修复tty设备清屏BUG

apps/libs/libc.c

@@ -535,6 +535,12 @@ int filesize(const char* filename){
 
 int fputc(int ch, FILE *stream) {
     if (CANWRITE(stream->mode)) {
+
+        if(strcmp("<stdout>",stream->name)||strcmp("<stderr>",stream->name)){
+            syscall_putchar(ch);
+            return 0;
+        }
+
         //		printk("Current Buffer=%s\n",stream->buffer);
         if (stream->p >= stream->bufferSize) {
             //	printk("Realloc....(%d,%d)\n",stream->p,stream->bufferSize);
@@ -632,6 +638,10 @@ FILE *fopen(char *filename, char *mode) {
 
 int fgetc(FILE *stream) {
     if (CANREAD(stream->mode)) {
+        if(strcmp("<stdin>",stream->name)) {
+            return getc();
+        }
+
         if (stream->p >= stream->fileSize) {
             return EOF;
         } else {
@@ -698,6 +708,12 @@ char *fgets(char *str, int n, FILE *stream) {
 
 int fputs(const char *str, FILE *stream) {
     if (CANWRITE(stream->mode)) {
+
+        if(strcmp("<stdout>",stream->name)||strcmp("<stderr>",stream->name)){
+            syscall_print(str);
+            return 0;
+        }
+
         for (int i = 0; i < strlen(str); i++) {
             fputc(str[i], stream);
         }
@@ -713,7 +729,9 @@ int fprintf(FILE *stream, const char *format, ...) {
         va_start(ap, format);
         char *buf = malloc(1024);
         len = vsprintf(buf, format, ap);
-        fputs(buf, stream);
+        if(strcmp("<stdout>",stream->name)||strcmp("<stderr>",stream->name)){
+            syscall_print(buf);
+        } else fputs(buf, stream);
         free(buf);
         va_end(ap);
         return len;

apps/lua/lua/lua.h

@@ -23,7 +23,7 @@
 #define LUA_VERSION_NUM			504
 #define LUA_VERSION_RELEASE_NUM		(LUA_VERSION_NUM * 100 + 4)
 
-#define LUA_VERSION	"CoolPotOS Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
+#define LUA_VERSION	"Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
 #define LUA_RELEASE	LUA_VERSION "." LUA_VERSION_RELEASE
 #define LUA_COPYRIGHT	LUA_RELEASE "  Copyright (C) 1994-2022 Lua.org, PUC-Rio"
 #define LUA_AUTHORS	"R. Ierusalimschy, L. H. de Figueiredo, W. Celes"

apps/lua/lua/m.c

@@ -121,7 +121,7 @@
 
 
 #if !defined(LUA_PROGNAME)
-#define LUA_PROGNAME        "lua"
+#define LUA_PROGNAME        "lua.elf"
 #endif
 
 #if !defined(LUA_INIT_VAR)
@@ -149,11 +149,14 @@ static void laction(int i) {
 
 
 static void print_usage(const char *badoption) {
-    lua_writestringerror("%s: ", progname);
+    if(badoption[0] != '+'){
-    if (badoption[1] == 'e' || badoption[1] == 'l')
+        lua_writestringerror("%s: ", progname);
-        lua_writestringerror("'%s' needs argument\n", badoption);
+        if (badoption[1] == 'e' || badoption[1] == 'l')
-    else
+            lua_writestringerror("'%s' needs argument\n", badoption);
-        lua_writestringerror("unrecognized option '%s'\n", badoption);
+        else
+            lua_writestringerror("unrecognized option '%s'\n", badoption);
+    }
+
     lua_writestringerror(
             "usage: %s [options] [script [args]]\n"
             "Available options are:\n"
@@ -333,6 +336,7 @@ static int handle_script(lua_State *L, char **argv) {
 #define has_v        4    /* -v */
 #define has_e        8    /* -e */
 #define has_E        16    /* -E */
+#define has_h        32   /* -h */
 
 
 /*
@@ -380,6 +384,11 @@ static int collectargs(char **argv, int *first) {
                     return has_error;  /* invalid option */
                 args |= has_v;
                 break;
+            case 'h':
+                if (argv[i][2] != '\0')  /* extra characters? */
+                    return has_error;  /* invalid option */
+                args |= has_h;
+                break;
             case 'e':
                 args |= has_e;  /* FALLTHROUGH */
             case 'l':  /* both options need an argument */
@@ -858,6 +867,10 @@ static int pmain(lua_State *L) {
     char **argv = (char **) lua_touserdata(L, 2);
     int script;
 
+    if(argc == 1){
+        print_usage("+");
+        return 0;
+    }
 
     int args = collectargs(argv, &script);
     int optlim = (script > 0) ? script : argc; /* first argv not an option */
@@ -866,6 +879,9 @@ static int pmain(lua_State *L) {
         print_usage(argv[script]);  /* 'script' has index of bad arg. */
         return 0;
     }
+    if(args & has_h){
+        print_usage("<null>");
+    }
     if (args & has_v)  /* option '-v'? */
         print_version();
     if (args & has_E) {  /* option '-E'? */
@@ -875,8 +891,8 @@ static int pmain(lua_State *L) {
     // printf("In this2\n");
     luaopen_base(L);
     luaL_setfuncs(L, my_lib_bsp, 0);
-    luaL_requiref(L, "pio", open_io, 1);
+    luaL_requiref(L, "cpio", open_io, 1);
-    luaL_requiref(L, "pl_api", open_os, 1);
+    luaL_requiref(L, "cp_api", open_os, 1);
     luaL_openlibs(L);  /* open standard libraries */
     createargtable(L, argv, argc, script);  /* create table 'arg' */
     lua_gc(L, LUA_GCGEN, 0, 0);  /* GC in generational mode */

src/kernel/tty.c

@@ -393,7 +393,7 @@ void init_default_tty(struct task_struct *task){
 
     task->tty->is_using = true;
     task->tty->print = tty_print;
-    task->tty->clear = clear_TextMode;
+    task->tty->clear = vbe_clear;
     task->tty->putchar = vbe_putchar;
     task->tty->gotoxy = tty_gotoxy;
     task->tty->screen_ne = screen_ne_TextMode;

src/util/printf.c

@@ -312,6 +312,7 @@ void screen_clear(){
         return;
     }
 
+
     if(vbe_status){
         vbe_clear();
     } else vga_clear();