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[xen staging] xl: constify cmd_table entries



commit aaf61c4750d467176cd49323019cd286e35b8688
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Tue May 4 17:14:36 2021 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Tue May 4 19:09:55 2021 +0100

    xl: constify cmd_table entries
    
    Also constify cmdtable_len and make use of ARRAY_SIZE, which is
    available in "xen-tools/libs.h".
    
    The entries in cmd_table don't need to be modified once xl is running.
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Reviewed-by: Julien Grall <jgrall@xxxxxxxxxx>
---
 tools/xl/xl.c          | 4 ++--
 tools/xl/xl.h          | 6 +++---
 tools/xl/xl_cmdtable.c | 9 +++++----
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/tools/xl/xl.c b/tools/xl/xl.c
index 3a89295802..4107d10fd4 100644
--- a/tools/xl/xl.c
+++ b/tools/xl/xl.c
@@ -362,7 +362,7 @@ int main(int argc, char **argv)
 {
     int opt = 0;
     char *cmd = 0;
-    struct cmd_spec *cspec;
+    const struct cmd_spec *cspec;
     int ret;
     void *config_data = 0;
     int config_len = 0;
@@ -462,7 +462,7 @@ int child_report(xlchildnum child)
 void help(const char *command)
 {
     int i;
-    struct cmd_spec *cmd;
+    const struct cmd_spec *cmd;
 
     if (!command || !strcmp(command, "help")) {
         printf("Usage xl [-vfNtT] <subcommand> [args]\n\n");
diff --git a/tools/xl/xl.h b/tools/xl/xl.h
index 137a29077c..e5a106dfbc 100644
--- a/tools/xl/xl.h
+++ b/tools/xl/xl.h
@@ -218,10 +218,10 @@ int main_qemu_monitor_command(int argc, char **argv);
 void help(const char *command);
 
 extern const char *common_domname;
-extern struct cmd_spec cmd_table[];
-extern int cmdtable_len;
+extern const struct cmd_spec cmd_table[];
+extern const int cmdtable_len;
 /* Look up a command in the table, allowing unambiguous truncation */
-struct cmd_spec *cmdtable_lookup(const char *s);
+const struct cmd_spec *cmdtable_lookup(const char *s);
 
 extern libxl_ctx *ctx;
 extern xentoollog_logger_stdiostream *logger;
diff --git a/tools/xl/xl_cmdtable.c b/tools/xl/xl_cmdtable.c
index 07f54daabe..661323d488 100644
--- a/tools/xl/xl_cmdtable.c
+++ b/tools/xl/xl_cmdtable.c
@@ -15,10 +15,11 @@
 #include <string.h>
 
 #include <libxl.h>
+#include <xen-tools/libs.h>
 
 #include "xl.h"
 
-struct cmd_spec cmd_table[] = {
+const struct cmd_spec cmd_table[] = {
     { "create",
       &main_create, 1, 1,
       "Create a domain from config file <filename>",
@@ -631,12 +632,12 @@ struct cmd_spec cmd_table[] = {
     },
 };
 
-int cmdtable_len = sizeof(cmd_table)/sizeof(struct cmd_spec);
+const int cmdtable_len = ARRAY_SIZE(cmd_table);
 
 /* Look up a command in the table, allowing unambiguous truncation */
-struct cmd_spec *cmdtable_lookup(const char *s)
+const struct cmd_spec *cmdtable_lookup(const char *s)
 {
-    struct cmd_spec *cmd = NULL;
+    const struct cmd_spec *cmd = NULL;
     size_t len;
     int i, count = 0;
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging



 


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