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- fixed more memory leaks found in texture readers

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This commit is contained in:
Mark Vejvoda 2010-09-07 21:53:45 +00:00
parent 958184e018
commit 4ed2e4b013
2 changed files with 10 additions and 5 deletions
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11
source/shared_lib/sources/graphics/PNGReader.cpp
View File

@ -60,24 +60,28 @@ Pixmap2D* PNGReader::read(ifstream& is, const string& path, Pixmap2D* ret) const
is.seekg(0, ios::end);
size_t length = is.tellg();
is.seekg(0, ios::beg);
uint8 * buffer = new uint8[8];
uint8 *buffer = new uint8[8];
is.read((char*)buffer, 8);
if (png_sig_cmp(buffer, 0, 8) != 0) {
delete [] buffer;
return NULL; //This is not a PNG file - could be used for fast checking whether file is supported or not
}
png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr) {
delete [] buffer;
return NULL;
}
png_infop info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_read_struct(&png_ptr, (png_infopp)NULL,(png_infopp)NULL);
delete [] buffer;
return NULL;
}
if (setjmp(png_jmpbuf(png_ptr))) {
png_destroy_read_struct(&png_ptr, &info_ptr,(png_infopp)NULL);
png_destroy_read_struct(&png_ptr, &info_ptr,(png_infopp)NULL);
delete [] buffer;
return NULL; //Error during init_io
}
png_set_read_fn(png_ptr, &is, user_read_data);
@ -104,6 +108,7 @@ Pixmap2D* PNGReader::read(ifstream& is, const string& path, Pixmap2D* ret) const
if (setjmp(png_jmpbuf(png_ptr))) {
delete[] row_pointers;
delete [] buffer;
return NULL; //error during read_image
}
for (int y = 0; y < height; ++y) {
@ -177,6 +182,8 @@ Pixmap2D* PNGReader::read(ifstream& is, const string& path, Pixmap2D* ret) const
png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
delete [] buffer;
return ret;
}

4
source/shared_lib/sources/graphics/TGAReader.cpp
View File

@ -53,9 +53,7 @@ static const int tgaUncompressedBw= 3;
/**Get Extension array, initialised*/
static inline const string* getExtensionStrings() {
static string * extensions = new string[2];
extensions[0] = "tga";
extensions[1] = "";
static const string extensions[] = {"tga", ""};
return extensions;
}