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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] xl: refactor common parts of command line parsing
Hi,xl command options are currently handled in each command's sub function, leading to a lot of duplicate code. This patch moves the common part of it into a separate function, which handles the help switch, unknown options and an insufficient number of parameters. This removes a lot of redundant code.Due to the high number of commands this patch is rather large. If that would help reviewers, I could split it up, though this would be rather artificial. Just tell me. Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx> Regards, Andre. -- Andre Przywara AMD-Operating System Research Center (OSRC), Dresden, Germany commit 0a3c93adcc25763e177c3cb37806ad0cba0ab702
Author: Andre Przywara <andre.przywara@xxxxxxx>
Date: Thu Apr 14 11:11:37 2011 +0200
refactor xl command line parsing into a separate function
xl command options are currently handled in each command's sub
function, leading to a lot of duplicate code.
This patch moves the common part of it into a separate function,
which handles the help switch, unknown options and an insufficient
number of parameters. This removes a lot of redundant code.
Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index b64fcc8..946d988 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -1735,6 +1735,31 @@ static int64_t parse_mem_size_kb(const char *mem)
return kbytes;
}
+static int def_getopt(int argc, char * const argv[], const char *optstring,
+ const char* helpstr, int reqargs)
+{
+ int opt;
+
+ opterr = 0;
+ while ((opt = getopt(argc, argv, optstring)) == '?') {
+ if (optopt == 'h') {
+ help(helpstr);
+ return 0;
+ }
+ fprintf(stderr, "option `%c' not supported.\n", optopt);
+ }
+ if (opt != -1)
+ return opt;
+
+ if (argc - optind <= reqargs - 1) {
+ fprintf(stderr, "'xl %s' requires at least %d argument%s.\n\n",
+ helpstr, reqargs, reqargs > 1 ? "s" : "");
+ help(helpstr);
+ return 2;
+ }
+ return -1;
+}
+
static int set_memory_max(const char *p, const char *mem)
{
int64_t memorykb;
@@ -1759,20 +1784,8 @@ int main_memmax(int argc, char **argv)
char *p = NULL, *mem;
int rc;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("mem-max");
- exit(0);
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc - 1) {
- help("mem-max");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "mem-max", 2)) != -1)
+ return opt;
p = argv[optind];
mem = argv[optind + 1];
@@ -1806,20 +1819,8 @@ int main_memset(int argc, char **argv)
int opt = 0;
const char *p = NULL, *mem;
- while ((opt = getopt(argc, argv, "h:")) != -1) {
- switch (opt) {
- case 'h':
- help("mem-set");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc - 1) {
- help("mem-set");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "mem-set", 2)) != -1)
+ return opt;
p = argv[optind];
mem = argv[optind + 1];
@@ -1854,20 +1855,8 @@ int main_cd_eject(int argc, char **argv)
int opt = 0;
const char *p = NULL, *virtdev;
- while ((opt = getopt(argc, argv, "hn:")) != -1) {
- switch (opt) {
- case 'h':
- help("cd-eject");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc - 1) {
- help("cd-eject");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "cd-eject", 2)) != -1)
+ return opt;
p = argv[optind];
virtdev = argv[optind + 1];
@@ -1882,20 +1871,8 @@ int main_cd_insert(int argc, char **argv)
const char *p = NULL, *virtdev;
char *file = NULL; /* modified by cd_insert tokenising it */
- while ((opt = getopt(argc, argv, "hn:")) != -1) {
- switch (opt) {
- case 'h':
- help("cd-insert");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc - 2) {
- help("cd-insert");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "cd-insert", 3)) != -1)
+ return opt;
p = argv[optind];
virtdev = argv[optind + 1];
@@ -1910,11 +1887,10 @@ int main_console(int argc, char **argv)
int opt = 0, num = 0;
libxl_console_constype type = 0;
- while ((opt = getopt(argc, argv, "hn:t:")) != -1) {
+ while ((opt = def_getopt(argc, argv, "n:t:", "console", 1)) != -1) {
switch (opt) {
- case 'h':
- help("console");
- return 0;
+ case 0: case 2:
+ return opt;
case 't':
if (!strcmp(optarg, "pv"))
type = LIBXL_CONSTYPE_PV;
@@ -1928,15 +1904,8 @@ int main_console(int argc, char **argv)
case 'n':
num = atoi(optarg);
break;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
- if (optind >= argc) {
- help("console");
- return 2;
- }
find_domain(argv[optind]);
if (!type)
@@ -2011,16 +1980,8 @@ int main_pcilist_assignable(int argc, char **argv)
{
int opt;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("pci-list-assignable-devices");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "pci-list-assignable-devices", 0))
!= -1)
+ return opt;
pcilist_assignable();
return 0;
@@ -2050,20 +2011,8 @@ int main_pcilist(int argc, char **argv)
int opt;
const char *domname = NULL;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("pci-list");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc) {
- help("pci-list");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "pci-list", 1)) != -1)
+ return opt;
domname = argv[optind];
@@ -2092,23 +2041,15 @@ int main_pcidetach(int argc, char **argv)
int force = 0;
const char *domname = NULL, *bdf = NULL;
- while ((opt = getopt(argc, argv, "hf")) != -1) {
+ while ((opt = def_getopt(argc, argv, "f", "pci-detach", 2)) != -1) {
switch (opt) {
- case 'h':
- help("pci-detach");
- return 0;
+ case 0: case 2:
+ return opt;
case 'f':
force = 1;
break;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
- if (optind >= argc - 1) {
- help("pci-detach");
- return 2;
- }
domname = argv[optind];
bdf = argv[optind + 1];
@@ -2136,20 +2077,8 @@ int main_pciattach(int argc, char **argv)
int opt;
const char *domname = NULL, *bdf = NULL, *vs = NULL;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("pci-attach");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc - 1) {
- help("pci-attach");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "pci-attach", 2)) != -1)
+ return opt;
domname = argv[optind];
bdf = argv[optind + 1];
@@ -2791,8 +2720,10 @@ int main_restore(int argc, char **argv)
int paused = 0, debug = 0, daemonize = 1, console_autoconnect = 0;
int opt, rc;
- while ((opt = getopt(argc, argv, "chpde")) != -1) {
+ while ((opt = def_getopt(argc, argv, "cpde", "restore", 1)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'c':
console_autoconnect = 1;
break;
@@ -2805,12 +2736,6 @@ int main_restore(int argc, char **argv)
case 'e':
daemonize = 0;
break;
- case 'h':
- help("restore");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -2845,21 +2770,16 @@ int main_migrate_receive(int argc, char **argv)
int debug = 0, daemonize = 1;
int opt;
- while ((opt = getopt(argc, argv, "hed")) != -1) {
+ while ((opt = def_getopt(argc, argv, "ed", "migrate-receive", 0)) != -1) {
switch (opt) {
- case 'h':
- help("migrate-receive");
- return 2;
- break;
+ case 0: case 2:
+ return opt;
case 'e':
daemonize = 0;
break;
case 'd':
debug = 1;
break;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -2878,21 +2798,17 @@ int main_save(int argc, char **argv)
int checkpoint = 0;
int opt;
- while ((opt = getopt(argc, argv, "hc")) != -1) {
+ while ((opt = def_getopt(argc, argv, "c", "save", 1)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'c':
checkpoint = 1;
break;
- case 'h':
- help("save");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
- if (argc-optind < 1 || argc-optind > 3) {
+ if (argc-optind > 3) {
help("save");
return 2;
}
@@ -2913,11 +2829,10 @@ int main_migrate(int argc, char **argv)
char *host;
int opt, daemonize = 1, debug = 0;
- while ((opt = getopt(argc, argv, "hC:s:ed")) != -1) {
+ while ((opt = def_getopt(argc, argv, "C:s:ed", "migrate", 2)) != -1) {
switch (opt) {
- case 'h':
- help("migrate");
- return 0;
+ case 0: case 2:
+ return opt;
case 'C':
config_filename = optarg;
break;
@@ -2930,17 +2845,9 @@ int main_migrate(int argc, char **argv)
case 'd':
debug = 1;
break;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
- if (argc-optind < 2 || argc-optind > 2) {
- help("migrate");
- return 2;
- }
-
p = argv[optind];
host = argv[optind + 1];
@@ -2961,20 +2868,10 @@ int main_migrate(int argc, char **argv)
int main_dump_core(int argc, char **argv)
{
int opt;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("dump-core");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if ( argc-optind < 2 ) {
- help("dump-core");
- return 2;
- }
+
+ if ((opt = def_getopt(argc, argv, "", "dump-core", 2)) != -1)
+ return opt;
+
core_dump_domain(argv[optind], argv[optind + 1]);
return 0;
}
@@ -2982,80 +2879,35 @@ int main_dump_core(int argc, char **argv)
int main_pause(int argc, char **argv)
{
int opt;
- const char *p;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("pause");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc) {
- help("pause");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "pause", 1)) != -1)
+ return opt;
- p = argv[optind];
+ pause_domain(argv[optind]);
- pause_domain(p);
return 0;
}
int main_unpause(int argc, char **argv)
{
int opt;
- const char *p;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("unpause");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc) {
- help("unpause");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "unpause", 1)) != -1)
+ return opt;
- p = argv[optind];
+ unpause_domain(argv[optind]);
- unpause_domain(p);
return 0;
}
int main_destroy(int argc, char **argv)
{
int opt;
- const char *p;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("destroy");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc) {
- help("destroy");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "destroy", 1)) != -1)
+ return opt;
- p = argv[optind];
-
- destroy_domain(p);
+ destroy_domain(argv[optind]);
return 0;
}
@@ -3063,57 +2915,32 @@ int main_shutdown(int argc, char **argv)
{
int opt;
int wait = 0;
- const char *p;
- while ((opt = getopt(argc, argv, "hw")) != -1) {
+ while ((opt = def_getopt(argc, argv, "w", "shutdown", 1)) != -1) {
switch (opt) {
- case 'h':
- help("shutdown");
- return 0;
+ case 0: case 2:
+ return opt;
case 'w':
wait = 1;
break;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
- if (optind >= argc) {
- help("shutdown");
- return 2;
- }
-
- p = argv[optind];
- shutdown_domain(p, wait);
+ shutdown_domain(argv[optind], wait);
return 0;
}
int main_reboot(int argc, char **argv)
{
int opt;
- const char *p;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("reboot");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc) {
- help("reboot");
- return 2;
- }
- p = argv[optind];
+ if ((opt = def_getopt(argc, argv, "", "reboot", 1)) != -1)
+ return opt;
- reboot_domain(p);
+ reboot_domain(argv[optind]);
return 0;
}
+
int main_list(int argc, char **argv)
{
int opt, verbose = 0;
@@ -3191,16 +3018,8 @@ int main_list_vm(int argc, char **argv)
{
int opt;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("list-vm");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "list-vm", 0)) != -1)
+ return opt;
list_vm();
return 0;
@@ -3317,28 +3136,12 @@ static void button_press(const char *p, const char *b)
int main_button_press(int argc, char **argv)
{
int opt;
- const char *p;
- const char *b;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("button-press");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc - 1) {
- help("button-press");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "button-press", 2)) != -1)
+ return opt;
- p = argv[optind];
- b = argv[optind + 1];
+ button_press(argv[optind], argv[optind + 1]);
- button_press(p, b);
return 0;
}
@@ -3481,16 +3284,8 @@ int main_vcpulist(int argc, char **argv)
{
int opt;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("vcpu-list");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "cpu-list", 0)) != -1)
+ return opt;
vcpulist(argc - optind, argv + optind);
return 0;
@@ -3572,21 +3367,8 @@ int main_vcpupin(int argc, char **argv)
{
int opt;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("vcpu-pin");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
-
- if (optind != argc - 3) {
- help("vcpu-pin");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "vcpu-pin", 3)) != -1)
+ return opt;
vcpupin(argv[optind], argv[optind+1] , argv[optind+2]);
return 0;
@@ -3623,21 +3405,9 @@ int main_vcpuset(int argc, char **argv)
{
int opt;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("vcpu-set");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "vcpu-set", 2)) != -1)
+ return opt;
- if (optind >= argc - 1) {
- help("vcpu-set");
- return 2;
- }
vcpuset(argv[optind], argv[optind+1]);
return 0;
}
@@ -3848,8 +3618,10 @@ int main_sched_credit(int argc, char **argv)
int weight = 256, cap = 0, opt_w = 0, opt_c = 0;
int opt, rc;
- while ((opt = getopt(argc, argv, "hd:w:c:")) != -1) {
+ while ((opt = def_getopt(argc, argv, "d:w:c:", "sched-credit", 0)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'd':
dom = optarg;
break;
@@ -3861,12 +3633,6 @@ int main_sched_credit(int argc, char **argv)
cap = strtol(optarg, NULL, 10);
opt_c = 1;
break;
- case 'h':
- help("sched-credit");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -3918,23 +3684,10 @@ int main_domid(int argc, char **argv)
int opt;
const char *domname = NULL;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("domid");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "domid", 1)) != -1)
+ return opt;
domname = argv[optind];
- if (!domname) {
- fprintf(stderr, "Must specify a domain name.\n\n");
- help("domid");
- return 1;
- }
if (libxl_name_to_domid(ctx, domname, &domid)) {
fprintf(stderr, "Can't get domid of domain name '%s', maybe this
domain does not exist.\n", domname);
@@ -3952,22 +3705,9 @@ int main_domname(int argc, char **argv)
char *domname = NULL;
char *endptr = NULL;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("domname");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "domname", 1)) != -1)
+ return opt;
- if (!argv[optind]) {
- fprintf(stderr, "Must specify a domain id.\n\n");
- help("domname");
- return 1;
- }
domid = strtol(argv[optind], &endptr, 10);
if (domid == 0 && !strcmp(endptr, argv[optind])) {
/*no digits at all*/
@@ -3993,23 +3733,10 @@ int main_rename(int argc, char **argv)
const char *dom;
const char *new_name;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("rename");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "rename", 2)) != -1)
+ return opt;
dom = argv[optind++];
- if (!dom || !argv[optind]) {
- fprintf(stderr, "'xl rename' requires 2 arguments.\n\n");
- help("rename");
- return 1;
- }
find_domain(dom);
new_name = argv[optind];
@@ -4030,23 +3757,10 @@ int main_trigger(int argc, char **argv)
const char *dom = NULL;
int vcpuid = 0;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("trigger");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "trigger", 2)) != -1)
+ return opt;
dom = argv[optind++];
- if (!dom || !argv[optind]) {
- fprintf(stderr, "'xl trigger' requires between 2 and 3
arguments.\n\n");
- help("trigger");
- return 1;
- }
find_domain(dom);
@@ -4071,23 +3785,10 @@ int main_sysrq(int argc, char **argv)
const char *sysrq = NULL;
const char *dom = NULL;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("sysrq");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "sysrq", 2)) != -1)
+ return opt;
dom = argv[optind++];
- if (!dom || !argv[optind]) {
- fprintf(stderr, "'xl sysrq' requires 2 arguments.\n\n");
- help("sysrq");
- return 1;
- }
find_domain(dom);
@@ -4109,20 +3810,8 @@ int main_debug_keys(int argc, char **argv)
int opt;
char *keys;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("debug-keys");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (optind >= argc) {
- help("debug-keys");
- return 2;
- }
+ if ((opt = def_getopt(argc, argv, "", "debug-keys", 1)) != -1)
+ return opt;
keys = argv[optind];
@@ -4141,17 +3830,13 @@ int main_dmesg(int argc, char **argv)
char *line;
int opt, ret = 1;
- while ((opt = getopt(argc, argv, "hc")) != -1) {
+ while ((opt = def_getopt(argc, argv, "c", "dmesg", 0)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'c':
clear = 1;
break;
- case 'h':
- help("dmesg");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -4171,16 +3856,8 @@ int main_top(int argc, char **argv)
{
int opt;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("top");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "top", 0)) != -1)
+ return opt;
return system("xentop");
}
@@ -4194,17 +3871,10 @@ int main_networkattach(int argc, char **argv)
int i;
unsigned int val;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("network-attach");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if ((argc-optind < 2) || (argc-optind > 11)) {
+ if ((opt = def_getopt(argc, argv, "", "network-attach", 1)) != -1)
+ return opt;
+
+ if (argc-optind > 11) {
help("network-attach");
return 0;
}
@@ -4276,20 +3946,8 @@ int main_networklist(int argc, char **argv)
libxl_nicinfo *nics;
unsigned int nb, i;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("network-list");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (argc-optind < 1) {
- help("network-list");
- return 1;
- }
+ if ((opt = def_getopt(argc, argv, "", "network-list", 0)) != -1)
+ return opt;
/* Idx BE MAC Hdl Sta evch txr/rxr BE-path */
printf("%-3s %-2s %-17s %-6s %-5s %-6s %5s/%-5s %-30s\n",
@@ -4325,20 +3983,8 @@ int main_networkdetach(int argc, char **argv)
int opt;
libxl_device_nic nic;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("network-detach");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (argc-optind != 2) {
- help("network-detach");
- return 0;
- }
+ if ((opt = def_getopt(argc, argv, "", "network-detach", 2)) != -1)
+ return opt;
if (domain_qualifier_to_domid(argv[optind], &domid, 0) < 0) {
fprintf(stderr, "%s is an invalid domain identifier\n", argv[optind]);
@@ -4371,19 +4017,11 @@ int main_blockattach(int argc, char **argv)
uint32_t fe_domid, be_domid = 0;
libxl_device_disk disk = { 0 };
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("block-attach");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if ((argc-optind < 3) || (argc-optind > 5)) {
+ if ((opt = def_getopt(argc, argv, "", "block-attach", 2)) != -1)
+ return opt;
+ if (argc-optind > 5) {
help("block-attach");
- return 0;
+ return 2;
}
tok = strtok(argv[optind+1], ":");
@@ -4446,20 +4084,8 @@ int main_blocklist(int argc, char **argv)
libxl_device_disk *disks;
libxl_diskinfo diskinfo;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("block-list");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (argc-optind < 1) {
- help("block-list");
- return 0;
- }
+ if ((opt = def_getopt(argc, argv, "", "block-list", 1)) != -1)
+ return opt;
printf("%-5s %-3s %-6s %-5s %-6s %-8s %-30s\n",
"Vdev", "BE", "handle", "state", "evt-ch", "ring-ref", "BE-path");
@@ -4492,20 +4118,8 @@ int main_blockdetach(int argc, char **argv)
int opt;
libxl_device_disk disk;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("block-detach");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
- if (argc-optind != 2) {
- help("block-detach");
- return 0;
- }
+ if ((opt = def_getopt(argc, argv, "", "block-detach", 2)) != -1)
+ return opt;
if (domain_qualifier_to_domid(argv[optind], &domid, 0) < 0) {
fprintf(stderr, "%s is an invalid domain identifier\n", argv[optind]);
@@ -4687,17 +4301,13 @@ int main_uptime(int argc, char **argv)
int nb_doms = 0;
int opt;
- while ((opt = getopt(argc, argv, "hs")) != -1) {
+ while ((opt = def_getopt(argc, argv, "s", "uptime", 1)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 's':
short_mode = 1;
break;
- case 'h':
- help("uptime");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -4719,20 +4329,16 @@ int main_tmem_list(int argc, char **argv)
int all = 0;
int opt;
- while ((opt = getopt(argc, argv, "alh")) != -1) {
+ while ((opt = def_getopt(argc, argv, "al", "tmem-list", 0)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'l':
use_long = 1;
break;
case 'a':
all = 1;
break;
- case 'h':
- help("tmem-list");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -4763,17 +4369,13 @@ int main_tmem_freeze(int argc, char **argv)
int all = 0;
int opt;
- while ((opt = getopt(argc, argv, "ah")) != -1) {
+ while ((opt = def_getopt(argc, argv, "a", "tmem-freeze", 0)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'a':
all = 1;
break;
- case 'h':
- help("tmem-freeze");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -4799,17 +4401,13 @@ int main_tmem_destroy(int argc, char **argv)
int all = 0;
int opt;
- while ((opt = getopt(argc, argv, "ah")) != -1) {
+ while ((opt = def_getopt(argc, argv, "a", "tmem-destroy", 0)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'a':
all = 1;
break;
- case 'h':
- help("tmem-destroy");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -4835,17 +4433,13 @@ int main_tmem_thaw(int argc, char **argv)
int all = 0;
int opt;
- while ((opt = getopt(argc, argv, "ah")) != -1) {
+ while ((opt = def_getopt(argc, argv, "a", "tmem-thaw", 0)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'a':
all = 1;
break;
- case 'h':
- help("tmem-thaw");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -4873,8 +4467,10 @@ int main_tmem_set(int argc, char **argv)
int all = 0;
int opt;
- while ((opt = getopt(argc, argv, "aw:c:p:h")) != -1) {
+ while ((opt = def_getopt(argc, argv, "aw:c:p:", "tmem-set", 0)) != -1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'a':
all = 1;
break;
@@ -4890,12 +4486,6 @@ int main_tmem_set(int argc, char **argv)
compress = strtol(optarg, NULL, 10);
opt_p = 1;
break;
- case 'h':
- help("tmem-set");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -4937,8 +4527,10 @@ int main_tmem_shared_auth(int argc, char **argv)
int all = 0;
int opt;
- while ((opt = getopt(argc, argv, "au:A:h")) != -1) {
+ while ((opt = def_getopt(argc, argv, "au:A:", "tmem-shared-auth", 0)) !=
-1) {
switch (opt) {
+ case 0: case 2:
+ return opt;
case 'a':
all = 1;
break;
@@ -4948,12 +4540,6 @@ int main_tmem_shared_auth(int argc, char **argv)
case 'A':
autharg = optarg;
break;
- case 'h':
- help("tmem-shared-auth");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
}
}
@@ -4991,16 +4577,8 @@ int main_tmem_freeable(int argc, char **argv)
int opt;
int mb;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("tmem-freeable");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "tmem-freeable", 0)) != -1)
+ return opt;
mb = libxl_tmem_freeable(ctx);
if (mb == -1)
@@ -5318,23 +4896,10 @@ int main_cpupooldestroy(int argc, char **argv)
const char *pool;
uint32_t poolid;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("cpupool-destroy");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "cpupool-destroy", 1)) != -1)
+ return opt;
pool = argv[optind];
- if (!pool) {
- fprintf(stderr, "no cpupool specified\n");
- help("cpupool-destroy");
- return -ERROR_FAIL;
- }
if (cpupool_qualifier_to_cpupoolid(pool, &poolid, NULL) ||
!libxl_cpupoolid_to_name(ctx, poolid)) {
@@ -5352,23 +4917,10 @@ int main_cpupoolrename(int argc, char **argv)
const char *new_name;
uint32_t poolid;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("cpupool-rename");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "cpupool-rename", 2)) != -1)
+ return opt;
pool = argv[optind++];
- if (!pool || !argv[optind]) {
- fprintf(stderr, "'xl cpupool-rename' requires 2 arguments.\n\n");
- help("cpupool-rename");
- return 1;
- }
if (cpupool_qualifier_to_cpupoolid(pool, &poolid, NULL) ||
!libxl_cpupoolid_to_name(ctx, poolid)) {
@@ -5395,29 +4947,10 @@ int main_cpupoolcpuadd(int argc, char **argv)
int node;
int n;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("cpupool-cpu-add");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "cpupool-cpu-add", 2)) != -1)
+ return opt;
pool = argv[optind++];
- if (!pool) {
- fprintf(stderr, "no cpupool specified\n");
- help("cpupool-cpu-add");
- return -ERROR_FAIL;
- }
-
- if (!argv[optind]) {
- fprintf(stderr, "no cpu specified\n");
- help("cpupool-cpu-add");
- return -ERROR_FAIL;
- }
node = -1;
cpu = -1;
if (strncmp(argv[optind], "node:", 5) == 0) {
@@ -5458,29 +4991,10 @@ int main_cpupoolcpuremove(int argc, char **argv)
int node;
int n;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("cpupool-cpu-remove");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "cpupool-cpu-remove", 2)) != -1)
+ return opt;
pool = argv[optind++];
- if (!pool) {
- fprintf(stderr, "no cpupool specified\n");
- help("cpupool-cpu-remove");
- return -ERROR_FAIL;
- }
-
- if (!argv[optind]) {
- fprintf(stderr, "no cpu specified\n");
- help("cpupool-cpu-remove");
- return -ERROR_FAIL;
- }
node = -1;
cpu = -1;
if (strncmp(argv[optind], "node:", 5) == 0) {
@@ -5520,30 +5034,11 @@ int main_cpupoolmigrate(int argc, char **argv)
const char *dom;
uint32_t domid;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("cpupool-migrate");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "cpupool-migrate", 2)) != -1)
+ return opt;
dom = argv[optind++];
- if (!dom) {
- fprintf(stderr, "no domain specified\n");
- help("cpupool-migrate");
- return -ERROR_FAIL;
- }
-
- pool = argv[optind++];
- if (!pool) {
- fprintf(stderr, "no cpupool specified\n");
- help("cpupool-migrate");
- return -ERROR_FAIL;
- }
+ pool = argv[optind];
if (domain_qualifier_to_domid(dom, &domid, NULL) ||
!libxl_domid_to_name(ctx, domid)) {
@@ -5578,16 +5073,8 @@ int main_cpupoolnumasplit(int argc, char **argv)
libxl_topologyinfo topology;
libxl_dominfo info;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("cpupool-numa-split");
- return 0;
- default:
- fprintf(stderr, "option `%c' not supported.\n", optopt);
- break;
- }
- }
+ if ((opt = def_getopt(argc, argv, "", "cpupool-numa-split", 0)) != -1)
+ return opt;
ret = 0;
poolinfo = libxl_list_cpupool(ctx, &n_pools);
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