diff options
Diffstat (limited to 'src/3rdparty/libpng/pngwio.c')
| -rw-r--r-- | src/3rdparty/libpng/pngwio.c | 44 |
1 files changed, 13 insertions, 31 deletions
diff --git a/src/3rdparty/libpng/pngwio.c b/src/3rdparty/libpng/pngwio.c index f77b2db..f4d995b 100644 --- a/src/3rdparty/libpng/pngwio.c +++ b/src/3rdparty/libpng/pngwio.c @@ -1,8 +1,8 @@ /* pngwio.c - functions for data output * - * Last changed in libpng 1.2.37 [June 4, 2009] - * Copyright (c) 1998-2009 Glenn Randers-Pehrson + * Last changed in libpng 1.4.0 [January 3, 2010] + * Copyright (c) 1998-2010 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -18,9 +18,10 @@ * them at run time with png_set_write_fn(...). */ -#define PNG_INTERNAL +#define PNG_NO_PEDANTIC_WARNINGS #include "png.h" #ifdef PNG_WRITE_SUPPORTED +#include "pngpriv.h" /* Write the data to whatever output you are using. The default routine * writes to a file pointer. Note that this routine sometimes gets called @@ -38,7 +39,7 @@ png_write_data(png_structp png_ptr, png_bytep data, png_size_t length) png_error(png_ptr, "Call to NULL write function"); } -#if !defined(PNG_NO_STDIO) +#ifdef PNG_STDIO_SUPPORTED /* This is the function that does the actual writing of data. If you are * not writing to a standard C stream, you should create a replacement * write_data function and use it at run time with png_set_write_fn(), rather @@ -52,12 +53,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) if (png_ptr == NULL) return; -#if defined(_WIN32_WCE) - if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) ) - check = 0; -#else check = fwrite(data, 1, length, (png_FILE_p)(png_ptr->io_ptr)); -#endif if (check != length) png_error(png_ptr, "Write Error"); } @@ -84,12 +80,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); if ((png_bytep)near_data == data) { -#if defined(_WIN32_WCE) - if ( !WriteFile(io_ptr, near_data, length, &check, NULL) ) - check = 0; -#else check = fwrite(near_data, 1, length, io_ptr); -#endif } else { @@ -101,12 +92,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) { written = MIN(NEAR_BUF_SIZE, remaining); png_memcpy(buf, data, written); /* Copy far buffer to near buffer */ -#if defined(_WIN32_WCE) - if ( !WriteFile(io_ptr, buf, written, &err, NULL) ) - err = 0; -#else err = fwrite(buf, 1, written, io_ptr); -#endif if (err != written) break; @@ -129,7 +115,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) * to disk). After png_flush is called, there should be no data pending * writing in any buffers. */ -#if defined(PNG_WRITE_FLUSH_SUPPORTED) +#ifdef PNG_WRITE_FLUSH_SUPPORTED void /* PRIVATE */ png_flush(png_structp png_ptr) { @@ -137,19 +123,15 @@ png_flush(png_structp png_ptr) (*(png_ptr->output_flush_fn))(png_ptr); } -#if !defined(PNG_NO_STDIO) +#ifdef PNG_STDIO_SUPPORTED void PNGAPI png_default_flush(png_structp png_ptr) { -#if !defined(_WIN32_WCE) png_FILE_p io_ptr; -#endif if (png_ptr == NULL) return; -#if !defined(_WIN32_WCE) io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr)); fflush(io_ptr); -#endif } #endif #endif @@ -192,7 +174,7 @@ png_set_write_fn(png_structp png_ptr, png_voidp io_ptr, png_ptr->io_ptr = io_ptr; -#if !defined(PNG_NO_STDIO) +#ifdef PNG_STDIO_SUPPORTED if (write_data_fn != NULL) png_ptr->write_data_fn = write_data_fn; @@ -202,8 +184,8 @@ png_set_write_fn(png_structp png_ptr, png_voidp io_ptr, png_ptr->write_data_fn = write_data_fn; #endif -#if defined(PNG_WRITE_FLUSH_SUPPORTED) -#if !defined(PNG_NO_STDIO) +#ifdef PNG_WRITE_FLUSH_SUPPORTED +#ifdef PNG_STDIO_SUPPORTED if (output_flush_fn != NULL) png_ptr->output_flush_fn = output_flush_fn; @@ -221,12 +203,12 @@ png_set_write_fn(png_structp png_ptr, png_voidp io_ptr, png_warning(png_ptr, "Attempted to set both read_data_fn and write_data_fn in"); png_warning(png_ptr, - "the same structure. Resetting read_data_fn to NULL."); + "the same structure. Resetting read_data_fn to NULL"); } } -#if defined(USE_FAR_KEYWORD) -#if defined(_MSC_VER) +#ifdef USE_FAR_KEYWORD +#ifdef _MSC_VER void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check) { void *near_ptr; |