pkarashchenko commented on code in PR #7716:
URL: https://github.com/apache/nuttx/pull/7716#discussion_r1033268931
##########
libs/libc/stdio/lib_libvsprintf.c:
##########
@@ -878,26 +879,27 @@ static int vsprintf_internal(FAR struct lib_outstream_s
*stream,
/* Parse the ndigs if the value of it bigger than '9' */
- while (1)
+ if (ndigs >= '0')
{
- if (ndigs >= 'd')
+ ndigs -= '0';
+ __ultoa_invert(ndigs, (FAR char *) buf, 10);
Review Comment:
```suggestion
__ultoa_invert(ndigs, (FAR char *)buf, 10);
```
##########
libs/libc/stdio/lib_libvsprintf.c:
##########
@@ -878,26 +879,27 @@ static int vsprintf_internal(FAR struct lib_outstream_s
*stream,
/* Parse the ndigs if the value of it bigger than '9' */
- while (1)
+ if (ndigs >= '0')
{
- if (ndigs >= 'd')
+ ndigs -= '0';
+ __ultoa_invert(ndigs, (FAR char *) buf, 10);
+ if (ndigs >= 100)
{
- lib_stream_put(stream, ((ndigs - '0') / 100) + '0');
- ndigs = (ndigs - '0') % 100 + '0';
- }
- else if (ndigs >= ':')
- {
- lib_stream_put(stream, ((ndigs - '0') / 10) + '0');
- ndigs = (ndigs - '0') % 10 + '0';
+ for (int i = 2; i >= 0; i--)
+ {
+ lib_stream_put(stream, buf[i]);
+ }
}
- else if(ndigs >= '0')
+ else if (ndigs >= 10 && ndigs < 100)
{
- lib_stream_put(stream, ndigs);
- break;
+ for (int i = 1; i >= 0; i--)
Review Comment:
```suggestion
int i;
for (int i = 1; i >= 0; i--)
```
##########
libs/libc/stdio/lib_libvsprintf.c:
##########
@@ -878,26 +879,27 @@ static int vsprintf_internal(FAR struct lib_outstream_s
*stream,
/* Parse the ndigs if the value of it bigger than '9' */
- while (1)
+ if (ndigs >= '0')
{
- if (ndigs >= 'd')
+ ndigs -= '0';
+ __ultoa_invert(ndigs, (FAR char *) buf, 10);
+ if (ndigs >= 100)
{
- lib_stream_put(stream, ((ndigs - '0') / 100) + '0');
- ndigs = (ndigs - '0') % 100 + '0';
- }
- else if (ndigs >= ':')
- {
- lib_stream_put(stream, ((ndigs - '0') / 10) + '0');
- ndigs = (ndigs - '0') % 10 + '0';
+ for (int i = 2; i >= 0; i--)
Review Comment:
```suggestion
int i;
for (i = 2; i >= 0; i--)
```
can also go with something like
```
c = 2;
while (c)
{
lib_stream_put(stream, buf[--c]);
}
```
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