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Add run_command_repeatable()

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run_command() returns 0 on success and 1 on error. However, there are some
invocations which expect 0 or 1 for success (not repeatable or repeatable)
and -1 for error; add run_command_repeatable() for this purpose.

Signed-off-by: Thomas Betker <thomas.betker@rohde-schwarz.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Thomas Betker 2014-06-05 20:07:57 +02:00 committed by Tom Rini
parent 73671dad49
commit 1d43bfd2d5
2 changed files with 25 additions and 0 deletions
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24
common/cli.c
View file

@ -41,6 +41,30 @@ int run_command(const char *cmd, int flag)
#endif
}
/*
* Run a command using the selected parser, and check if it is repeatable.
*
* @param cmd Command to run
* @param flag Execution flags (CMD_FLAG_...)
* @return 0 (not repeatable) or 1 (repeatable) on success, -1 on error.
*/
int run_command_repeatable(const char *cmd, int flag)
{
#ifndef CONFIG_SYS_HUSH_PARSER
return cli_simple_run_command(cmd, flag);
#else
/*
* parse_string_outer() returns 1 for failure, so clean up
* its result.
*/
if (parse_string_outer(cmd,
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP))
return -1;
return 0;
#endif
}
int run_command_list(const char *cmd, int len, int flag)
{
int need_buff = 1;

1
include/common.h
View file

@ -271,6 +271,7 @@ int print_buffer(ulong addr, const void *data, uint width, uint count,
/* common/main.c */
void main_loop (void);
int run_command(const char *cmd, int flag);
int run_command_repeatable(const char *cmd, int flag);
/**
* Run a list of commands separated by ; or even \0