build: remove clang warning about global var 'match'

remove clang warning - "Argument to free() is the address of a global
variable, which is not memory allocated by malloc()".

Change-Id: I015273eafc9644207684b363434c6ae8149bfcde
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1613
Tested-by: jenkins

diff --git a/src/helper/command.c b/src/helper/command.c
index 4e0314315cf3fc8ce7fc965c07e07d0485aed2d3..a179578c23790ca3a96f469132c51bacd01be8f0 100644 (file)
--- a/src/helper/command.c
+++ b/src/helper/command.c
@@ -814,13 +814,13 @@ static COMMAND_HELPER(command_help_find, struct command *head,
 }
 
 static COMMAND_HELPER(command_help_show, struct command *c, unsigned n,
-       bool show_help, const char *match);
+       bool show_help, const char *cmd_match);
 
 static COMMAND_HELPER(command_help_show_list, struct command *head, unsigned n,
-       bool show_help, const char *match)
+       bool show_help, const char *cmd_match)
 {
        for (struct command *c = head; NULL != c; c = c->next)
-               CALL_COMMAND_HANDLER(command_help_show, c, n, show_help, match);
+               CALL_COMMAND_HANDLER(command_help_show, c, n, show_help, cmd_match);
        return ERROR_OK;
 }
 
@@ -852,7 +852,7 @@ static void command_help_show_wrap(const char *str, unsigned n, unsigned n2)
 }
 
 static COMMAND_HELPER(command_help_show, struct command *c, unsigned n,
-       bool show_help, const char *match)
+       bool show_help, const char *cmd_match)
 {
        char *cmd_name = command_name(c, ' ');
        if (NULL == cmd_name)
@@ -860,9 +860,9 @@ static COMMAND_HELPER(command_help_show, struct command *c, unsigned n,
 
        /* If the match string occurs anywhere, we print out
         * stuff for this command. */
-       bool is_match = (strstr(cmd_name, match) != NULL) ||
-               ((c->usage != NULL) && (strstr(c->usage, match) != NULL)) ||
-               ((c->help != NULL) && (strstr(c->help, match) != NULL));
+       bool is_match = (strstr(cmd_name, cmd_match) != NULL) ||
+               ((c->usage != NULL) && (strstr(c->usage, cmd_match) != NULL)) ||
+               ((c->help != NULL) && (strstr(c->help, cmd_match) != NULL));
 
        if (is_match) {
                command_help_show_indent(n);
@@ -913,7 +913,7 @@ static COMMAND_HELPER(command_help_show, struct command *c, unsigned n,
        }
 
        return CALL_COMMAND_HANDLER(command_help_show_list,
-               c->children, n, show_help, match);
+               c->children, n, show_help, cmd_match);
 }
 
 COMMAND_HANDLER(handle_help_command)
@@ -921,26 +921,26 @@ COMMAND_HANDLER(handle_help_command)
        bool full = strcmp(CMD_NAME, "help") == 0;
        int retval;
        struct command *c = CMD_CTX->commands;
-       char *match = NULL;
+       char *cmd_match = NULL;
 
        if (CMD_ARGC == 0)
-               match = "";
+               cmd_match = "";
        else if (CMD_ARGC >= 1) {
                unsigned i;
 
                for (i = 0; i < CMD_ARGC; ++i) {
-                       if (NULL != match) {
-                               char *prev = match;
+                       if (NULL != cmd_match) {
+                               char *prev = cmd_match;
 
-                               match = alloc_printf("%s %s", match, CMD_ARGV[i]);
+                               cmd_match = alloc_printf("%s %s", cmd_match, CMD_ARGV[i]);
                                free(prev);
-                               if (NULL == match) {
+                               if (NULL == cmd_match) {
                                        LOG_ERROR("unable to build search string");
                                        return -ENOMEM;
                                }
                        } else {
-                               match = alloc_printf("%s", CMD_ARGV[i]);
-                               if (NULL == match) {
+                               cmd_match = alloc_printf("%s", CMD_ARGV[i]);
+                               if (NULL == cmd_match) {
                                        LOG_ERROR("unable to build search string");
                                        return -ENOMEM;
                                }
@@ -950,10 +950,10 @@ COMMAND_HANDLER(handle_help_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        retval = CALL_COMMAND_HANDLER(command_help_show_list,
-                       c, 0, full, match);
+                       c, 0, full, cmd_match);
 
        if (CMD_ARGC >= 1)
-               free(match);
+               free(cmd_match);
        return retval;
 }