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[devel] Remove png_snprintf, add formatted warning messages.

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This change adds internal APIs to allow png_warning messages to have parameters
 without requiring the host OS to implelment snprintf.  As a side effect the
 dependency of the RFC1132 code on stdio is removed and PNG_NO_WARNINGS does
 actually work now.
This commit is contained in:
John Bowler
2011-05-05 06:49:55 -05:00
committed by Glenn Randers-Pehrson
parent b3b7168077
commit 88b77cc6f3
12 changed files with 562 additions and 256 deletions
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4
pngstruct.h
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@@ -33,7 +33,9 @@ struct png_struct_def
png_longjmp_ptr longjmp_fn;/* setjmp non-local goto function. */
#endif
png_error_ptr error_fn; /* function for printing errors and aborting */
#ifdef PNG_WARNINGS_SUPPORTED
png_error_ptr warning_fn; /* function for printing warnings */
#endif
png_voidp error_ptr; /* user supplied struct for error functions */
png_rw_ptr write_data_fn; /* function for writing output data */
png_rw_ptr read_data_fn; /* function for reading input data */
@@ -219,7 +221,7 @@ struct png_struct_def
#endif
#ifdef PNG_TIME_RFC1123_SUPPORTED
png_charp time_buffer; /* String to hold RFC 1123 time text */
char time_buffer[29]; /* String to hold RFC 1123 time text */
#endif
/* New members added in libpng-1.0.6 */