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Implement !- and !-* commands to clear command history

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This commit is contained in:
pancake 2017-06-14 17:31:57 +02:00
parent fe6372339d
commit cd33acbd51
3 changed files with 16 additions and 2 deletions
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8
libr/cons/dietline.c
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@ -80,7 +80,7 @@ static int r_line_readchar_utf8(unsigned char *s, int slen) {
}
s[len] = r_cons_controlz (s[len]);
if (!s[len]) {
return 1; // ^z
return 1; // ^z
}
if (s[len] < 28) {
return s[0]? 1: 0;
@ -100,8 +100,9 @@ static int r_line_readchar_utf8(unsigned char *s, int slen) {
return len;
}
#endif
#if __WINDOWS__ && !__CYGWIN__
static int r_line_readchar_win(int *vch) { // this function handle the input in console mode
static int r_line_readchar_win(int *vch) { // this function handle the input in console mode
INPUT_RECORD irInBuf[128];
BOOL ret, bCtrl = FALSE;
DWORD mode, out;
@ -351,6 +352,9 @@ R_API int r_line_hist_load(const char *file) {
R_API int r_line_hist_save(const char *file) {
FILE *fd;
int i, ret = false;
if (!file || !*file) {
return false;
}
char *p, *path = r_str_home (file);
if (path != NULL) {
p = (char *) r_str_lastbut (path, R_SYS_DIR[0], NULL); // TODO: use fs

8
libr/core/cmd.c
View file

@ -1135,6 +1135,14 @@ static int cmd_system(void *data, const char *input) {
ut64 n;
int ret = 0;
switch (*input) {
case '-':
if (input[1]) {
r_line_hist_free();
r_line_hist_save (R2_HOMEDIR"/history");
} else {
r_line_hist_free();
}
break;
case '=':
if (input[1] == '?') {
r_cons_printf ("Usage: !=[!] - enable/disable remote commands\n");

2
libr/core/file.c
View file

@ -184,6 +184,8 @@ R_API void r_core_sysenv_help(const RCore *core) {
"!!", "ls~txt", "print output of 'ls' and grep for 'txt'",
".!", "rabin2 -rpsei ${FILE}", "run each output line as a r2 cmd",
"!", "echo $SIZE", "display file size",
"!-", "", "clear history in current session",
"!-*", "", "clear and save empty history log",
"!=!", "", "enable remotecmd mode",
"=!=", "", "disable remotecmd mode",
"\nEnvironment:", "", "",