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* shell: added help,

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* shell: fixed default shell commands
This commit is contained in:
Kaspar Schleiser 2010-11-04 15:05:51 +01:00
parent 2e94065cd9
commit 07681a1914
3 changed files with 23 additions and 3 deletions
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1
sys/include/shell.h
View File

@ -36,6 +36,7 @@ and the mailinglist (subscription via web site)
typedef struct shell_command_t {
char* name;
char* desc;
void (*handler)(char*);
} shell_command_t;

17
sys/shell/shell.c
View File

@ -61,6 +61,17 @@ static void(*find_handler(const shell_command_t *command_list, char *command))(c
return NULL;
}
static void print_help(const shell_command_t *command_list) {
const shell_command_t *entry = command_list;
printf("%-20s %s\n", "Command", "Description");
while(entry->name != NULL) {
printf("%-20s %s\n", entry->name, entry->desc);
entry++;
}
}
static void handle_input_line(shell_t *shell, char* line) {
char* saveptr;
char* linedup = strdup(line);
@ -73,7 +84,11 @@ static void handle_input_line(shell_t *shell, char* line) {
if (handler != NULL) {
handler(line);
} else {
puts("shell: command not found.");
if ( strcmp("help", command) == 0) {
print_help(shell->command_list);
} else {
puts("shell: command not found.");
}
}
}

8
sys/shell/shell_commands.c
View File

@ -1,10 +1,14 @@
#include <shell.h>
#include <stdlib.h>
#ifdef MODULE_PS
extern void _ps_handler(char* unnused);
#endif
const shell_command_t _shell_command_list[] = {
#ifdef MODULE_PS
{"ps", ps_handler},
{"ps", "Prints information about running threads.", _ps_handler},
#endif
{NULL, NULL}
{NULL, NULL, NULL}
};