/**
* shell_runscript
*
* Parse and execute a script.
*/
int shell_runscript(char *buffer)
{
char *token, *save;
char *delim = ";\n";
char *argv[MAXLINE];
int stat, line, argc;
if (buffer == NULL)
return -1;
token = strtok_r(buffer, delim, &save);
for (line = 1; token != NULL; line++) {
if ((argc = shell_parseline(token, argv)) == -1) {
printf("runscript: syntax error on line %d, aborting.\n", line);
stat = -2;
break;
}
if ((stat = shell_callcmd(argc, argv)) != 0) {
printf("runscript: command error on line %d, aborting.\n", line);
stat = -3;
break;
}
shell_flushargs(argv);
token = strtok_r(NULL, delim, &save);
}
return stat;
}
int exec(FILE * f, char * line, const struct shell_cmd * cmd_tab)
{
char * argv[SHELL_ARG_MAX];
struct shell_cmd * cmd;
value_t val;
int argc;
int n;
/* if ((s = shell_stripline(line)) == NULL) {
return 0;
} */
if ((argc = shell_parseline(line, argv, SHELL_ARG_MAX)) == 0) {
return 0;
}
#if 0
for (n = 0; n < argc; n++) {
printf(" '%s'", argv[n]);
}
printf("\n");
#endif
/* */
if (argc > 2) {
if (strcmp(argv[1], "=") == 0) {
argv[1] = argv[0];
argv[0] = "let";
}
}
if ((cmd = cmd_lookup(cmd_tab, argv[0])) == NULL) {
DCC_LOG(LOG_TRACE, "cmd_lookup() == NULL");
if ((n = eval_uint32(&val, argc, argv)) < 0) {
DCC_LOG(LOG_WARNING, "eval_uint32()");
return n;
}
if (n != argc) {
DCC_LOG(LOG_WARNING, "parse error");
return -2;
}
show_uint32(f, val.uint32);
return 0;
}
return cmd->callback(f, argc, argv);
}
/**
* shell_prompt
*
* An interactive shell for xBoot.
*/
void shell_prompt(const char *prompt)
{
int argc, guard;
char *argv[MAXLINE];
char buffer[MAXLINE];
printf("\n\nEntering interactive shell. Run \'help\' for a list of commands.\n\n");
guard = (strlen(prompt));
while (1) {
printf("%s", prompt);
shell_getline(buffer, guard, MAXLINE);
argc = shell_parseline(buffer, argv);
shell_callcmd(argc, argv);
shell_flushargs(argv);
shell_flushbuffer(buffer);
}
return;
}
