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common: add run_command2 for running simple or hush commands

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Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Jason Hobbs 2011-08-31 05:37:24 +00:00 committed by Wolfgang Denk
parent b41bc5a82d
commit c8a2079e49
3 changed files with 29 additions and 31 deletions
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2
common/hush.c
View file

@ -3217,7 +3217,7 @@ int parse_stream_outer(struct in_str *inp, int flag)
#ifndef __U_BOOT__
static int parse_string_outer(const char *s, int flag)
#else
int parse_string_outer(char *s, int flag)
int parse_string_outer(const char *s, int flag)
#endif /* __U_BOOT__ */
{
struct in_str input;

56
common/main.c
View file

@ -83,8 +83,7 @@ extern void mdm_init(void); /* defined in board.c */
/***************************************************************************
* Watch for 'delay' seconds for autoboot stop or autoboot delay string.
* returns: 0 - no key string, allow autoboot
* 1 - got key string, abort
* returns: 0 - no key string, allow autoboot 1 - got key string, abort
*/
#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
# if defined(CONFIG_AUTOBOOT_KEYED)
@ -266,6 +265,26 @@ int abortboot(int bootdelay)
# endif /* CONFIG_AUTOBOOT_KEYED */
#endif /* CONFIG_BOOTDELAY >= 0 */
/*
* Return 0 on success, or != 0 on error.
*/
static inline
int run_command2(const char *cmd, int flag)
{
#ifndef CONFIG_SYS_HUSH_PARSER
/*
* run_command can return 0 or 1 for success, so clean up its result.
*/
if (run_command(cmd, flag) == -1)
return 1;
return 0;
#else
return parse_string_outer(cmd,
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
#endif
}
/****************************************************************************/
void main_loop (void)
@ -332,12 +351,7 @@ void main_loop (void)
int prev = disable_ctrlc(1); /* disable Control C checking */
# endif
# ifndef CONFIG_SYS_HUSH_PARSER
run_command (p, 0);
# else
parse_string_outer(p, FLAG_PARSE_SEMICOLON |
FLAG_EXIT_FROM_LOOP);
# endif
run_command2(p, 0);
# ifdef CONFIG_AUTOBOOT_KEYED
disable_ctrlc(prev); /* restore Control C checking */
@ -382,12 +396,7 @@ void main_loop (void)
int prev = disable_ctrlc(1); /* disable Control C checking */
# endif
# ifndef CONFIG_SYS_HUSH_PARSER
run_command (s, 0);
# else
parse_string_outer(s, FLAG_PARSE_SEMICOLON |
FLAG_EXIT_FROM_LOOP);
# endif
run_command2(s, 0);
# ifdef CONFIG_AUTOBOOT_KEYED
disable_ctrlc(prev); /* restore Control C checking */
@ -397,14 +406,8 @@ void main_loop (void)
# ifdef CONFIG_MENUKEY
if (menukey == CONFIG_MENUKEY) {
s = getenv("menucmd");
if (s) {
# ifndef CONFIG_SYS_HUSH_PARSER
run_command(s, 0);
# else
parse_string_outer(s, FLAG_PARSE_SEMICOLON |
FLAG_EXIT_FROM_LOOP);
# endif
}
if (s)
run_command2(s, 0);
}
#endif /* CONFIG_MENUKEY */
#endif /* CONFIG_BOOTDELAY */
@ -1403,14 +1406,9 @@ int do_run (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
printf ("## Error: \"%s\" not defined\n", argv[i]);
return 1;
}
#ifndef CONFIG_SYS_HUSH_PARSER
if (run_command (arg, flag) == -1)
if (run_command2(arg, flag) != 0)
return 1;
#else
if (parse_string_outer(arg,
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
return 1;
#endif
}
return 0;
}

2
include/hush.h
View file

@ -29,7 +29,7 @@
#define FLAG_REPARSING (1 << 2) /* >=2nd pass */
extern int u_boot_hush_start(void);
extern int parse_string_outer(char *, int);
extern int parse_string_outer(const char *, int);
extern int parse_file_outer(void);
int set_local_var(const char *s, int flg_export);