ea109f6a20
Limit the copied data to the buffer's size. Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
70 lines
1.3 KiB
C
70 lines
1.3 KiB
C
/**
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* Copyright (c) 2020 Linaro
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/shell/shell.h>
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#include "eswifi.h"
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static struct eswifi_dev *eswifi;
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void eswifi_shell_register(struct eswifi_dev *dev)
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{
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/* only one instance supported */
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if (eswifi) {
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return;
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}
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eswifi = dev;
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}
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static int eswifi_shell_atcmd(const struct shell *sh, size_t argc,
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char **argv)
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{
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int i;
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size_t len = 0;
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if (eswifi == NULL) {
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shell_print(sh, "no eswifi device registered");
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return -ENOEXEC;
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}
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if (argc < 2) {
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shell_help(sh);
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return -ENOEXEC;
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}
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eswifi_lock(eswifi);
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memset(eswifi->buf, 0, sizeof(eswifi->buf));
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for (i = 1; i < argc; i++) {
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size_t argv_len = strlen(argv[i]);
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if ((len + argv_len) >= sizeof(eswifi->buf) - 1) {
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break;
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}
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memcpy(eswifi->buf + len, argv[i], argv_len);
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len += argv_len;
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}
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eswifi->buf[len] = '\r';
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shell_print(sh, "> %s", eswifi->buf);
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eswifi_at_cmd(eswifi, eswifi->buf);
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shell_print(sh, "< %s", eswifi->buf);
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eswifi_unlock(eswifi);
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return 0;
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}
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SHELL_STATIC_SUBCMD_SET_CREATE(eswifi_shell,
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SHELL_CMD(atcmd, NULL, "<atcmd>", eswifi_shell_atcmd),
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SHELL_SUBCMD_SET_END /* Array terminated. */
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);
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SHELL_CMD_REGISTER(eswifi, &eswifi_shell, "esWiFi debug shell", NULL);
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