#include <common.h>
#include <command.h>
+#include <linux/ctype.h>
/*
* Use puts() instead of printf() to avoid printf buffer overflow
static char tmp_buf[512];
int space;
- space = last_char == '\0' || last_char == ' ' || last_char == '\t';
+ space = last_char == '\0' || isblank(last_char);
if (space && argc == 1)
return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf);
}
/* more than one arg or one but the start of the next */
- if (argc > 1 || (last_char == '\0' || last_char == ' ' || last_char == '\t')) {
+ if (argc > 1 || (last_char == '\0' || isblank(last_char))) {
cmdtp = find_cmd(argv[0]);
if (cmdtp == NULL || cmdtp->complete == NULL) {
cmdv[0] = NULL;
while (argc < argvsz - 1) {
/* skip any white space */
- while ((*s == ' ') || (*s == '\t'))
+ while (isblank(*s))
++s;
if (*s == '\0') /* end of s, no more args */
argv[argc++] = s; /* begin of argument string */
/* find end of string */
- while (*s && (*s != ' ') && (*s != '\t'))
+ while (*s && !isblank(*s))
++s;
if (*s == '\0') /* end of s, no more args */
addr = (ulong)(cmdtp->help) + gd->reloc_off;
cmdtp->help = (char *)addr;
}
+#endif
+#ifdef CONFIG_AUTO_COMPLETE
+ if (cmdtp->complete) {
+ addr = (ulong)(cmdtp->complete) + gd->reloc_off;
+ cmdtp->complete =
+ (int (*)(int, char * const [], char, int, char * []))addr;
+ }
#endif
cmdtp++;
}
}
#endif
+
+/**
+ * Call a command function. This should be the only route in U-Boot to call
+ * a command, so that we can track whether we are waiting for input or
+ * executing a command.
+ *
+ * @param cmdtp Pointer to the command to execute
+ * @param flag Some flags normally 0 (see CMD_FLAG_.. above)
+ * @param argc Number of arguments (arg 0 must be the command text)
+ * @param argv Arguments
+ * @return 0 if command succeeded, else non-zero (CMD_RET_...)
+ */
+static int cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int result;
+
+ result = (cmdtp->cmd)(cmdtp, flag, argc, argv);
+ if (result)
+ debug("Command failed, result=%d", result);
+ return result;
+}
+
+enum command_ret_t cmd_process(int flag, int argc, char * const argv[],
+ int *repeatable)
+{
+ enum command_ret_t rc = CMD_RET_SUCCESS;
+ cmd_tbl_t *cmdtp;
+
+ /* Look up command in command table */
+ cmdtp = find_cmd(argv[0]);
+ if (cmdtp == NULL) {
+ printf("Unknown command '%s' - try 'help'\n", argv[0]);
+ return 1;
+ }
+
+ /* found - check max args */
+ if (argc > cmdtp->maxargs)
+ rc = CMD_RET_USAGE;
+
+#if defined(CONFIG_CMD_BOOTD)
+ /* avoid "bootd" recursion */
+ else if (cmdtp->cmd == do_bootd) {
+ if (flag & CMD_FLAG_BOOTD) {
+ puts("'bootd' recursion detected\n");
+ rc = CMD_RET_FAILURE;
+ } else {
+ flag |= CMD_FLAG_BOOTD;
+ }
+ }
+#endif
+
+ /* If OK so far, then do the command */
+ if (!rc) {
+ rc = cmd_call(cmdtp, flag, argc, argv);
+ *repeatable &= cmdtp->repeatable;
+ }
+ if (rc == CMD_RET_USAGE)
+ rc = cmd_usage(cmdtp);
+ return rc;
+}