Remove duplicate lines_i, finally fix leak (issue #271)

This commit is contained in:
Bart van Strien
2011-08-06 16:51:33 +02:00
parent fdc56e7e73
commit eae6c0ff85
3 changed files with 4 additions and 84 deletions
+1 -1
View File
@@ -445,7 +445,7 @@ namespace physfs
lua_pop(L, 1);
luax_newtype(L, "File", FILESYSTEM_FILE_T, file, false);
lua_pushboolean(L, 1); // 1 = autoclose.
lua_pushnumber(L, 1); // 1 = autoclose.
}
else
return luaL_error(L, "Expected filename.");
+2 -82
View File
@@ -162,7 +162,7 @@ namespace physfs
if(luax_istype(L, 1, FILESYSTEM_FILE_T))
{
file = luax_checktype<File>(L, 1, "File", FILESYSTEM_FILE_T);
lua_pushboolean(L, 0); // 0 = do not close.
lua_pushnumber(L, 0); // 0 = do not close.
}
else
return luaL_error(L, "Expected file handle.");
@@ -171,90 +171,10 @@ namespace physfs
if(!file->seek(0))
return luaL_error(L, "File does not appear to be open.\n");
lua_pushcclosure(L, lines_i, 2);
lua_pushcclosure(L, Filesystem::lines_i, 2);
return 1;
}
int lines_i(lua_State * L)
{
// We're using a 1k buffer.
const static int bufsize = 1024;
static char buf[bufsize];
File * file = luax_checktype<File>(L, lua_upvalueindex(1), "File", FILESYSTEM_FILE_T);
int close = (int)lua_tointeger(L, lua_upvalueindex(2));
// Find the next newline.
// pos must be at the start of the line we're trying to find.
int pos = file->tell();
int newline = -1;
int totalread = 0;
while(!file->eof())
{
int current = file->tell();
int read = file->read(buf, bufsize);
totalread += read;
if(read < 0)
return luaL_error(L, "Readline failed!");
for(int i = 0;i<read;i++)
{
if(buf[i] == '\n')
{
newline = current+i;
break;
}
}
if(newline > 0)
break;
}
// Special case for the last "line".
if(newline <= 0 && file->eof() && totalread > 0)
newline = pos + totalread;
// We've got a newline.
if(newline > 0)
{
// Ok, we've got a line.
int linesize = (newline-pos);
// Allocate memory for the string.
char * str = new char[linesize];
// Read it.
file->seek(pos);
if(file->read(str, linesize) == -1)
return luaL_error(L, "Read error.");
if(str[linesize-1]=='\r')
linesize -= 1;
lua_pushlstring(L, str, linesize);
// Free the memory. Lua has a copy now.
delete[] str;
// Set the beginning of the next line.
if(!file->eof())
file->seek(newline+1);
return 1;
}
if(close)
{
file->close();
file->release();
}
// else: (newline <= 0)
return 0;
}
static const luaL_Reg functions[] = {
{ "getSize", w_File_getSize },
{ "open", w_File_open },
+1 -1
View File
@@ -23,6 +23,7 @@
// LOVE
#include <common/runtime.h>
#include "Filesystem.h"
#include "File.h"
namespace love
@@ -41,7 +42,6 @@ namespace physfs
int w_File_tell(lua_State * L);
int w_File_seek(lua_State * L);
int w_File_lines(lua_State * L);
int lines_i(lua_State * L);
int luaopen_file(lua_State * L);
} // physfs
} // filesystem