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| author | Jason Hobbs <jason.hobbs@calxeda.com> | 2011-08-31 05:37:24 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-10-17 22:25:34 +0200 |
| commit | c8a2079e49ee15dde10278865425ec9c36215f31 (patch) | |
| tree | 61d9221a40d78ed3d6d618b63f6d0985bdea6fb4 /common/main.c | |
| parent | b41bc5a82d8a67d347f2fc12cf2106b8a37e4336 (diff) | |
| download | u-boot-imx-c8a2079e49ee15dde10278865425ec9c36215f31.zip u-boot-imx-c8a2079e49ee15dde10278865425ec9c36215f31.tar.gz u-boot-imx-c8a2079e49ee15dde10278865425ec9c36215f31.tar.bz2 | |
common: add run_command2 for running simple or hush commands
Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'common/main.c')
| -rw-r--r-- | common/main.c | 56 |
1 files changed, 27 insertions, 29 deletions
diff --git a/common/main.c b/common/main.c index b97d89e..3adadfd 100644 --- a/common/main.c +++ b/common/main.c @@ -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) - return 1; -#else - if (parse_string_outer(arg, - FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0) + + if (run_command2(arg, flag) != 0) return 1; -#endif } return 0; } |