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libc/dumpvbuffer: fix a bug that the iov ptr is not updated

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Change-Id: I6060dd296eed14308893554d254715a7a9908655
Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an
2020-12-29 14:20:17 +08:00
committed by chao an
parent ca2ec9b137
commit 7b82ddd4a8
1 changed files with 7 additions and 5 deletions
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libs/libc/misc/lib_dumpvbuffer.c
+7 -5
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@@ -25,6 +25,7 @@
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <string.h>
#include <stdint.h>
#include <debug.h>
@@ -84,7 +85,6 @@ void lib_dumpvbuffer(FAR const char *msg, FAR const struct iovec *iov,
int iovcnt)
{
FAR const struct iovec *piov = iov;
FAR const uint8_t *iov_buf;
unsigned int len = 0;
char line[_LINESIZE];
unsigned int nitems;
@@ -103,11 +103,12 @@ void lib_dumpvbuffer(FAR const char *msg, FAR const struct iovec *iov,
while (piov != &iov[iovcnt] && piov->iov_len)
{
iov_buf = piov->iov_base;
ptr = line;
for (nitems = 0; nitems < _NITEMS; nitems++)
{
FAR const uint8_t *iov_buf = piov->iov_base;
*ptr++ = lib_nibble((iov_buf[len] >> 4) & 0xf);
*ptr++ = lib_nibble(iov_buf[len] & 0xf);
*ptr++ = ' ';
@@ -128,10 +129,11 @@ void lib_dumpvbuffer(FAR const char *msg, FAR const struct iovec *iov,
len = 0;
if (++piov == &iov[iovcnt])
{
memset(ptr, ' ', (_NITEMS - nitems) * 3);
memset(&line[_ASCIICHAR_OFFSET + nitems], ' ', _NITEMS - nitems);
memset(ptr, ' ', (_NITEMS - nitems - 1) * 3);
memset(&line[_ASCIICHAR_OFFSET + nitems + 1], ' ',
_NITEMS - nitems - 1);
break;
}
}
}
}