From 592cfe5a2054b43cb37daf7c6188ba1c643e9d04 Mon Sep 17 00:00:00 2001
From: Dianne Skoll <dianne@skoll.ca>
Date: Sat, 20 Apr 2024 10:50:44 -0400
Subject: [PATCH] Use "uint32_t" if we have <stdint.h> for MD5 code.

---
 configure.in    |  2 +-
 src/config.h.in |  3 +++
 src/md5.h       | 10 +++++-----
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/configure.in b/configure.in
index 2641f2f5..5e5ee6b9 100644
--- a/configure.in
+++ b/configure.in
@@ -30,7 +30,7 @@ AC_PATH_PROG([PERL], [perl])
 
 dnl Checks for libraries.
 AC_CHECK_LIB(m, sqrt)
-AC_CHECK_HEADERS_ONCE([sys/time.h])
+AC_CHECK_HEADERS_ONCE([sys/time.h stdint.h])
 
 dnl Integer sizes
 AC_CHECK_SIZEOF(unsigned int)
diff --git a/src/config.h.in b/src/config.h.in
index d6e85b08..a0de85f0 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -10,6 +10,9 @@
 /* Define if you have the <glob.h> header file */
 #undef HAVE_GLOB_H
 
+/* Define if you have <stdint.h> */
+#undef HAVE_STDINT_H
+
 #undef HAVE_WCTYPE_H
 
 #undef HAVE_LOCALE_H
diff --git a/src/md5.h b/src/md5.h
index 525a45e9..495f02b3 100644
--- a/src/md5.h
+++ b/src/md5.h
@@ -6,6 +6,10 @@
 
 #include "config.h"
 
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+typedef uint32_t uint32;
+#else
 #if SIZEOF_UNSIGNED_INT == 4
 typedef unsigned int uint32;
 #elif SIZEOF_UNSIGNED_LONG == 4
@@ -13,6 +17,7 @@ typedef unsigned long uint32;
 #else
 # error Could not find a 32-bit integer type
 #endif
+#endif
 
 struct MD5Context {
 	uint32 buf[4];
@@ -26,9 +31,4 @@ void MD5Update(struct MD5Context *context, unsigned char const *buf,
 void MD5Final(unsigned char digest[16], struct MD5Context *context);
 void MD5Transform(uint32 buf[4], uint32 const in[16]);
 
-/*
- * This is needed to make RSAREF happy on some MS-DOS compilers.
- */
-typedef struct MD5Context MD5_CTX;
-
 #endif /* !MD5_H */