better cp, 64-bit fileops

git-svn-id: svn://kolibrios.org@6857 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/system/shell/cmd/cmd_cp.c

@@ -3,19 +3,18 @@ int cmd_cp(char param[])
 {
 
 char* argv[100];
-int i;
 int argc;
-char *filename_in;
-char *filename_out;
-char *buffer;
+char *filename_in = NULL;
+char *filename_out = NULL;
+char *buffer = NULL;
 
 kol_struct70	k70_in;
 kol_struct70	k70_out;
 
 kol_struct_BDVK	bdvk;
 
-unsigned filesize, result;
-unsigned n; // ª®«¨ç¥á⢮ à § ª®¯¨à®¢ ­¨ï ¯® 4 ª¡ ©â 
+unsigned long long filesize;
+unsigned result, buf_size;
 
 argc = parameters_prepare(param, argv);
 
@@ -58,110 +57,88 @@ if (argv[1][0] != '/')
    {
    strcpy(filename_out, argv[1]);
    }
+   
+// add ability to use directory as destination
+if ( dir_check(filename_out) )
+	{
+		char *fname = strrchr(filename_in, '/') + 1;  // always exist, as we add curdir
+		if (filename_out[strlen(filename_out)-1] != '/')
+			strcat(filename_out, "/"); // add slash
+		strcat(filename_out, fname);
+	}
 
 
 k70_in.p00 = 5;
-k70_in.p04 = k70_in.p08 = k70_in.p12 = 0;
+k70_in.p04 = 0LL;
+k70_in.p12 = 0;
 k70_in.p16 = (unsigned) &bdvk;
 k70_in.p20 = 0;
 k70_in.p21 = filename_in;
 
 result = kol_file_70(&k70_in); // ¯®«ãç ¥¬ ¨­ä®à¬ æ¨î ® ä ©«¥
 if ( 0 != result )
-       {
-       parameters_free(argc, argv);
-       free(filename_in);
-       free(filename_out);
-       return TRUE;
-       }
+	goto lbl_exit;
 
-filesize = bdvk.p32[0]; // ¯®«ãç ¥¬ à §¬¥à ä ©«   (®£à ­¨ç¥­¨¥ - 4 ƒ¡ ©â )
-n = filesize / 4096;
+// count buffer size up to 1Mb, but no more than 1/2 of free memory
+buf_size = 1 << 20; // 1Mb
+while( ((buf_size >> 10) > kol_system_memfree()) && (buf_size > 4096) )
+	buf_size /= 2;
 
-buffer = (char*) malloc(4096);
+filesize = bdvk.p32; // ¯®«ãç ¥¬ à §¬¥à ä ©« (®£à ­¨ç¥­¨¥ - 4 ƒ¡ ©â  ⮫쪮 ¤«ï FAT)
+if (buf_size > filesize)
+	buf_size = (unsigned)filesize;	// may be zero!
+if (buf_size == 0) buf_size = 4096;	// ...
+
+buffer = (char*) malloc(buf_size);
+if (!buffer)
+	{
+		result = E_NOMEM;
+		goto lbl_exit;
+	}
 
 k70_in.p00 = 0;
-k70_in.p08 = 0;
-k70_in.p12 = 4096;
+//k70_in.p08 = 0;
+k70_in.p12 = buf_size;
 k70_in.p16 = (unsigned) buffer;
 k70_in.p20 = 0;
 k70_in.p21 = filename_in;
 
 k70_out.p00 = 2;
-k70_out.p08 = 0;
-k70_out.p12 = 4096;
+//k70_out.p08 = 0;
+k70_out.p12 = buf_size;
 k70_out.p16 = (unsigned) buffer;
 k70_out.p20 = 0;
 k70_out.p21 = filename_out;
 
-i = 0; // ¤«ï ⮣®, çâ®¡ë ª®¯¨à®¢ âì ä ©«ë á à §¬¥à®¬ ¬¥­ìè¥ 4 ª<> ©â
-for ( i = 0; i < n; i++)
-    {
-
-    k70_in.p04 = i*4096;
+unsigned long long offset = 0;
+do {
+    k70_in.p04 = offset;
+    if (offset + buf_size > filesize)  // last chunk
+		{
+		k70_in.p12 = k70_out.p12 = (unsigned)(filesize - offset); // filesize % buf_size;
+		}
+    
     result = kol_file_70(&k70_in); // ç⥭¨¥
     if (result != 0)
-       {
-       parameters_free(argc, argv);
-       free(filename_in);
-       free(filename_out);
-       free(buffer);
-       return FALSE;
-       }
+		goto lbl_exit;
 
-    k70_out.p04 = i*4096;
+    k70_out.p04 = offset;
     result = kol_file_70(&k70_out); // § ¯¨áì
     if (result != 0)
-       {
-       parameters_free(argc, argv);
-       free(filename_in);
-       free(filename_out);
-       free(buffer);
-       return FALSE;
-       }
+		goto lbl_exit;
 
-    if (i == 0)
+    if (k70_out.p00 == 2)
        k70_out.p00 = 3; // ¬¥­ï¥¬ äã­ªæ¨î á ᮧ¤ ­¨ï (2) ­  ¤®§ ¯¨áì (3)
+	offset += buf_size;
+} while (offset < filesize);
 
-    }
-
-if ( (filesize%4096) != 0 ) // ¥á«¨ à §¬¥à ä ©«  ­¥ ªà â¥­ 4 ª<> ©â ¬
-   {
-
-   k70_in.p12  = filesize%4096;
-   k70_out.p12 = filesize%4096;
-
-   k70_in.p04 = i*4096; // ¢ i ¤®«¦­® ¡ëâì ¯à ¢¨«ì­®¥ ᬥ饭¨¥
-   result = kol_file_70(&k70_in); // ç⥭¨¥
-   if (result != 0)
-       {
-       parameters_free(argc, argv);
-       free(filename_in);
-       free(filename_out);
-       free(buffer);
-       return FALSE;
-       }
-
-    k70_out.p04 = i*4096;
-    result = kol_file_70(&k70_out); // § ¯¨áì
-    if (result != 0)
-       {
-       parameters_free(argc, argv);
-       free(filename_in);
-       free(filename_out);
-       free(buffer);
-       return FALSE;
-       }
-
-   }
-
+lbl_exit:
 
 parameters_free(argc, argv);
 free(filename_in);
 free(filename_out);
 free(buffer);
 
-
-return TRUE;
+return (result == 0);
 }
 

programs/system/shell/cmd/cmd_ls.c

@@ -12,8 +12,8 @@ int		i, result;
 
 k70.p00 = 1;
 k70.p04 = 0;
-k70.p08 = 0;
-k70.p12 = 10000; 
+//k70.p08 = 0;
+k70.p12 = 2;  // just for test exist & read number of entries
 k70.p16 =  (unsigned) malloc(32+k70.p12*560);
 k70.p20 = 0;
 
@@ -34,6 +34,20 @@ if ( !((result==0) || (result==6)) ) //
 n =  (unsigned*) (k70.p16+8);
 num_of_file = *n; // ç¨á«® ä ©«®¢ ¢ ª â «®£¥
 
+// now read full directory
+k70.p12 = num_of_file;  
+free( (void*) k70.p16);
+k70.p16 =  (unsigned) malloc(32+k70.p12*560);
+if ( !k70.p16 )
+	return FALSE;
+	
+result = kol_file_70(&k70);
+if ( !((result==0) || (result==6)) ) 
+	{
+	free( (void*) k70.p16);
+	return FALSE;
+	}
+
 for (i = 0; i < num_of_file; i++)
 	{
 	printf ("  %s", k70.p16+32+40+(264+40)*i);

programs/system/shell/cmd/cmd_mkdir.c

@@ -24,7 +24,7 @@ if ( 0 == strcmp(dir, ".") || ( 0 == strcmp(dir, "..") ) || ( 0 == strcmp(cur_di
 
 k70.p00 = 9;
 k70.p04 = 0;
-k70.p08 = 0;
+//k70.p08 = 0;
 k70.p12 = 0;
 k70.p16 = 0;
 k70.p20 = 0;

programs/system/shell/cmd/cmd_more.c

@@ -4,7 +4,8 @@ int cmd_more(char file[])
 
 kol_struct70	k70;
 kol_struct_BDVK	bdvk;
-unsigned	result, filesize, pos, i;
+unsigned	result, i;
+unsigned long long filesize, pos;
 char		buf[81]; //¡ãä¥à
 char		temp[FILENAME_MAX];
 unsigned	flags;
@@ -44,7 +45,8 @@ else
 	}
 
 k70.p00 = 5;
-k70.p04 = k70.p08 = k70.p12 = 0;
+k70.p04 = k70.p12 = 0;
+//k70.p08 = 0;
 k70.p16 = (unsigned) &bdvk;
 k70.p20 = 0;
 k70.p21 = temp;
@@ -53,7 +55,7 @@ result = kol_file_70(&k70); //
 if ( 0 != result ) 
 	return FALSE;
 
-filesize = bdvk.p32[0]; // ¯®«ãç ¥¬ à §¬¥à ä ©« 
+filesize = bdvk.p32; // ¯®«ãç ¥¬ à §¬¥à ä ©« 
 
 buf[80]=0;
 flags = con_get_flags();
@@ -65,7 +67,7 @@ for (pos=0;pos<filesize;pos+=80)
 
 	k70.p00 = 0;
 	k70.p04 = pos;
-	k70.p08 = 0;
+//	k70.p08 = 0;   // bug for over 4Gb files, but "more" is unusable there
 	k70.p12 = 80;
 	k70.p16 = (unsigned) buf;
 	k70.p20 = 0;

programs/system/shell/cmd/cmd_rm.c

@@ -40,7 +40,7 @@ else
 
 k70.p00 = 8;
 k70.p04 = 0;
-k70.p08 = 0;
+//k70.p08 = 0;
 k70.p12 = 0;
 k70.p16 = 0;
 k70.p20 = 0;

programs/system/shell/cmd/cmd_rmdir.c

@@ -23,7 +23,7 @@ if ( ( 0 == strcmp(dir, ".") ) || ( 0 == strcmp(dir, "..") ) || ( 0 == strcmp(cu
 
 k70.p00 = 8;
 k70.p04 = 0;
-k70.p08 = 0;
+//k70.p08 = 0;
 k70.p12 = 0;
 k70.p16 = 0;
 k70.p20 = 0;

programs/system/shell/cmd/cmd_touch.c

@@ -43,7 +43,7 @@ else
 	}
 
 k70.p04 = 0;
-k70.p08 = 0;
+//k70.p08 = 0;
 k70.p12 = 0;
 k70.p16 = 0;
 k70.p20 = 0;