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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15371 27425a3e-05d8-49a3-a47f-9c15f0e5edd8

This commit is contained in:
Giovanni Di Sirio 2022-01-17 19:32:37 +00:00
parent 0d2a33ce22
commit 8312fe5a73
1 changed files with 15 additions and 17 deletions
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32
os/sb/apps/msh/main.c
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@ -128,7 +128,7 @@ static char *fetch_argument(char **pp) {
return ap; return ap;
} }
static int cmd_env(int argc, char *argv[]) { static void cmd_env(int argc, char *argv[]) {
extern char **environ; extern char **environ;
char **pp; char **pp;
@ -136,7 +136,7 @@ static int cmd_env(int argc, char *argv[]) {
if (argc != 1) { if (argc != 1) {
shell_usage("env"); shell_usage("env");
return 1; return;
} }
pp = environ; pp = environ;
@ -144,11 +144,9 @@ static int cmd_env(int argc, char *argv[]) {
shell_write(*pp++); shell_write(*pp++);
shell_write(SHELL_NEWLINE_STR); shell_write(SHELL_NEWLINE_STR);
} }
return 0;
} }
static int cmd_exit(int argc, char *argv[]) { static void cmd_exit(int argc, char *argv[]) {
msg_t msg; msg_t msg;
if (argc == 1) { if (argc == 1) {
@ -159,22 +157,20 @@ static int cmd_exit(int argc, char *argv[]) {
} }
else { else {
shell_usage("exit [n]"); shell_usage("exit [n]");
return 1; return;
} }
sbExit(msg); sbExit(msg);
return 0;
} }
static int cmd_path(int argc, char *argv[]) { static void cmd_path(int argc, char *argv[]) {
char *s; char *s;
(void)argv; (void)argv;
if (argc != 1) { if (argc != 1) {
shell_usage("path"); shell_usage("path");
return 1; return;
} }
s = getenv("PATH"); s = getenv("PATH");
@ -182,16 +178,14 @@ static int cmd_path(int argc, char *argv[]) {
shell_write(s); shell_write(s);
shell_write(SHELL_NEWLINE_STR); shell_write(SHELL_NEWLINE_STR);
} }
return 0;
} }
static int shell_execute(int argc, char *argv[]) { static bool shell_execute(int argc, char *argv[]) {
int i; int i;
static const struct { static const struct {
const char *name; const char *name;
int (*cmdf)(int argc, char *argv[]); void (*cmdf)(int argc, char *argv[]);
} builtins[] = { } builtins[] = {
{"env", cmd_env}, {"env", cmd_env},
{"exit", cmd_exit}, {"exit", cmd_exit},
@ -202,12 +196,13 @@ static int shell_execute(int argc, char *argv[]) {
i = 0; i = 0;
while (builtins[i].name != NULL) { while (builtins[i].name != NULL) {
if (strcmp(builtins[i].name, argv[0]) == 0) { if (strcmp(builtins[i].name, argv[0]) == 0) {
return builtins[i].cmdf(argc, argv); builtins[i].cmdf(argc, argv);
return false;
} }
i++; i++;
} }
return -1; return true;
} }
/* /*
@ -262,7 +257,10 @@ int main(int argc, char *argv[], char *envp[]) {
/* Executing command, if any.*/ /* Executing command, if any.*/
if (i > 0) { if (i > 0) {
shell_execute(i, args); if (shell_execute(i, args)){
shell_error(args[0]);
shell_error("?" SHELL_NEWLINE_STR);
}
} }
} }
} }