Fix binary-api cmd/arg split logic

Change-Id: If3dbce830684b5eab8944519424074b03cc7d703
Signed-off-by: Dave Barach <dave@barachs.net>
This commit is contained in:
Dave Barach
2017-03-15 09:52:19 -04:00
parent e101e1f52f
commit 7c0858e2a4

View File

@@ -84,25 +84,20 @@ api_command_fn (vlib_main_t * vm,
vam->vl_input_queue = am->shmem_hdr->vl_input_queue;
#ifdef __COVERITY__
/*
* Convince Coverity that it's not a NULL pointer...
* Done once for real below, since we never vec_free(vam->inbuf);
*/
vec_validate (vam->inbuf, 0);
#endif
/* vec_validated in the init routine */
_vec_len (vam->inbuf) = 0;
vec_reset_length (vam->inbuf);
vam->input = &_input;
while (((c = unformat_get_input (input)) != '\n') &&
(c != UNFORMAT_END_OF_INPUT))
vec_add1 (vam->inbuf, c);
/* Add 1 octet's worth of extra space in case there are no args... */
/* Null-terminate the command */
vec_add1 (vam->inbuf, 0);
/*$$$$ reinstall macro evaluator */
/* In case no args given */
vec_add1 (vam->inbuf, 0);
/* Split input into cmd + args */
this_cmd = cmdp = vam->inbuf;
@@ -123,7 +118,7 @@ api_command_fn (vlib_main_t * vm,
/* Advance past the command */
while (argsp < (this_cmd + vec_len (this_cmd)))
{
if (*argsp != ' ' && *argsp != '\t' && *argsp != '\n' && argsp != 0)
if (*argsp != ' ' && *argsp != '\t' && *argsp != '\n' && *argsp != 0)
{
argsp++;
}
@@ -133,15 +128,19 @@ api_command_fn (vlib_main_t * vm,
/* NULL terminate the command */
*argsp++ = 0;
while (argsp < (this_cmd + vec_len (this_cmd)))
{
if (*argsp == ' ' || *argsp == '\t' || *argsp == '\n')
{
argsp++;
}
else
break;
}
/* No arguments? Ensure that argsp points to a proper (empty) string */
if (argsp == (this_cmd + vec_len (this_cmd) - 1))
argsp[0] = 0;
else
while (argsp < (this_cmd + vec_len (this_cmd)))
{
if (*argsp == ' ' || *argsp == '\t' || *argsp == '\n')
{
argsp++;
}
else
break;
}
/* Blank input line? */
if (*cmdp == 0)