Imported from libpng-1.0.0.tar
diff --git a/example.c b/example.c
index f984067..bc86aed 100644
--- a/example.c
+++ b/example.c
@@ -15,7 +15,7 @@
#include "png.h"
-/* Check to see if a file is a PNG file using png_check_sig(). Returns
+/* Check to see if a file is a PNG file using png_sig_cmp(). Returns
* non-zero if the image is a PNG, and 0 if it isn't a PNG.
*
* If this call is successful, and you are going to keep the file open,
@@ -29,7 +29,7 @@
*
* Many applications already read the first 2 or 4 bytes from the start
* of the image to determine the file type, so it would be easiest just
- * to pass the bytes to png_check_sig() or even skip that if you know
+ * to pass the bytes to png_sig_cmp() or even skip that if you know
* you have a PNG file, and call png_set_sig_bytes().
*/
#define PNG_BYTES_TO_CHECK 4
@@ -46,7 +46,7 @@
return 0;
/* Compare the first PNG_BYTES_TO_CHECK bytes of the signature. */
- return(png_check_sig(buf, PNG_BYTES_TO_CHECK));
+ return(png_sig_cmp(buf, (png_size_t)0, PNG_BYTES_TO_CHECK));
}
/* Read a PNG file. You may want to return an error code if the read
@@ -92,7 +92,7 @@
}
/* Allocate/initialize the memory for image information. REQUIRED. */
- info_ptr = png_create_info_struct();
+ info_ptr = png_create_info_struct(png_ptr);
if (info_ptr == NULL)
{
fclose(fp);
@@ -127,7 +127,7 @@
#endif no_streams /* Use only one I/O method! */
/* If we have already read some of the signature */
- png_set_sig_bytes_read(png_ptr, sig_read);
+ png_set_sig_bytes(png_ptr, sig_read);
/* The call to png_read_info() gives us all of the information from the
* PNG file before the first IDAT (image data chunk). REQUIRED
