diff options
author | Francis Laniel | 2023-12-22 22:02:35 +0100 |
---|---|---|
committer | Tom Rini | 2023-12-28 12:02:56 -0500 |
commit | 3ea3c57ef5c5853f54714a3df8b0d406e8d4dd1c (patch) | |
tree | fdf086ba4577ceb7d63548788da2ef5935e4cc49 /common/cli.c | |
parent | 3b13faf9f3dc59c998c31d8a4077b7906f7f965d (diff) |
cli: add modern hush as parser for run_command*()
Enables using, in code, modern hush as parser for run_command function family.
It also enables the command run to be used by CLI user of modern hush.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Francis Laniel <francis.laniel@amarulasolutions.com>
Diffstat (limited to 'common/cli.c')
-rw-r--r-- | common/cli.c | 67 |
1 files changed, 50 insertions, 17 deletions
diff --git a/common/cli.c b/common/cli.c index b3eb512b623..a34938294ec 100644 --- a/common/cli.c +++ b/common/cli.c @@ -25,6 +25,14 @@ #include <linux/errno.h> #ifdef CONFIG_CMDLINE + +static inline bool use_hush_old(void) +{ + return IS_ENABLED(CONFIG_HUSH_SELECTABLE) ? + gd->flags & GD_FLG_HUSH_OLD_PARSER : + IS_ENABLED(CONFIG_HUSH_OLD_PARSER); +} + /* * Run a command using the selected parser. * @@ -43,15 +51,30 @@ int run_command(const char *cmd, int flag) return 1; return 0; -#elif CONFIG_IS_ENABLED(HUSH_OLD_PARSER) - int hush_flags = FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP; - - if (flag & CMD_FLAG_ENV) - hush_flags |= FLAG_CONT_ON_NEWLINE; - return parse_string_outer(cmd, hush_flags); -#else /* HUSH_MODERN_PARSER */ - /* Not yet implemented. */ - return 1; +#else + if (use_hush_old()) { + int hush_flags = FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP; + + if (flag & CMD_FLAG_ENV) + hush_flags |= FLAG_CONT_ON_NEWLINE; + return parse_string_outer(cmd, hush_flags); + } + /* + * Possible values for flags are the following: + * FLAG_EXIT_FROM_LOOP: This flags ensures we exit from loop in + * parse_and_run_stream() after first iteration while normal + * behavior, * i.e. when called from cli_loop(), is to loop + * infinitely. + * FLAG_PARSE_SEMICOLON: modern Hush parses ';' and does not stop + * first time it sees one. So, I think we do not need this flag. + * FLAG_REPARSING: For the moment, I do not understand the goal + * of this flag. + * FLAG_CONT_ON_NEWLINE: This flag seems to be used to continue + * parsing even when reading '\n' when coming from + * run_command(). In this case, modern Hush reads until it finds + * '\0'. So, I think we do not need this flag. + */ + return parse_string_outer_modern(cmd, FLAG_EXIT_FROM_LOOP); #endif } @@ -67,12 +90,23 @@ int run_command_repeatable(const char *cmd, int flag) #ifndef CONFIG_HUSH_PARSER return cli_simple_run_command(cmd, flag); #else + int ret; + + if (use_hush_old()) { + ret = parse_string_outer(cmd, + FLAG_PARSE_SEMICOLON + | FLAG_EXIT_FROM_LOOP); + } else { + ret = parse_string_outer_modern(cmd, + FLAG_PARSE_SEMICOLON + | FLAG_EXIT_FROM_LOOP); + } + /* * parse_string_outer() returns 1 for failure, so clean up * its result. */ - if (parse_string_outer(cmd, - FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP)) + if (ret) return -1; return 0; @@ -111,12 +145,11 @@ int run_command_list(const char *cmd, int len, int flag) buff[len] = '\0'; } #ifdef CONFIG_HUSH_PARSER -#if CONFIG_IS_ENABLED(HUSH_OLD_PARSER) - rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON); -#else /* HUSH_MODERN_PARSER */ - /* Not yet implemented. */ - rcode = 1; -#endif + if (use_hush_old()) { + rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON); + } else { + rcode = parse_string_outer_modern(buff, FLAG_PARSE_SEMICOLON); + } #else /* * This function will overwrite any \n it sees with a \0, which |