#include <ctype.h>
#include <errno.h>
#include <sys/time.h>
+#include <getopt.h>
#include "cmd.h"
+#include "block/aio.h"
+#include "qemu/main-loop.h"
#define _(x) x /* not gettext support yet */
-extern int optind;
-
/* from libxcmd/command.c */
-cmdinfo_t *cmdtab;
-int ncmds;
-
-static argsfunc_t args_func;
-static checkfunc_t check_func;
static int ncmdline;
static char **cmdline;
-static int
-compare(const void *a, const void *b)
-{
- return strcmp(((const cmdinfo_t *)a)->name,
- ((const cmdinfo_t *)b)->name);
-}
-void
-add_command(
- const cmdinfo_t *ci)
+void add_user_command(char *optarg)
{
- cmdtab = realloc((void *)cmdtab, ++ncmds * sizeof(*cmdtab));
- cmdtab[ncmds - 1] = *ci;
- qsort(cmdtab, ncmds, sizeof(*cmdtab), compare);
+ cmdline = g_realloc(cmdline, ++ncmdline * sizeof(char *));
+ cmdline[ncmdline-1] = optarg;
}
-static int
-check_command(
- const cmdinfo_t *ci)
+static void prep_fetchline(void *opaque)
{
- if (check_func)
- return check_func(ci);
- return 1;
-}
+ int *fetchable = opaque;
-void
-add_check_command(
- checkfunc_t cf)
-{
- check_func = cf;
+ qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL);
+ *fetchable= 1;
}
-int
-command_usage(
- const cmdinfo_t *ci)
-{
- printf("%s %s -- %s\n", ci->name, ci->args, ci->oneline);
- return 0;
-}
+static char *get_prompt(void);
-int
-command(
- const cmdinfo_t *ct,
- int argc,
- char **argv)
+void command_loop(void)
{
- char *cmd = argv[0];
-
- if (!check_command(ct))
- return 0;
-
- if (argc-1 < ct->argmin || (ct->argmax != -1 && argc-1 > ct->argmax)) {
- if (ct->argmax == -1)
- fprintf(stderr,
- _("bad argument count %d to %s, expected at least %d arguments\n"),
- argc-1, cmd, ct->argmin);
- else if (ct->argmin == ct->argmax)
- fprintf(stderr,
- _("bad argument count %d to %s, expected %d arguments\n"),
- argc-1, cmd, ct->argmin);
- else
- fprintf(stderr,
- _("bad argument count %d to %s, expected between %d and %d arguments\n"),
- argc-1, cmd, ct->argmin, ct->argmax);
- return 0;
- }
- optind = 0;
- return ct->cfunc(argc, argv);
-}
+ int i, done = 0, fetchable = 0, prompted = 0;
+ char *input;
-const cmdinfo_t *
-find_command(
- const char *cmd)
-{
- cmdinfo_t *ct;
+ for (i = 0; !done && i < ncmdline; i++) {
+ done = qemuio_command(cmdline[i]);
+ }
+ if (cmdline) {
+ g_free(cmdline);
+ return;
+ }
- for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) {
- if (strcmp(ct->name, cmd) == 0 ||
- (ct->altname && strcmp(ct->altname, cmd) == 0))
- return (const cmdinfo_t *)ct;
- }
- return NULL;
-}
+ while (!done) {
+ if (!prompted) {
+ printf("%s", get_prompt());
+ fflush(stdout);
+ qemu_set_fd_handler(STDIN_FILENO, prep_fetchline, NULL, &fetchable);
+ prompted = 1;
+ }
-void
-add_user_command(char *optarg)
-{
- ncmdline++;
- cmdline = realloc(cmdline, sizeof(char*) * (ncmdline));
- if (!cmdline) {
- perror("realloc");
- exit(1);
- }
- cmdline[ncmdline-1] = optarg;
-}
+ main_loop_wait(false);
-static int
-args_command(
- int index)
-{
- if (args_func)
- return args_func(index);
- return 0;
-}
+ if (!fetchable) {
+ continue;
+ }
-void
-add_args_command(
- argsfunc_t af)
-{
- args_func = af;
-}
+ input = fetchline();
+ if (input == NULL) {
+ break;
+ }
+ done = qemuio_command(input);
+ free(input);
-void
-command_loop(void)
-{
- int c, i, j = 0, done = 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) {
- if (ct->flags & CMD_FLAG_GLOBAL)
- done = command(ct, c, v);
- else {
- j = 0;
- while (!done && (j = args_command(j)))
- done = command(ct, c, v);
- }
- } else
- fprintf(stderr, _("command \"%s\" not found\n"),
- v[0]);
- }
- doneline(input, v);
- }
- if (cmdline) {
- free(cmdline);
- return;
- }
- while (!done) {
- if ((input = fetchline()) == 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);
- }
+ prompted = 0;
+ fetchable = 0;
+ }
+ qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL);
}
/* from libxcmd/input.c */
if (!line)
return NULL;
- printf("%s", get_prompt());
- fflush(stdout);
if (!fgets(line, MAXREADLINESZ, stdin)) {
free(line);
return NULL;
}
#endif
-static char *qemu_strsep(char **input, const char *delim)
-{
- char *result = *input;
- if (result != NULL) {
- char *p = result;
- for (p = result; *p != '\0'; p++) {
- if (strchr(delim, *p)) {
- break;
- }
- }
- if (*p == '\0') {
- *input = NULL;
- } else {
- *p = '\0';
- *input = p + 1;
- }
- }
- return result;
-}
-
-char **
-breakline(
- char *input,
- int *count)
-{
- int c = 0;
- char *p;
- char **rval = calloc(sizeof(char *), 1);
-
- while (rval && (p = qemu_strsep(&input, " ")) != NULL) {
- if (!*p)
- continue;
- c++;
- rval = realloc(rval, sizeof(*rval) * (c + 1));
- if (!rval) {
- c = 0;
- break;
- }
- rval[c - 1] = p;
- rval[c] = NULL;
- }
- *count = c;
- 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)
#define MEGABYTES(x) ((long long)(x) << 20)
#define KILOBYTES(x) ((long long)(x) << 10)
-long long
-cvtnum(
- char *s)
-{
- long long i;
- char *sp;
- int c;
-
- i = strtoll(s, &sp, 0);
- if (i == 0 && sp == s)
- return -1LL;
- if (*sp == '\0')
- return i;
-
- if (sp[1] != '\0')
- return -1LL;
-
- c = tolower(*sp);
- switch (c) {
- default:
- return i;
- case 'k':
- return KILOBYTES(i);
- case 'm':
- return MEGABYTES(i);
- case 'g':
- return GIGABYTES(i);
- case 't':
- return TERABYTES(i);
- case 'p':
- return PETABYTES(i);
- case 'e':
- return EXABYTES(i);
- }
- return -1LL;
-}
-
#define TO_EXABYTES(x) ((x) / EXABYTES(1))
#define TO_PETABYTES(x) ((x) / PETABYTES(1))
#define TO_TERABYTES(x) ((x) / TERABYTES(1))
char *str,
size_t size)
{
- const char *fmt;
- int precise;
-
- precise = ((double)value * 1000 == (double)(int)value * 1000);
+ char *trim;
+ const char *suffix;
if (value >= EXABYTES(1)) {
- fmt = precise ? "%.f EiB" : "%.3f EiB";
- snprintf(str, size, fmt, TO_EXABYTES(value));
+ suffix = " EiB";
+ snprintf(str, size - 4, "%.3f", TO_EXABYTES(value));
} else if (value >= PETABYTES(1)) {
- fmt = precise ? "%.f PiB" : "%.3f PiB";
- snprintf(str, size, fmt, TO_PETABYTES(value));
+ suffix = " PiB";
+ snprintf(str, size - 4, "%.3f", TO_PETABYTES(value));
} else if (value >= TERABYTES(1)) {
- fmt = precise ? "%.f TiB" : "%.3f TiB";
- snprintf(str, size, fmt, TO_TERABYTES(value));
+ suffix = " TiB";
+ snprintf(str, size - 4, "%.3f", TO_TERABYTES(value));
} else if (value >= GIGABYTES(1)) {
- fmt = precise ? "%.f GiB" : "%.3f GiB";
- snprintf(str, size, fmt, TO_GIGABYTES(value));
+ suffix = " GiB";
+ snprintf(str, size - 4, "%.3f", TO_GIGABYTES(value));
} else if (value >= MEGABYTES(1)) {
- fmt = precise ? "%.f MiB" : "%.3f MiB";
- snprintf(str, size, fmt, TO_MEGABYTES(value));
+ suffix = " MiB";
+ snprintf(str, size - 4, "%.3f", TO_MEGABYTES(value));
} else if (value >= KILOBYTES(1)) {
- fmt = precise ? "%.f KiB" : "%.3f KiB";
- snprintf(str, size, fmt, TO_KILOBYTES(value));
+ suffix = " KiB";
+ snprintf(str, size - 4, "%.3f", TO_KILOBYTES(value));
+ } else {
+ suffix = " bytes";
+ snprintf(str, size - 6, "%f", value);
+ }
+
+ trim = strstr(str, ".000");
+ if (trim) {
+ strcpy(trim, suffix);
} else {
- snprintf(str, size, "%f bytes", value);
+ strcat(str, suffix);
}
}
snprintf(ts, size, "%u:%02u.%02u",
(unsigned int) MINUTES(tv->tv_sec),
(unsigned int) SECONDS(tv->tv_sec),
- (unsigned int) usec * 100);
+ (unsigned int) (usec * 100));
return;
}
format |= VERBOSE_FIXED_TIME; /* fallback if hours needed */
(unsigned int) HOURS(tv->tv_sec),
(unsigned int) MINUTES(tv->tv_sec),
(unsigned int) SECONDS(tv->tv_sec),
- (unsigned int) usec * 100);
+ (unsigned int) (usec * 100));
} else {
- snprintf(ts, size, "0.%04u sec", (unsigned int) usec * 10000);
+ snprintf(ts, size, "0.%04u sec", (unsigned int) (usec * 10000));
}
}
-
-
-/* from libxcmd/quit.c */
-
-static cmdinfo_t quit_cmd;
-
-/* ARGSUSED */
-static int
-quit_f(
- int argc,
- char **argv)
-{
- return 1;
-}
-
-void
-quit_init(void)
-{
- quit_cmd.name = _("quit");
- quit_cmd.altname = _("q");
- quit_cmd.cfunc = quit_f;
- quit_cmd.argmin = -1;
- quit_cmd.argmax = -1;
- quit_cmd.flags = CMD_FLAG_GLOBAL;
- quit_cmd.oneline = _("exit the program");
-
- add_command(&quit_cmd);
-}
-
-/* from libxcmd/help.c */
-
-static cmdinfo_t help_cmd;
-static void help_onecmd(const char *cmd, const cmdinfo_t *ct);
-static void help_oneline(const char *cmd, const cmdinfo_t *ct);
-
-static void
-help_all(void)
-{
- const cmdinfo_t *ct;
-
- for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++)
- help_oneline(ct->name, ct);
- printf(_("\nUse 'help commandname' for extended help.\n"));
-}
-
-static int
-help_f(
- int argc,
- char **argv)
-{
- const cmdinfo_t *ct;
-
- if (argc == 1) {
- help_all();
- return 0;
- }
- ct = find_command(argv[1]);
- if (ct == NULL) {
- printf(_("command %s not found\n"), argv[1]);
- return 0;
- }
- help_onecmd(argv[1], ct);
- return 0;
-}
-
-static void
-help_onecmd(
- const char *cmd,
- const cmdinfo_t *ct)
-{
- help_oneline(cmd, ct);
- if (ct->help)
- ct->help();
-}
-
-static void
-help_oneline(
- const char *cmd,
- const cmdinfo_t *ct)
-{
- if (cmd)
- printf("%s ", cmd);
- else {
- printf("%s ", ct->name);
- if (ct->altname)
- printf("(or %s) ", ct->altname);
- }
- if (ct->args)
- printf("%s ", ct->args);
- printf("-- %s\n", ct->oneline);
-}
-
-void
-help_init(void)
-{
- help_cmd.name = _("help");
- help_cmd.altname = _("?");
- help_cmd.cfunc = help_f;
- help_cmd.argmin = 0;
- help_cmd.argmax = 1;
- help_cmd.flags = CMD_FLAG_GLOBAL;
- help_cmd.args = _("[command]");
- help_cmd.oneline = _("help for one or all commands");
-
- add_command(&help_cmd);
-}
projects / qemu.git / blobdiff