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[libpng16] Reverted use png_get_libpng_ver(NULL) instead of PNG_LIBPNG_VER_STRING

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in the manual, example.c, pngtest.c, and applications in the contrib directory.
It was incorrect advice.
This commit is contained in:
Glenn Randers-Pehrson
2014-11-06 06:39:56 -06:00
parent 8e7c35fc81
commit 61ea3eacb0
14 changed files with 34 additions and 28 deletions
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10
libpng.3
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@@ -876,7 +876,7 @@ The structure allocation functions quietly return NULL if they fail to
create the structure, so your application should check for that.
png_structp png_ptr = png_create_read_struct
(png_get_libpng_ver(NULL), (png_voidp)user_error_ptr,
(PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
user_error_fn, user_warning_fn);
if (!png_ptr)
@@ -896,7 +896,7 @@ use a libpng that was built with PNG_USER_MEM_SUPPORTED defined, and use
png_create_read_struct_2() instead of png_create_read_struct():
png_structp png_ptr = png_create_read_struct_2
(png_get_libpng_ver(NULL), (png_voidp)user_error_ptr,
(PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
user_error_fn, user_warning_fn, (png_voidp)
user_mem_ptr, user_malloc_fn, user_free_fn);
@@ -2990,7 +2990,7 @@ png_infop info_ptr;
initialize_png_reader()
{
png_ptr = png_create_read_struct
(png_get_libpng_ver(NULL), (png_voidp)user_error_ptr,
(PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
user_error_fn, user_warning_fn);
if (!png_ptr)
@@ -3198,7 +3198,7 @@ both "png_ptr"; you can call them anything you like, such as
"read_ptr" and "write_ptr". Look at pngtest.c, for example.
png_structp png_ptr = png_create_write_struct
(png_get_libpng_ver(NULL), (png_voidp)user_error_ptr,
(PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
user_error_fn, user_warning_fn);
if (!png_ptr)
@@ -3217,7 +3217,7 @@ define PNG_USER_MEM_SUPPORTED and use
png_create_write_struct_2() instead of png_create_write_struct():
png_structp png_ptr = png_create_write_struct_2
(png_get_libpng_ver(NULL), (png_voidp)user_error_ptr,
(PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
user_error_fn, user_warning_fn, (png_voidp)
user_mem_ptr, user_malloc_fn, user_free_fn);