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qemu-io: Factor out qemuio_command 

It's duplicated code. Move it to qemu-io-cmds.c because it's not
dependent on any static data of the qemu-io tool.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kevin Wolf 2013-06-05 14:19:32 +02:00 committed by Stefan Hajnoczi
parent 797ac58cb2
commit dd5832967a
3 changed files with 31 additions and 39 deletions
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43
cmd.c
View File

@ -138,28 +138,11 @@ static char *get_prompt(void);
void command_loop(void)
{
int c, i, done = 0, fetchable = 0, prompted = 0;
int i, done = 0, fetchable = 0, prompted = 0;
char *input;
char **v;
const cmdinfo_t *ct;
for (i = 0; !done && i < ncmdline; i++) {
input = strdup(cmdline[i]);
if (!input) {
fprintf(stderr, _("cannot strdup command '%s': %s\n"),
cmdline[i], strerror(errno));
exit(1);
}
v = breakline(input, &c);
if (c) {
ct = find_command(v[0]);
if (ct) {
done = command(ct, c, v);
} else {
fprintf(stderr, _("command \"%s\" not found\n"), v[0]);
}
}
doneline(input, v);
done = qemuio_command(cmdline[i]);
}
if (cmdline) {
g_free(cmdline);
@ -179,20 +162,13 @@ void command_loop(void)
if (!fetchable) {
continue;
}
input = fetchline();
if (input == NULL) {
break;
}
v = breakline(input, &c);
if (c) {
ct = find_command(v[0]);
if (ct) {
done = command(ct, c, v);
} else {
fprintf(stderr, _("command \"%s\" not found\n"), v[0]);
}
}
doneline(input, v);
done = qemuio_command(input);
free(input);
prompted = 0;
fetchable = 0;
@ -328,15 +304,6 @@ char **breakline(char *input, int *count)
return rval;
}
void
doneline(
char *input,
char **vec)
{
free(input);
free(vec);
}
#define EXABYTES(x) ((long long)(x) << 60)
#define PETABYTES(x) ((long long)(x) << 50)
#define TERABYTES(x) ((long long)(x) << 40)

3
cmd.h
View File

@ -59,7 +59,6 @@ int command(const cmdinfo_t *ci, int argc, char **argv);
/* from input.h */
char **breakline(char *input, int *count);
void doneline(char *input, char **vec);
char *fetchline(void);
void cvtstr(double value, char *str, size_t sz);
@ -77,4 +76,6 @@ void timestr(struct timeval *tv, char *str, size_t sz, int flags);
extern char *progname;
bool qemuio_command(const char *cmd);
#endif /* __COMMAND_H__ */

24
qemu-io-cmds.c
View File

@ -1807,6 +1807,30 @@ static int init_check_command(BlockDriverState *bs, const cmdinfo_t *ct)
return 1;
}
bool qemuio_command(const char *cmd)
{
char *input;
const cmdinfo_t *ct;
char **v;
int c;
bool done = false;
input = g_strdup(cmd);
v = breakline(input, &c);
if (c) {
ct = find_command(v[0]);
if (ct) {
done = command(ct, c, v);
} else {
fprintf(stderr, "command \"%s\" not found\n", v[0]);
}
}
g_free(input);
g_free(v);
return done;
}
static void __attribute((constructor)) init_qemuio_commands(void)
{
/* initialize commands */