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Shell: Add "history" command that shows command history.

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This commit is contained in:
Andreas Kling 2019-05-07 01:43:21 +02:00
parent ba7364b43b
commit 16a5a76445
1 changed files with 13 additions and 1 deletions
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14
Shell/main.cpp
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@ -19,6 +19,7 @@
//#define SH_DEBUG //#define SH_DEBUG
GlobalState g; GlobalState g;
static LineEditor editor;
static void prompt() static void prompt()
{ {
@ -112,6 +113,14 @@ static int sh_cd(int argc, char** argv)
return 0; return 0;
} }
static int sh_history(int, char**)
{
for (int i = 0; i < editor.history().size(); ++i) {
printf("%6d %s\n", i, editor.history()[i].characters());
}
return 0;
}
static bool handle_builtin(int argc, char** argv, int& retval) static bool handle_builtin(int argc, char** argv, int& retval)
{ {
if (argc == 0) if (argc == 0)
@ -132,6 +141,10 @@ static bool handle_builtin(int argc, char** argv, int& retval)
retval = sh_export(argc, argv); retval = sh_export(argc, argv);
return true; return true;
} }
if (!strcmp(argv[0], "history")) {
retval = sh_history(argc, argv);
return true;
}
return false; return false;
} }
@ -387,7 +400,6 @@ int main(int argc, char** argv)
free(cwd); free(cwd);
} }
LineEditor editor;
for (;;) { for (;;) {
prompt(); prompt();
auto line = editor.get_line(); auto line = editor.get_line();