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tiny-printf: Reduce size by removing ctype

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The ctype array is brought into the image, adding 256 bytes, when it is
unlikely to be needed. The extra code for %p is only present when DEBUG
is defined, so let's drop ctype as well unless DEBUG is defined.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2019-10-21 17:26:43 -06:00
parent 2333dc47b8
commit 1c1c8a3a99
1 changed files with 7 additions and 0 deletions
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7
lib/tiny-printf.c
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@ -289,8 +289,15 @@ static int _vprintf(struct printf_info *info, const char *fmt, va_list va)
break; break;
case 'p': case 'p':
pointer(info, fmt, va_arg(va, void *)); 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])) while (isalnum(fmt[0]))
fmt++; fmt++;
#endif
break; break;
case '%': case '%':
out(info, '%'); out(info, '%');