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authorJason Hobbs <jason.hobbs@calxeda.com>2011-08-31 10:37:24 -0500
committerJohn Rigby <john.rigby@linaro.org>2011-09-23 07:10:37 -0600
commit74a57989d97862da6ee587e32bea78385c5514d7 (patch)
tree7a95016c42a83ced4bca3b822e7fcd111cf4a52c
parent058f534ed97fbe411d88395c9dcd8fb7a29de605 (diff)
downloadu-boot-linaro-stable-74a57989d97862da6ee587e32bea78385c5514d7.tar.gz
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>
-rw-r--r--common/hush.c2
-rw-r--r--common/main.c56
-rw-r--r--include/hush.h2
3 files changed, 29 insertions, 31 deletions
diff --git a/common/hush.c b/common/hush.c
index 85a603071..940889b89 100644
--- a/common/hush.c
+++ b/common/hush.c
@@ -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;
diff --git a/common/main.c b/common/main.c
index b97d89e58..3adadfdaa 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;
}
diff --git a/include/hush.h b/include/hush.h
index 5c566cc8d..ecf9222d2 100644
--- a/include/hush.h
+++ b/include/hush.h
@@ -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);