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Diffstat (limited to 'libpng.txt')
| -rw-r--r-- | libpng.txt | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libpng.txt b/libpng.txt index 425cf3085..c0330b2f5 100644 --- a/libpng.txt +++ b/libpng.txt @@ -1,6 +1,6 @@ libpng.txt - A description on how to use and modify libpng - libpng version 1.0.11beta3 - April 15, 2001 + libpng version 1.0.11rc1 - April 20, 2001 Updated and distributed by Glenn Randers-Pehrson <randeg@alum.rpi.edu> Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson @@ -2314,6 +2314,10 @@ Your replacement memory functions must have prototypes as follows: png_uint_32 size); void free_fn(png_structp png_ptr, png_voidp ptr); +Your malloc_fn() can return NULL in case of failure. The png_malloc() +function will call png_error() if it receives a NULL from the system +memory allocator or from your replacement malloc_fn(). + Input/Output in libpng is done through png_read() and png_write(), which currently just call fread() and fwrite(). The FILE * is stored in png_struct and is initialized via png_init_io(). If you wish to change @@ -2717,13 +2721,13 @@ application: VIII. Y2K Compliance in libpng -April 15, 2001 +April 20, 2001 Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and -upward through 1.0.11beta3 are Y2K compliant. It is my belief that earlier +upward through 1.0.11rc1 are Y2K compliant. It is my belief that earlier versions were also Y2K compliant. Libpng only has three year fields. One is a 2-byte unsigned integer that |