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Use doomtype.h types instead of libpng types

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This commit is contained in:
Jaime Passos 2019-10-29 00:15:33 -03:00
parent 34f1dc20b1
commit 2e1ecda3fa
1 changed files with 18 additions and 17 deletions
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35
src/r_data.c
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@ -2802,22 +2802,23 @@ boolean R_IsLumpPNG(const UINT8 *d, size_t s)
#ifdef HAVE_PNG #ifdef HAVE_PNG
#if PNG_LIBPNG_VER_DLLNUM < 14 /*#if PNG_LIBPNG_VER_DLLNUM < 14
typedef PNG_CONST png_byte *png_const_bytep; typedef PNG_CONST png_byte *png_const_bytep;
#endif #endif*/
typedef struct { typedef struct
png_const_bytep buffer; {
png_uint_32 bufsize; const UINT8 *buffer;
png_uint_32 current_pos; UINT32 size;
UINT32 position;
} png_io_t; } png_io_t;
static void PNG_IOReader(png_structp png_ptr, png_bytep data, png_size_t length) static void PNG_IOReader(png_structp png_ptr, png_bytep data, png_size_t length)
{ {
png_io_t *f = png_get_io_ptr(png_ptr); png_io_t *f = png_get_io_ptr(png_ptr);
if (length > (f->bufsize - f->current_pos)) if (length > (f->size - f->position))
png_error(png_ptr, "PNG_IOReader: buffer overrun"); png_error(png_ptr, "PNG_IOReader: buffer overrun");
memcpy(data, f->buffer + f->current_pos, length); memcpy(data, f->buffer + f->position, length);
f->current_pos += length; f->position += length;
} }
typedef struct typedef struct
@ -2903,10 +2904,10 @@ static png_bytep *PNG_Read(const UINT8 *png, UINT16 *w, UINT16 *h, INT16 *topoff
png_memcpy(png_jmpbuf(png_ptr), jmpbuf, sizeof jmp_buf); png_memcpy(png_jmpbuf(png_ptr), jmpbuf, sizeof jmp_buf);
#endif #endif
// set our own read_function // set our own read function
png_io.buffer = (png_const_bytep)png; png_io.buffer = png;
png_io.bufsize = size; png_io.size = size;
png_io.current_pos = 0; png_io.position = 0;
png_set_read_fn(png_ptr, &png_io, PNG_IOReader); png_set_read_fn(png_ptr, &png_io, PNG_IOReader);
memset(&chunk, 0x00, sizeof(png_chunk_t)); memset(&chunk, 0x00, sizeof(png_chunk_t));
@ -3073,10 +3074,10 @@ boolean R_PNGDimensions(UINT8 *png, INT16 *width, INT16 *height, size_t size)
png_memcpy(png_jmpbuf(png_ptr), jmpbuf, sizeof jmp_buf); png_memcpy(png_jmpbuf(png_ptr), jmpbuf, sizeof jmp_buf);
#endif #endif
// set our own read_function // set our own read function
png_io.buffer = (png_bytep)png; png_io.buffer = png;
png_io.bufsize = size; png_io.size = size;
png_io.current_pos = 0; png_io.position = 0;
png_set_read_fn(png_ptr, &png_io, PNG_IOReader); png_set_read_fn(png_ptr, &png_io, PNG_IOReader);
#ifdef PNG_SET_USER_LIMITS_SUPPORTED #ifdef PNG_SET_USER_LIMITS_SUPPORTED