diff options
| -rw-r--r-- | include/libbb.h | 3 | ||||
| -rw-r--r-- | libbb/lineedit.c | 16 | ||||
| -rw-r--r-- | shell/ash.c | 15 | ||||
| -rw-r--r-- | shell/hush.c | 14 |
4 files changed, 45 insertions, 3 deletions
diff --git a/include/libbb.h b/include/libbb.h index 6dd4d7c..b5d1156 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1436,7 +1436,7 @@ void read_key_ungets(char *buffer, const char *str, unsigned len) FAST_FUNC; /* It's NOT just ENABLEd or disabled. It's a number: */ # if defined CONFIG_FEATURE_EDITING_HISTORY && CONFIG_FEATURE_EDITING_HISTORY > 0 # define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0) -unsigned size_from_HISTFILESIZE(const char *hp); +unsigned size_from_HISTFILESIZE(const char *hp) FAST_FUNC; # else # define MAX_HISTORY 0 # endif @@ -1478,6 +1478,7 @@ line_input_t *new_line_input_t(int flags) FAST_FUNC; * >0 length of input string, including terminating '\n' */ int read_line_input(line_input_t *st, const char *prompt, char *command, int maxsize, int timeout) FAST_FUNC; +void show_history(const line_input_t *st) FAST_FUNC; # if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT void save_history(line_input_t *st); # endif diff --git a/libbb/lineedit.c b/libbb/lineedit.c index 93ab864..1313dd5 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -1254,7 +1254,7 @@ line_input_t* FAST_FUNC new_line_input_t(int flags) #if MAX_HISTORY > 0 -unsigned size_from_HISTFILESIZE(const char *hp) +unsigned FAST_FUNC size_from_HISTFILESIZE(const char *hp) { int size = MAX_HISTORY; if (hp) { @@ -1309,6 +1309,17 @@ static int get_next_history(void) return 0; } +/* Lists command history. Used by shell 'history' builtins */ +void FAST_FUNC show_history(const line_input_t *st) +{ + int i; + + if (!st) + return; + for (i = 0; i < st->cnt_history; i++) + printf("%4d %s\n", i, st->history[i]); +} + # if ENABLE_FEATURE_EDITING_SAVEHISTORY /* We try to ensure that concurrent additions to the history * do not overwrite each other. @@ -2749,8 +2760,9 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman free(command_ps); #endif - if (command_len > 0) + if (command_len > 0) { remember_in_history(command); + } if (break_out > 0) { command[command_len++] = '\n'; diff --git a/shell/ash.c b/shell/ash.c index edcb7c0..6af14f5 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -9033,6 +9033,9 @@ static int getoptscmd(int, char **) FAST_FUNC; #if !ENABLE_FEATURE_SH_EXTRA_QUIET static int helpcmd(int, char **) FAST_FUNC; #endif +#if MAX_HISTORY +static int historycmd(int, char **) FAST_FUNC; +#endif #if ENABLE_SH_MATH_SUPPORT static int letcmd(int, char **) FAST_FUNC; #endif @@ -9106,6 +9109,9 @@ static const struct builtincmd builtintab[] = { #if !ENABLE_FEATURE_SH_EXTRA_QUIET { BUILTIN_NOSPEC "help" , helpcmd }, #endif +#if MAX_HISTORY + { BUILTIN_NOSPEC "history" , historycmd }, +#endif #if JOBS { BUILTIN_REGULAR "jobs" , jobscmd }, { BUILTIN_REGULAR "kill" , killcmd }, @@ -12621,6 +12627,15 @@ helpcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) } #endif /* FEATURE_SH_EXTRA_QUIET */ +#if MAX_HISTORY +static int FAST_FUNC +historycmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) +{ + show_history(line_input_state); + return EXIT_SUCCESS; +} +#endif + /* * The export and readonly commands. */ diff --git a/shell/hush.c b/shell/hush.c index 1d421dc..7cebe17 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -850,6 +850,9 @@ static int builtin_jobs(char **argv) FAST_FUNC; #if ENABLE_HUSH_HELP static int builtin_help(char **argv) FAST_FUNC; #endif +#if MAX_HISTORY +static int builtin_history(char **argv) FAST_FUNC; +#endif #if ENABLE_HUSH_LOCAL static int builtin_local(char **argv) FAST_FUNC; #endif @@ -919,6 +922,9 @@ static const struct built_in_command bltins1[] = { #if ENABLE_HUSH_HELP BLTIN("help" , builtin_help , NULL), #endif +#if MAX_HISTORY + BLTIN("history" , builtin_history , "Show command history"), +#endif #if ENABLE_HUSH_JOB BLTIN("jobs" , builtin_jobs , "List jobs"), #endif @@ -8627,6 +8633,14 @@ static int FAST_FUNC builtin_help(char **argv UNUSED_PARAM) } #endif +#if MAX_HISTORY +static int FAST_FUNC builtin_history(char **argv UNUSED_PARAM) +{ + show_history(G.line_input_state); + return EXIT_SUCCESS; +} +#endif + #if ENABLE_HUSH_JOB static int FAST_FUNC builtin_jobs(char **argv UNUSED_PARAM) { |