On 10/26/2013 05:14 PM, Simon Glass wrote:
> Allow parser selection to make use of autoconf instead of #ifdefs.
>
> Signed-off-by: Simon Glass <s...@chromium.org>
> ---
> Changes in v4:
> - Rebase on current master
>
> Changes in v3: None
> Changes in v2: None
>
> common/main.c | 87
> +++++++++++++++++++++++++++-------------------------------
> include/hush.h | 2 --
> 2 files changed, 41 insertions(+), 48 deletions(-)
>
> diff --git a/common/main.c b/common/main.c
> index b744234..060da11 100644
> --- a/common/main.c
> +++ b/common/main.c
> @@ -366,12 +366,10 @@ static void process_boot_delay(void)
>
> void main_loop(void)
> {
> -#ifndef CONFIG_SYS_HUSH_PARSER
> static char lastcommand[CONFIG_SYS_CBSIZE] = { 0, };
> int len;
> int rc = 1;
> int flag;
> -#endif
> #ifdef CONFIG_PREBOOT
> char *p;
> #endif
> @@ -428,12 +426,11 @@ void main_loop(void)
> /*
> * Main Loop for Monitor Command Processing
> */
> -#ifdef CONFIG_SYS_HUSH_PARSER
> - parse_file_outer();
> - /* This point is never reached */
> - for (;;);
> -#else
> - for (;;) {
> + if (autoconf_sys_hush_parser()) {
> + parse_file_outer();
> + /* This point is never reached */
> + for (;;);
> + } else {
> if (autoconf_boot_retry_time() && rc >= 0) {
> /* Saw enough of a valid command to
> * restart the timeout.
> @@ -468,7 +465,6 @@ void main_loop(void)
> lastcommand[0] = 0;
> }
> }
> -#endif /*CONFIG_SYS_HUSH_PARSER*/
> }
>
> /*
> @@ -1158,7 +1154,6 @@ int parse_line (char *line, char *argv[])
>
>
> /****************************************************************************/
>
> -#ifndef CONFIG_SYS_HUSH_PARSER
> static void process_macros (const char *input, char *output)
> {
> char c, prev;
> @@ -1366,7 +1361,6 @@ static int builtin_run_command(const char *cmd, int
> flag)
>
> return rc ? rc : repeatable;
> }
> -#endif
>
> /*
> * Run a command using the selected parser.
> @@ -1377,22 +1371,21 @@ static int builtin_run_command(const char *cmd, int
> flag)
> */
> int run_command(const char *cmd, int flag)
> {
> -#ifndef CONFIG_SYS_HUSH_PARSER
> - /*
> - * builtin_run_command can return 0 or 1 for success, so clean up
> - * its result.
> - */
> - if (builtin_run_command(cmd, flag) == -1)
> - return 1;
> -
> - return 0;
> -#else
> - return parse_string_outer(cmd,
> + if (autoconf_sys_hush_parser()) {
> + return parse_string_outer(cmd,
> FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
> -#endif
> + } else {
> + /*
> + * builtin_run_command can return 0 or 1 for success, so
> + * clean up its result.
> + */
same here.
> + if (builtin_run_command(cmd, flag) == -1)
> + return 1;
> +
> + return 0;
> + }
> }
>
> -#ifndef CONFIG_SYS_HUSH_PARSER
> /**
> * Execute a list of command separated by ; or \n using the built-in parser.
> *
> @@ -1433,7 +1426,6 @@ static int builtin_run_command_list(char *cmd, int flag)
>
> return rcode;
> }
> -#endif
>
> int run_command_list(const char *cmd, int len, int flag)
> {
> @@ -1443,13 +1435,16 @@ int run_command_list(const char *cmd, int len, int
> flag)
>
> if (len == -1) {
> len = strlen(cmd);
> -#ifdef CONFIG_SYS_HUSH_PARSER
> - /* hush will never change our string */
> - need_buff = 0;
> -#else
> - /* the built-in parser will change our string if it sees \n */
> - need_buff = strchr(cmd, '\n') != NULL;
> -#endif
> + if (autoconf_sys_hush_parser()) {
> + /* hush will never change our string */
> + need_buff = 0;
> + } else {
> + /*
> + * the built-in parser will change our string if it
> + * sees \n
> + */
> + need_buff = strchr(cmd, '\n') != NULL;
> + }
> }
> if (need_buff) {
> buff = malloc(len + 1);
> @@ -1458,20 +1453,20 @@ int run_command_list(const char *cmd, int len, int
> flag)
> memcpy(buff, cmd, len);
> buff[len] = '\0';
> }
> -#ifdef CONFIG_SYS_HUSH_PARSER
> - rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON);
> -#else
> - /*
> - * This function will overwrite any \n it sees with a \0, which
> - * is why it can't work with a const char *. Here we are making
> - * using of internal knowledge of this function, to avoid always
> - * doing a malloc() which is actually required only in a case that
> - * is pretty rare.
> - */
> - rcode = builtin_run_command_list(buff, flag);
> - if (need_buff)
> - free(buff);
> -#endif
> + if (autoconf_sys_hush_parser()) {
> + rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON);
> + } else {
> + /*
> + * This function will overwrite any \n it sees with a \0, which
> + * is why it can't work with a const char *. Here we are making
> + * using of internal knowledge of this function, to avoid always
> + * doing a malloc() which is actually required only in a case
> + * that is pretty rare.
> + */
here too.
M
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
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