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strnlen is a GNU extension
--- libpng/pngerror.c
+++ libpng/pngerror.c
@@ -23,6 +23,16 @@
png_default_warning PNGARG((png_structp png_ptr,
png_const_charp warning_message));
+#ifndef _GNU_SOURCE
+size_t strnlen(const char *s, size_t limit)
+{
+ size_t len = 0;
+ while ((len < limit) && (*s++))
+ len++;
+ return len;
+}
+#endif
+
/* This function is called whenever there is a fatal error. This function
* should not be changed. If there is a need to handle errors differently,
* you should supply a replacement error function and use png_set_error_fn()
|
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