commit 68ea243ca352af493a0b12a5a9a811536d2dacc0
author Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Sat Apr 01 21:10:05 2000 -0600
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Mon Apr 06 16:04:53 2009 -0500
tree 867ec4aec07ae0dcfffe60fde42eb3eae6132385
parent 520a764cd79aea2d282cb4d2b9187f0aafb72404

Imported from libpng-1.0.6a.tar

example.c

diff --git a/example.c b/example.c
index ed2619c..3284b32 100644
--- a/example.c
+++ b/example.c
@@ -54,7 +54,7 @@
    char buf[PNG_BYTES_TO_CHECK];
 
    /* Open the prospective PNG file. */
-   if ((*fp = fopen(file_name, "rb")) != NULL);
+   if ((*fp = fopen(file_name, "rb")) == NULL)
       return 0;
 
    /* Read in some of the signature bytes */
@@ -565,7 +565,7 @@
    {
       /* If we get here, we had a problem reading the file */
       fclose(fp);
-      png_destroy_write_struct(&png_ptr,  (png_infopp)NULL);
+      png_destroy_write_struct(&png_ptr,  (png_infopp)info_ptr);
       return;
    }
 
@@ -761,7 +761,7 @@
    png_free(png_ptr, trans);
 
    /* clean up after the write, and free any memory allocated */
-   png_destroy_write_struct(&png_ptr, (png_infopp)NULL);
+   png_destroy_write_struct(&png_ptr, (png_infopp)info_ptr);
 
    /* close the file */
    fclose(fp);