int nsh_session(FAR struct console_stdio_s *pstate) { int ret; DEBUGASSERT(pstate); /* Present a greeting */ printf("%s", g_nshgreeting); /* Then enter the command line parsing loop */ for (;;) { /* For the case of debugging the USB console... dump collected USB trace data */ #ifdef CONFIG_NSH_USBDEV_TRACE nsh_usbtrace(); #endif /* Display the prompt string */ printf("%s", g_nshprompt); /* Get the next line of input. readline() returns EOF on end-of-file * or any read failure. */ #ifdef CONFIG_NSH_CLE ret = cle(pstate->cn_line, CONFIG_NSH_LINELEN, stdin, stdout); #else ret = std_readline(pstate->cn_line, CONFIG_NSH_LINELEN); #endif if (ret != EOF) { /* Parse process the command */ (void)nsh_parse(&pstate->cn_vtbl, pstate->cn_line); } /* Readline normally returns the number of characters read, * but will return EOF on end of file or if an error occurs. * EOF will cause the session to terminate. */ else { printf(g_fmtcmdfailed, "nsh_session", "readline", NSH_ERRNO_OF(-ret)); return EXIT_SUCCESS; } } /* We do not get here, but this is necessary to keep some compilers happy. * But others will complain that this code is not reachable. */ return EXIT_SUCCESS; }
int nsh_session(FAR struct console_stdio_s *pstate) { FAR struct nsh_vtbl_s *vtbl; int ret; DEBUGASSERT(pstate); vtbl = &pstate->cn_vtbl; #ifdef CONFIG_NSH_CONSOLE_LOGIN /* Login User and Password Check */ if (nsh_stdlogin(pstate) != OK) { nsh_exit(vtbl, 1); return -1; /* nsh_exit does not return */ } #endif /* CONFIG_NSH_CONSOLE_LOGIN */ /* Present a greeting and possibly a Message of the Day (MOTD) */ printf("%s", g_nshgreeting); #ifdef CONFIG_NSH_MOTD # ifdef CONFIG_NSH_PLATFORM_MOTD /* Output the platform message of the day */ platform_motd(vtbl->iobuffer, IOBUFFERSIZE); printf("%s\n", vtbl->iobuffer); # else /* Output the fixed message of the day */ printf("%s\n", g_nshmotd); # endif #endif /* Then enter the command line parsing loop */ for (;;) { /* For the case of debugging the USB console... dump collected USB trace data */ #ifdef CONFIG_NSH_USBDEV_TRACE nsh_usbtrace(); #endif /* Display the prompt string */ printf("%s", g_nshprompt); /* Get the next line of input. readline() returns EOF on end-of-file * or any read failure. */ #ifdef CONFIG_NSH_CLE ret = cle(pstate->cn_line, CONFIG_NSH_LINELEN, stdin, stdout); #else ret = std_readline(pstate->cn_line, CONFIG_NSH_LINELEN); #endif if (ret != EOF) { /* Parse process the command */ (void)nsh_parse(vtbl, pstate->cn_line); } /* Readline normally returns the number of characters read, * but will return EOF on end of file or if an error occurs. * EOF will cause the session to terminate. */ else { printf(g_fmtcmdfailed, "nsh_session", "readline", NSH_ERRNO_OF(-ret)); return EXIT_SUCCESS; } } /* We do not get here, but this is necessary to keep some compilers happy. * But others will complain that this code is not reachable. */ return EXIT_SUCCESS; }