libesmtp-1.0.2 bug and patch for FreeBSD

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Version 1.0.2 works after a little hacking on FreeBSD:

Patch:  patch-smpt-tls.c

FreeBSD does not have a memrchr() [not POSIX] and so a home-grown one is 
cobbled into the code with the patch.  FreeBSD does have a strrchr() for 
C-strings.

Patch:  patch-errors.c

FreeBSD's EAI codes are arranged somewhat differently.  This patch takes 
care of this.

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--- smtp-tls.c.orig	Mon Jan 19 02:36:32 2004
+++ smtp-tls.c	Mon Jan 19 02:41:25 2004
@@ -450,6 +450,20 @@
   return 1;
 }
 
+#if defined(__FreeBSD__)
+void *
+memrchr(const void *v, int c, size_t size)
+{
+	const unsigned char *p = (const unsigned char *) v + size;
+
+	while (size-- > 0) {
+		if (*--p == c)
+			return (void *) p;
+	}
+	return NULL;
+}
+#endif
+
 /* Perform a domain name comparison where the reference may contain
    wildcards.  This implements the comparison from RFC 2818.
    Each component of the domain name is matched separately, working from

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Index: errors.c
diff -u errors.c.orig errors.c
--- errors.c.orig	Mon Mar  4 18:06:58 2002
+++ errors.c	Thu Oct 30 00:52:41 2003
@@ -77,8 +77,12 @@
     MAP(EAI_AGAIN)
     MAP(EAI_FAIL)
     MAP(EAI_MEMORY)
+#ifdef EAI_ADDRFAMILY
     MAP(EAI_ADDRFAMILY)
+#endif
+#if defined(EAI_NODATA) && EAI_NODATA != EAI_NONAME
     MAP(EAI_NODATA)
+#endif
     MAP(EAI_FAMILY)
     MAP(EAI_BADFLAGS)
     MAP(EAI_NONAME)
@@ -98,8 +102,12 @@
     MAP(EAI_AGAIN)
     MAP(EAI_FAIL)
     MAP(EAI_MEMORY)
+#ifdef EAI_ADDRFAMILY
     MAP(EAI_ADDRFAMILY)
+#endif
+#if defined(EAI_NODATA) && EAI_NODATA != EAI_NONAME
     MAP(EAI_NODATA)
+#endif
     MAP(EAI_FAMILY)
     MAP(EAI_BADFLAGS)
     MAP(EAI_NONAME)

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