/* * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /* #define DEBUG */ #include <common.h> #include <watchdog.h> #include <command.h> #include <malloc.h> #ifdef CFG_HUSH_PARSER #include <hush.h> #endif #include <post.h> #if defined(CONFIG_BOOT_RETRY_TIME) && defined(CONFIG_RESET_TO_RETRY) extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); /* for do_reset() prototype */ #endif extern int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); #define MAX_DELAY_STOP_STR 32 static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen); static int parse_line (char *, char *[]); #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) static int abortboot(int); #endif #undef DEBUG_PARSER char console_buffer[CFG_CBSIZE]; /* console I/O buffer */ static char erase_seq[] = "\b \b"; /* erase sequence */ static char tab_seq[] = " "; /* used to expand TABs */ #ifdef CONFIG_BOOT_RETRY_TIME static uint64_t endtime = 0; /* must be set, default is instant timeout */ static int retry_time = -1; /* -1 so can call readline before main_loop */ #endif #define endtick(seconds) (get_ticks() + (uint64_t)(seconds) * get_tbclk()) #ifndef CONFIG_BOOT_RETRY_MIN #define CONFIG_BOOT_RETRY_MIN CONFIG_BOOT_RETRY_TIME #endif #ifdef CONFIG_MODEM_SUPPORT int do_mdm_init = 0; extern void mdm_init(void); /* defined in board.c */ #endif /*************************************************************************** * Watch for 'delay' seconds for autoboot stop or autoboot delay string. * returns: 0 - no key string, allow autoboot * 1 - got key string, abort */ #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) # if defined(CONFIG_AUTOBOOT_KEYED) static __inline__ int abortboot(int bootdelay) { int abort = 0; uint64_t etime = endtick(bootdelay); struct { char* str; u_int len; int retry; } delaykey [] = { { str: getenv ("bootdelaykey"), retry: 1 }, { str: getenv ("bootdelaykey2"), retry: 1 }, { str: getenv ("bootstopkey"), retry: 0 }, { str: getenv ("bootstopkey2"), retry: 0 }, }; char presskey [MAX_DELAY_STOP_STR]; u_int presskey_len = 0; u_int presskey_max = 0; u_int i; #ifdef CONFIG_SILENT_CONSOLE { DECLARE_GLOBAL_DATA_PTR; if (gd->flags & GD_FLG_SILENT) { /* Restore serial console */ console_assign (stdout, "serial"); console_assign (stderr, "serial"); } } #endif # ifdef CONFIG_AUTOBOOT_PROMPT printf (CONFIG_AUTOBOOT_PROMPT, bootdelay); # endif # ifdef CONFIG_AUTOBOOT_DELAY_STR if (delaykey[0].str == NULL) delaykey[0].str = CONFIG_AUTOBOOT_DELAY_STR; # endif # ifdef CONFIG_AUTOBOOT_DELAY_STR2 if (delaykey[1].str == NULL) delaykey[1].str = CONFIG_AUTOBOOT_DELAY_STR2; # endif # ifdef CONFIG_AUTOBOOT_STOP_STR if (delaykey[2].str == NULL) delaykey[2].str = CONFIG_AUTOBOOT_STOP_STR; # endif # ifdef CONFIG_AUTOBOOT_STOP_STR2 if (delaykey[3].str == NULL) delaykey[3].str = CONFIG_AUTOBOOT_STOP_STR2; # endif for (i = 0; i < sizeof(delaykey) / sizeof(delaykey[0]); i ++) { delaykey[i].len = delaykey[i].str == NULL ? 0 : strlen (delaykey[i].str); delaykey[i].len = delaykey[i].len > MAX_DELAY_STOP_STR ? MAX_DELAY_STOP_STR : delaykey[i].len; presskey_max = presskey_max > delaykey[i].len ? presskey_max : delaykey[i].len; # if DEBUG_BOOTKEYS printf("%s key:<%s>\n", delaykey[i].retry ? "delay" : "stop", delaykey[i].str ? delaykey[i].str : "NULL"); # endif } /* In order to keep up with incoming data, check timeout only * when catch up. */ while (!abort && get_ticks() <= etime) { for (i = 0; i < sizeof(delaykey) / sizeof(delaykey[0]); i ++) { if (delaykey[i].len > 0 && presskey_len >= delaykey[i].len && memcmp (presskey + presskey_len - delaykey[i].len, delaykey[i].str, delaykey[i].len) == 0) { # if DEBUG_BOOTKEYS printf("got %skey\n", delaykey[i].retry ? "delay" : "stop"); # endif # ifdef CONFIG_BOOT_RETRY_TIME /* don't retry auto boot */ if (! delaykey[i].retry) retry_time = -1; # endif abort = 1; } } if (tstc()) { if (presskey_len < presskey_max) { presskey [presskey_len ++] = getc(); } else { for (i = 0; i < presskey_max - 1; i ++) presskey [i] = presskey [i + 1]; presskey [i] = getc(); } } } # if DEBUG_BOOTKEYS if (!abort) puts ("key timeout\n"); # endif #ifdef CONFIG_SILENT_CONSOLE { DECLARE_GLOBAL_DATA_PTR; if (abort) { /* permanently enable normal console output */ gd->flags &= ~(GD_FLG_SILENT); } else if (gd->flags & GD_FLG_SILENT) { /* Restore silent console */ console_assign (stdout, "nulldev"); console_assign (stderr, "nulldev"); } } #endif return abort; } # else /* !defined(CONFIG_AUTOBOOT_KEYED) */ #ifdef CONFIG_MENUKEY static int menukey = 0; #endif static __inline__ int abortboot(int bootdelay) { int abort = 0; #ifdef CONFIG_SILENT_CONSOLE { DECLARE_GLOBAL_DATA_PTR; if (gd->flags & GD_FLG_SILENT) { /* Restore serial console */ console_assign (stdout, "serial"); console_assign (stderr, "serial"); } } #endif #ifdef CONFIG_MENUPROMPT printf(CONFIG_MENUPROMPT, bootdelay); #else printf("Hit any key to stop autoboot: %2d ", bootdelay); #endif #if defined CONFIG_ZERO_BOOTDELAY_CHECK /* * Check if key already pressed * Don't check if bootdelay < 0 */ if (bootdelay >= 0) { if (tstc()) { /* we got a key press */ (void) getc(); /* consume input */ puts ("\b\b\b 0"); abort = 1; /* don't auto boot */ } } #endif while ((bootdelay > 0) && (!abort)) { int i; --bootdelay; /* delay 100 * 10ms */ for (i=0; !abort && i<100; ++i) { if (tstc()) { /* we got a key press */ abort = 1; /* don't auto boot */ bootdelay = 0; /* no more delay */ # ifdef CONFIG_MENUKEY menukey = getc(); # else (void) getc(); /* consume input */ # endif break; } udelay (10000); } printf ("\b\b\b%2d ", bootdelay); } putc ('\n'); #ifdef CONFIG_SILENT_CONSOLE { DECLARE_GLOBAL_DATA_PTR; if (abort) { /* permanently enable normal console output */ gd->flags &= ~(GD_FLG_SILENT); } else if (gd->flags & GD_FLG_SILENT) { /* Restore silent console */ console_assign (stdout, "nulldev"); console_assign (stderr, "nulldev"); } } #endif return abort; } # endif /* CONFIG_AUTOBOOT_KEYED */ #endif /* CONFIG_BOOTDELAY >= 0 */ /****************************************************************************/ void main_loop (void) { #ifndef CFG_HUSH_PARSER static char lastcommand[CFG_CBSIZE] = { 0, }; int len; int rc = 1; int flag; #endif #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) char *s; int bootdelay; #endif #ifdef CONFIG_PREBOOT char *p; #endif #ifdef CONFIG_BOOTCOUNT_LIMIT unsigned long bootcount = 0; unsigned long bootlimit = 0; char *bcs; char bcs_set[16]; #endif /* CONFIG_BOOTCOUNT_LIMIT */ #if defined(CONFIG_VFD) && defined(VFD_TEST_LOGO) ulong bmp = 0; /* default bitmap */ extern int trab_vfd (ulong bitmap); #ifdef CONFIG_MODEM_SUPPORT if (do_mdm_init) bmp = 1; /* alternate bitmap */ #endif trab_vfd (bmp); #endif /* CONFIG_VFD && VFD_TEST_LOGO */ #ifdef CONFIG_BOOTCOUNT_LIMIT bootcount = bootcount_load(); bootcount++; bootcount_store (bootcount); sprintf (bcs_set, "%lu", bootcount); setenv ("bootcount", bcs_set); bcs = getenv ("bootlimit"); bootlimit = bcs ? simple_strtoul (bcs, NULL, 10) : 0; #endif /* CONFIG_BOOTCOUNT_LIMIT */ #ifdef CONFIG_MODEM_SUPPORT debug ("DEBUG: main_loop: do_mdm_init=%d\n", do_mdm_init); if (do_mdm_init) { uchar *str = strdup(getenv("mdm_cmd")); setenv ("preboot", str); /* set or delete definition */ if (str != NULL) free (str); mdm_init(); /* wait for modem connection */ } #endif /* CONFIG_MODEM_SUPPORT */ #ifdef CONFIG_VERSION_VARIABLE { extern char version_string[]; setenv ("ver", version_string); /* set version variable */ } #endif /* CONFIG_VERSION_VARIABLE */ #ifdef CFG_HUSH_PARSER u_boot_hush_start (); #endif #ifdef CONFIG_AUTO_COMPLETE install_auto_complete(); #endif #ifdef CONFIG_PREBOOT if ((p = getenv ("preboot")) != NULL) { # ifdef CONFIG_AUTOBOOT_KEYED int prev = disable_ctrlc(1); /* disable Control C checking */ # endif # ifndef CFG_HUSH_PARSER run_command (p, 0); # else parse_string_outer(p, FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP); # endif # ifdef CONFIG_AUTOBOOT_KEYED disable_ctrlc(prev); /* restore Control C checking */ # endif } #endif /* CONFIG_PREBOOT */ #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) s = getenv ("bootdelay"); bootdelay = s ? (int)simple_strtol(s, NULL, 10) : CONFIG_BOOTDELAY; debug ("### main_loop entered: bootdelay=%d\n\n", bootdelay); # ifdef CONFIG_BOOT_RETRY_TIME init_cmd_timeout (); # endif /* CONFIG_BOOT_RETRY_TIME */ #ifdef CONFIG_BOOTCOUNT_LIMIT if (bootlimit && (bootcount > bootlimit)) { printf ("Warning: Bootlimit (%u) exceeded. Using altbootcmd.\n", (unsigned)bootlimit); s = getenv ("altbootcmd"); } else #endif /* CONFIG_BOOTCOUNT_LIMIT */ s = getenv ("bootcmd"); debug ("### main_loop: bootcmd=\"%s\"\n", s ? s : "<UNDEFINED>"); if (bootdelay >= 0 && s && !abortboot (bootdelay)) { # ifdef CONFIG_AUTOBOOT_KEYED int prev = disable_ctrlc(1); /* disable Control C checking */ # endif # ifndef CFG_HUSH_PARSER run_command (s, 0); # else parse_string_outer(s, FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP); # endif # ifdef CONFIG_AUTOBOOT_KEYED disable_ctrlc(prev); /* restore Control C checking */ # endif } # ifdef CONFIG_MENUKEY if (menukey == CONFIG_MENUKEY) { s = getenv("menucmd"); if (s) { # ifndef CFG_HUSH_PARSER run_command (s, 0); # else parse_string_outer(s, FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP); # endif } } #endif /* CONFIG_MENUKEY */ #endif /* CONFIG_BOOTDELAY */ #ifdef CONFIG_AMIGAONEG3SE { extern void video_banner(void); video_banner(); } #endif /* * Main Loop for Monitor Command Processing */ #ifdef CFG_HUSH_PARSER parse_file_outer(); /* This point is never reached */ for (;;); #else for (;;) { #ifdef CONFIG_BOOT_RETRY_TIME if (rc >= 0) { /* Saw enough of a valid command to * restart the timeout. */ reset_cmd_timeout(); } #endif len = readline (CFG_PROMPT); flag = 0; /* assume no special flags for now */ if (len > 0) strcpy (lastcommand, console_buffer); else if (len == 0) flag |= CMD_FLAG_REPEAT; #ifdef CONFIG_BOOT_RETRY_TIME else if (len == -2) { /* -2 means timed out, retry autoboot */ puts ("\nTimed out waiting for command\n"); # ifdef CONFIG_RESET_TO_RETRY /* Reinit board to run initialization code again */ do_reset (NULL, 0, 0, NULL); # else return; /* retry autoboot */ # endif } #endif if (len == -1) puts ("<INTERRUPT>\n"); else rc = run_command (lastcommand, flag); if (rc <= 0) { /* invalid command or not repeatable, forget it */ lastcommand[0] = 0; } } #endif /*CFG_HUSH_PARSER*/ } #ifdef CONFIG_BOOT_RETRY_TIME /*************************************************************************** * initialise command line timeout */ void init_cmd_timeout(void) { char *s = getenv ("bootretry"); if (s != NULL) retry_time = (int)simple_strtol(s, NULL, 10); else retry_time = CONFIG_BOOT_RETRY_TIME; if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN) retry_time = CONFIG_BOOT_RETRY_MIN; } /*************************************************************************** * reset command line timeout to retry_time seconds */ void reset_cmd_timeout(void) { endtime = endtick(retry_time); } #endif /****************************************************************************/ /* * Prompt for input and read a line. * If CONFIG_BOOT_RETRY_TIME is defined and retry_time >= 0, * time out when time goes past endtime (timebase time in ticks). * Return: number of read characters * -1 if break * -2 if timed out */ int readline (const char *const prompt) { char *p = console_buffer; int n = 0; /* buffer index */ int plen = 0; /* prompt length */ int col; /* output column cnt */ char c; /* print prompt */ if (prompt) { plen = strlen (prompt); puts (prompt); } col = plen; for (;;) { #ifdef CONFIG_BOOT_RETRY_TIME while (!tstc()) { /* while no incoming data */ if (retry_time >= 0 && get_ticks() > endtime) return (-2); /* timed out */ } #endif WATCHDOG_RESET(); /* Trigger watchdog, if needed */ #ifdef CONFIG_SHOW_ACTIVITY while (!tstc()) { extern void show_activity(int arg); show_activity(0); } #endif c = getc(); /* * Special character handling */ switch (c) { case '\r': /* Enter */ case '\n': *p = '\0'; puts ("\r\n"); return (p - console_buffer); case '\0': /* nul */ continue; case 0x03: /* ^C - break */ console_buffer[0] = '\0'; /* discard input */ return (-1); case 0x15: /* ^U - erase line */ while (col > plen) { puts (erase_seq); --col; } p = console_buffer; n = 0; continue; case 0x17: /* ^W - erase word */ p=delete_char(console_buffer, p, &col, &n, plen); while ((n > 0) && (*p != ' ')) { p=delete_char(console_buffer, p, &col, &n, plen); } continue; case 0x08: /* ^H - backspace */ case 0x7F: /* DEL - backspace */ p=delete_char(console_buffer, p, &col, &n, plen); continue; default: /* * Must be a normal character then */ if (n < CFG_CBSIZE-2) { if (c == '\t') { /* expand TABs */ #ifdef CONFIG_AUTO_COMPLETE /* if auto completion triggered just continue */ *p = '\0'; if (cmd_auto_complete(prompt, console_buffer, &n, &col)) { p = console_buffer + n; /* reset */ continue; } #endif puts (tab_seq+(col&07)); col += 8 - (col&07); } else { ++col; /* echo input */ putc (c); } *p++ = c; ++n; } else { /* Buffer full */ putc ('\a'); } } } } /****************************************************************************/ static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen) { char *s; if (*np == 0) { return (p); } if (*(--p) == '\t') { /* will retype the whole line */ while (*colp > plen) { puts (erase_seq); (*colp)--; } for (s=buffer; s<p; ++s) { if (*s == '\t') { puts (tab_seq+((*colp) & 07)); *colp += 8 - ((*colp) & 07); } else { ++(*colp); putc (*s); } } } else { puts (erase_seq); (*colp)--; } (*np)--; return (p); } /****************************************************************************/ int parse_line (char *line, char *argv[]) { int nargs = 0; #ifdef DEBUG_PARSER printf ("parse_line: \"%s\"\n", line); #endif while (nargs < CFG_MAXARGS) { /* skip any white space */ while ((*line == ' ') || (*line == '\t')) { ++line; } if (*line == '\0') { /* end of line, no more args */ argv[nargs] = NULL; #ifdef DEBUG_PARSER printf ("parse_line: nargs=%d\n", nargs); #endif return (nargs); } argv[nargs++] = line; /* begin of argument string */ /* find end of string */ while (*line && (*line != ' ') && (*line != '\t')) { ++line; } if (*line == '\0') { /* end of line, no more args */ argv[nargs] = NULL; #ifdef DEBUG_PARSER printf ("parse_line: nargs=%d\n", nargs); #endif return (nargs); } *line++ = '\0'; /* terminate current arg */ } printf ("** Too many args (max. %d) **\n", CFG_MAXARGS); #ifdef DEBUG_PARSER printf ("parse_line: nargs=%d\n", nargs); #endif return (nargs); } /****************************************************************************/ static void process_macros (const char *input, char *output) { char c, prev; const char *varname_start = NULL; int inputcnt = strlen (input); int outputcnt = CFG_CBSIZE; int state = 0; /* 0 = waiting for '$' */ /* 1 = waiting for '(' or '{' */ /* 2 = waiting for ')' or '}' */ /* 3 = waiting for ''' */ #ifdef DEBUG_PARSER char *output_start = output; printf ("[PROCESS_MACROS] INPUT len %d: \"%s\"\n", strlen(input), input); #endif prev = '\0'; /* previous character */ while (inputcnt && outputcnt) { c = *input++; inputcnt--; if (state!=3) { /* remove one level of escape characters */ if ((c == '\\') && (prev != '\\')) { if (inputcnt-- == 0) break; prev = c; c = *input++; } } switch (state) { case 0: /* Waiting for (unescaped) $ */ if ((c == '\'') && (prev != '\\')) { state = 3; break; } if ((c == '$') && (prev != '\\')) { state++; } else { *(output++) = c; outputcnt--; } break; case 1: /* Waiting for ( */ if (c == '(' || c == '{') { state++; varname_start = input; } else { state = 0; *(output++) = '$'; outputcnt--; if (outputcnt) { *(output++) = c; outputcnt--; } } break; case 2: /* Waiting for ) */ if (c == ')' || c == '}') { int i; char envname[CFG_CBSIZE], *envval; int envcnt = input-varname_start-1; /* Varname # of chars */ /* Get the varname */ for (i = 0; i < envcnt; i++) { envname[i] = varname_start[i]; } envname[i] = 0; /* Get its value */ envval = getenv (envname); /* Copy into the line if it exists */ if (envval != NULL) while ((*envval) && outputcnt) { *(output++) = *(envval++); outputcnt--; } /* Look for another '$' */ state = 0; } break; case 3: /* Waiting for ' */ if ((c == '\'') && (prev != '\\')) { state = 0; } else { *(output++) = c; outputcnt--; } break; } prev = c; } if (outputcnt) *output = 0; #ifdef DEBUG_PARSER printf ("[PROCESS_MACROS] OUTPUT len %d: \"%s\"\n", strlen(output_start), output_start); #endif } /**************************************************************************** * returns: * 1 - command executed, repeatable * 0 - command executed but not repeatable, interrupted commands are * always considered not repeatable * -1 - not executed (unrecognized, bootd recursion or too many args) * (If cmd is NULL or "" or longer than CFG_CBSIZE-1 it is * considered unrecognized) * * WARNING: * * We must create a temporary copy of the command since the command we get * may be the result from getenv(), which returns a pointer directly to * the environment data, which may change magicly when the command we run * creates or modifies environment variables (like "bootp" does). */ int run_command (const char *cmd, int flag) { cmd_tbl_t *cmdtp; char cmdbuf[CFG_CBSIZE]; /* working copy of cmd */ char *token; /* start of token in cmdbuf */ char *sep; /* end of token (separator) in cmdbuf */ char finaltoken[CFG_CBSIZE]; char *str = cmdbuf; char *argv[CFG_MAXARGS + 1]; /* NULL terminated */ int argc, inquotes; int repeatable = 1; int rc = 0; #ifdef DEBUG_PARSER printf ("[RUN_COMMAND] cmd[%p]=\"", cmd); puts (cmd ? cmd : "NULL"); /* use puts - string may be loooong */ puts ("\"\n"); #endif clear_ctrlc(); /* forget any previous Control C */ if (!cmd || !*cmd) { return -1; /* empty command */ } if (strlen(cmd) >= CFG_CBSIZE) { puts ("## Command too long!\n"); return -1; } strcpy (cmdbuf, cmd); /* Process separators and check for invalid * repeatable commands */ #ifdef DEBUG_PARSER printf ("[PROCESS_SEPARATORS] %s\n", cmd); #endif while (*str) { /* * Find separator, or string end * Allow simple escape of ';' by writing "\;" */ for (inquotes = 0, sep = str; *sep; sep++) { if ((*sep=='\'') && (*(sep-1) != '\\')) inquotes=!inquotes; if (!inquotes && (*sep == ';') && /* separator */ ( sep != str) && /* past string start */ (*(sep-1) != '\\')) /* and NOT escaped */ break; } /* * Limit the token to data between separators */ token = str; if (*sep) { str = sep + 1; /* start of command for next pass */ *sep = '\0'; } else str = sep; /* no more commands for next pass */ #ifdef DEBUG_PARSER printf ("token: \"%s\"\n", token); #endif /* find macros in this token and replace them */ process_macros (token, finaltoken); /* Extract arguments */ argc = parse_line (finaltoken, argv); /* Look up command in command table */ if ((cmdtp = find_cmd(argv[0])) == NULL) { printf ("Unknown command '%s' - try 'help'\n", argv[0]); rc = -1; /* give up after bad command */ continue; } /* found - check max args */ if (argc > cmdtp->maxargs) { printf ("Usage:\n%s\n", cmdtp->usage); rc = -1; continue; } #if (CONFIG_COMMANDS & CFG_CMD_BOOTD) /* avoid "bootd" recursion */ if (cmdtp->cmd == do_bootd) { #ifdef DEBUG_PARSER printf ("[%s]\n", finaltoken); #endif if (flag & CMD_FLAG_BOOTD) { puts ("'bootd' recursion detected\n"); rc = -1; continue; } else flag |= CMD_FLAG_BOOTD; } #endif /* CFG_CMD_BOOTD */ /* OK - call function to do the command */ if ((cmdtp->cmd) (cmdtp, flag, argc, argv) != 0) { rc = -1; } repeatable &= cmdtp->repeatable; /* Did the user stop this? */ if (had_ctrlc ()) return 0; /* if stopped then not repeatable */ } return rc ? rc : repeatable; } /****************************************************************************/ #if (CONFIG_COMMANDS & CFG_CMD_RUN) int do_run (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { int i; if (argc < 2) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } for (i=1; i<argc; ++i) { char *arg; if ((arg = getenv (argv[i])) == NULL) { printf ("## Error: \"%s\" not defined\n", argv[i]); return 1; } #ifndef CFG_HUSH_PARSER if (run_command (arg, flag) == -1) return 1; #else if (parse_string_outer(arg, FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0) return 1; #endif } return 0; } #endif /* CFG_CMD_RUN */