diff options
| -rw-r--r-- | include/libbb.h | 4 | ||||
| -rw-r--r-- | libbb/lineedit.c | 18 | ||||
| -rw-r--r-- | miscutils/bc.c | 37 | ||||
| -rw-r--r-- | shell/ash.c | 3 | ||||
| -rw-r--r-- | shell/hush.c | 3 |
5 files changed, 35 insertions, 30 deletions
diff --git a/include/libbb.h b/include/libbb.h index 1c3d905..cae5465 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1906,7 +1906,11 @@ enum { FOR_SHELL = DO_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION, }; line_input_t *new_line_input_t(int flags) FAST_FUNC; +#if ENABLE_FEATURE_EDITING_SAVEHISTORY void free_line_input_t(line_input_t *n) FAST_FUNC; +#else +# define free_line_input_t(n) free(n) +#endif /* * maxsize must be >= 2. * Returns: diff --git a/libbb/lineedit.c b/libbb/lineedit.c index c3b5738..b3e7aba 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -1417,15 +1417,19 @@ void FAST_FUNC show_history(const line_input_t *st) printf("%4d %s\n", i, st->history[i]); } +# if ENABLE_FEATURE_EDITING_SAVEHISTORY void FAST_FUNC free_line_input_t(line_input_t *n) { -# if ENABLE_FEATURE_EDITING_SAVEHISTORY - int i = n->cnt_history; - while (i > 0) - free(n->history[--i]); -#endif - free(n); + if (n) { + int i = n->cnt_history; + while (i > 0) + free(n->history[--i]); + free(n); + } } +# else +/* #defined to free() in libbb.h */ +# endif # if ENABLE_FEATURE_EDITING_SAVEHISTORY /* We try to ensure that concurrent additions to the history @@ -1506,7 +1510,7 @@ void save_history(line_input_t *st) { FILE *fp; - if (!st->hist_file) + if (!st || !st->hist_file) return; if (st->cnt_history <= st->cnt_history_in_file) return; diff --git a/miscutils/bc.c b/miscutils/bc.c index f339b89..1227e2d 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -2545,6 +2545,8 @@ static void xc_read_line(BcVec *vec, FILE *fp) # if ENABLE_FEATURE_EDITING if (G_ttyin && fp == stdin) { int n, i; + if (!G.line_input_state) + G.line_input_state = new_line_input_t(DO_HISTORY); # define line_buf bb_common_bufsiz1 n = read_line_input(G.line_input_state, "", line_buf, COMMON_BUFSIZE); if (n <= 0) { // read errors or EOF, or ^D, or ^C @@ -6872,22 +6874,6 @@ static BC_STATUS zxc_program_exec(void) } #define zxc_program_exec(...) (zxc_program_exec(__VA_ARGS__) COMMA_SUCCESS) -static unsigned xc_vm_envLen(const char *var) -{ - char *lenv; - unsigned len; - - lenv = getenv(var); - len = BC_NUM_PRINT_WIDTH; - if (!lenv) return len; - - len = bb_strtou(lenv, NULL, 10) - 1; - if (errno || len < 2 || len >= INT_MAX) - len = BC_NUM_PRINT_WIDTH; - - return len; -} - static BC_STATUS zxc_vm_process(const char *text) { BcStatus s; @@ -7377,12 +7363,25 @@ static void xc_program_init(void) bc_char_vec_init(&G.input_buffer); } +static unsigned xc_vm_envLen(const char *var) +{ + char *lenv; + unsigned len; + + lenv = getenv(var); + len = BC_NUM_PRINT_WIDTH; + if (!lenv) return len; + + len = bb_strtou(lenv, NULL, 10) - 1; + if (errno || len < 2 || len >= INT_MAX) + len = BC_NUM_PRINT_WIDTH; + + return len; +} + static int xc_vm_init(const char *env_len) { G.prog.len = xc_vm_envLen(env_len); -#if ENABLE_FEATURE_EDITING - G.line_input_state = new_line_input_t(DO_HISTORY); -#endif bc_vec_init(&G.files, sizeof(char *), NULL); xc_program_init(); diff --git a/shell/ash.c b/shell/ash.c index 87d329f..f4d2962 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -14177,8 +14177,7 @@ exitshell(void) char *p; #if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT - if (line_input_state) - save_history(line_input_state); + save_history(line_input_state); /* may be NULL */ #endif savestatus = exitstatus; TRACE(("pid %d, exitshell(%d)\n", getpid(), savestatus)); diff --git a/shell/hush.c b/shell/hush.c index a8f7237..f0f0da7 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -2056,8 +2056,7 @@ static sighandler_t pick_sighandler(unsigned sig) static void hush_exit(int exitcode) { #if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT - if (G.line_input_state) - save_history(G.line_input_state); + save_history(G.line_input_state); /* may be NULL */ #endif fflush_all(); |