a bit of code reordering we can support %p using the existing code
for ulong.

Move the %p code up and adjust the logic accordingly.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2019-10-21 17:26:45 -06:00
parent dee74e6cc4
commit 831c161119
1 changed files with 17 additions and 13 deletions
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30
lib/tiny-printf.c
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@ -157,7 +157,8 @@ static void ip4_addr_string(struct printf_info *info, u8 *addr)
* decimal).
*/
static void pointer(struct printf_info *info, const char *fmt, void *ptr)
static void __maybe_unused pointer(struct printf_info *info, const char *fmt,
void *ptr)
{
#ifdef DEBUG
unsigned long num = (uintptr_t)ptr;
@ -266,6 +267,21 @@ static int _vprintf(struct printf_info *info, const char *fmt, va_list va)
div_out(info, &num, div);
}
break;
case 'p':
#ifdef DEBUG
pointer(info, fmt, va_arg(va, void *));
/*
* Skip this because it pulls in _ctype which is
* 256 bytes, and we don't generally implement
* pointer anyway
*/
while (isalnum(fmt[0]))
fmt++;
break;
#else
islong = true;
/* no break */
#endif
case 'x':
if (islong) {
num = va_arg(va, unsigned long);
@ -287,18 +303,6 @@ static int _vprintf(struct printf_info *info, const char *fmt, va_list va)
case 's':
p = va_arg(va, char*);
break;
case 'p':
pointer(info, fmt, va_arg(va, void *));
/*
* Skip this because it pulls in _ctype which is
* 256 bytes, and we don't generally implement
* pointer anyway
*/
#ifdef DEBUG
while (isalnum(fmt[0]))
fmt++;
#endif
break;
case '%':
out(info, '%');
default: