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Expose command table search for sub-commands

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Sub-command can benefit from using the same table and search functions
that top level commands have.  Expose this functionality by refactoring
find_cmd() and introducing find_cmd_tbl() that sub-command processing
can call.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2008-09-23 10:05:02 -05:00 committed by Wolfgang Denk
parent f7e51b2750
commit b799cb4c0e
2 changed files with 17 additions and 4 deletions
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14
common/command.c
View file

@ -341,10 +341,10 @@ cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
/***************************************************************************
* find command table entry for a command
*/
cmd_tbl_t *find_cmd (const char *cmd)
cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len)
{
cmd_tbl_t *cmdtp;
cmd_tbl_t *cmdtp_temp = &__u_boot_cmd_start; /*Init value */
cmd_tbl_t *cmdtp_temp = table; /*Init value */
const char *p;
int len;
int n_found = 0;
@ -355,8 +355,8 @@ cmd_tbl_t *find_cmd (const char *cmd)
*/
len = ((p = strchr(cmd, '.')) == NULL) ? strlen (cmd) : (p - cmd);
for (cmdtp = &__u_boot_cmd_start;
cmdtp != &__u_boot_cmd_end;
for (cmdtp = table;
cmdtp != table + table_len;
cmdtp++) {
if (strncmp (cmd, cmdtp->name, len) == 0) {
if (len == strlen (cmdtp->name))
@ -373,6 +373,12 @@ cmd_tbl_t *find_cmd (const char *cmd)
return NULL; /* not found or ambiguous command */
}
cmd_tbl_t *find_cmd (const char *cmd)
{
int len = &__u_boot_cmd_end - &__u_boot_cmd_start;
return find_cmd_tbl(cmd, &__u_boot_cmd_start, len);
}
#ifdef CONFIG_AUTO_COMPLETE
int var_complete(int argc, char *argv[], char last_char, int maxv, char *cmdv[])

7
include/command.h
View file

@ -62,6 +62,7 @@ extern cmd_tbl_t __u_boot_cmd_end;
/* common/command.c */
cmd_tbl_t *find_cmd(const char *cmd);
cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len);
#ifdef CONFIG_AUTO_COMPLETE
extern void install_auto_complete(void);
@ -102,11 +103,17 @@ extern int cmd_get_data_size(char* arg, int default_size);
#define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \
cmd_tbl_t __u_boot_cmd_##name Struct_Section = {#name, maxargs, rep, cmd, usage, help}
#define U_BOOT_CMD_MKENT(name,maxargs,rep,cmd,usage,help) \
{#name, maxargs, rep, cmd, usage, help}
#else /* no long help info */
#define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \
cmd_tbl_t __u_boot_cmd_##name Struct_Section = {#name, maxargs, rep, cmd, usage}
#define U_BOOT_CMD_MKENT(name,maxargs,rep,cmd,usage,help) \
{#name, maxargs, rep, cmd, usage}
#endif /* CFG_LONGHELP */
#endif /* __COMMAND_H */