+
+
+int write_cmd(char *buf, size_t buflen, const char *cmd, int argc, char *argv[])
+{
+ int i, res;
+ char *pos, *end;
+
+ pos = buf;
+ end = buf + buflen;
+
+ res = os_snprintf(pos, end - pos, "%s", cmd);
+ if (os_snprintf_error(end - pos, res))
+ goto fail;
+ pos += res;
+
+ for (i = 0; i < argc; i++) {
+ res = os_snprintf(pos, end - pos, " %s", argv[i]);
+ if (os_snprintf_error(end - pos, res))
+ goto fail;
+ pos += res;
+ }
+
+ buf[buflen - 1] = '\0';
+ return 0;
+
+fail:
+ printf("Too long command\n");
+ return -1;
+}