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monitor: Introduce get_command_name() 

Move code to extract command name into a function of its own, this
clearifies the code and let us remove two variables from
monitor_handle_command().

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2009-06-09 18:21:30 -03:00 committed by Blue Swirl
parent 7869001b8f
commit 4590fd80b8
1 changed files with 30 additions and 14 deletions
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44
monitor.c
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@ -2381,6 +2381,32 @@ static int get_str(char *buf, int buf_size, const char **pp)
return 0;
}
/*
* Store the command-name in cmdname, and return a pointer to
* the remaining of the command string.
*/
static const char *get_command_name(const char *cmdline,
char *cmdname, size_t nlen)
{
size_t len;
const char *p, *pstart;
p = cmdline;
while (qemu_isspace(*p))
p++;
if (*p == '\0')
return NULL;
pstart = p;
while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
p++;
len = p - pstart;
if (len > nlen - 1)
len = nlen - 1;
memcpy(cmdname, pstart, len);
cmdname[len] = '\0';
return p;
}
static int default_fmt_format = 'x';
static int default_fmt_size = 4;
@ -2388,8 +2414,8 @@ static int default_fmt_size = 4;
static void monitor_handle_command(Monitor *mon, const char *cmdline)
{
const char *p, *pstart, *typestr;
int c, nb_args, len, i, has_arg;
const char *p, *typestr;
int c, nb_args, i, has_arg;
const mon_cmd_t *cmd;
char cmdname[256];
char buf[1024];
@ -2413,19 +2439,9 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
#endif
/* extract the command name */
p = cmdline;
while (qemu_isspace(*p))
p++;
if (*p == '\0')
p = get_command_name(cmdline, cmdname, sizeof(cmdname));
if (!p)
return;
pstart = p;
while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
p++;
len = p - pstart;
if (len > sizeof(cmdname) - 1)
len = sizeof(cmdname) - 1;
memcpy(cmdname, pstart, len);
cmdname[len] = '\0';
/* find the command */
for(cmd = mon_cmds; cmd->name != NULL; cmd++) {