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tiny-printf: Tidy up a few nits

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- Rename 'w' to 'width' to make it more obvious what it is used for
- Use bool and int types instead of char to avoid register-masking on
32-bit machines

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Simon Glass 2016-05-14 14:02:52 -06:00
parent d0375f3cc5
commit 1fb67608b3
1 changed files with 8 additions and 8 deletions
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16
lib/tiny-printf.c
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@ -52,8 +52,8 @@ int vprintf(const char *fmt, va_list va)
if (ch != '%') {
putc(ch);
} else {
char lz = 0;
char w = 0;
bool lz = false;
int width = 0;
ch = *(fmt++);
if (ch == '0') {
@ -62,9 +62,9 @@ int vprintf(const char *fmt, va_list va)
}
if (ch >= '0' && ch <= '9') {
w = 0;
width = 0;
while (ch >= '0' && ch <= '9') {
w = (w * 10) + ch - '0';
width = (width * 10) + ch - '0';
ch = *fmt++;
}
}
@ -73,7 +73,7 @@ int vprintf(const char *fmt, va_list va)
zs = 0;
switch (ch) {
case 0:
case '\0':
goto abort;
case 'u':
case 'd':
@ -112,9 +112,9 @@ int vprintf(const char *fmt, va_list va)
*bf = 0;
bf = p;
while (*bf++ && w > 0)
w--;
while (w-- > 0)
while (*bf++ && width > 0)
width--;
while (width-- > 0)
putc(lz ? '0' : ' ');
if (p) {
while ((ch = *p++))