File fix-build-with-gcc14.patch of Package ssmtp

Index: ssmtp-2.64/ssmtp.c
===================================================================
--- ssmtp-2.64.orig/ssmtp.c
+++ ssmtp-2.64/ssmtp.c
@@ -525,7 +525,7 @@ void rcpt_save(char *str)
 #endif
 
 	/* Ignore missing usernames */
-	if(*str == NULL) {
+	if(*str == '\0') {
 		return;
 	}
 
@@ -582,7 +582,7 @@ void rcpt_parse(char *str)
 		}
 
 		/* End of string? */
-		if(*(q + 1) == NULL) {
+		if(*(q + 1) == '\0') {
 			got_addr = True;
 		}
 
@@ -682,7 +682,7 @@ void header_save(char *str)
 	if(strncasecmp(ht->string, "From:", 5) == 0) {
 #if 1
 		/* Hack check for NULL From: line */
-		if(*(p + 6) == NULL) {
+		if(*(p + 6) == '\0') {
 			return;
 		}
 #endif
@@ -1506,7 +1506,7 @@ int ssmtp(char *argv[])
 		else {
 #endif
 		memset(buf, 0, bufsize);
-		to64frombits(buf, auth_user, strlen(auth_user));
+		to64frombits((unsigned char*)buf, (const unsigned char*)auth_user, strlen(auth_user));
 		if (use_oldauth) {
 			outbytes += smtp_write(sock, "AUTH LOGIN %s", buf);
 		}
@@ -1518,7 +1518,7 @@ int ssmtp(char *argv[])
 			}
 			/* we assume server asked us for Username */
 			memset(buf, 0, bufsize);
-			to64frombits(buf, auth_user, strlen(auth_user));
+			to64frombits((unsigned char*)buf, (const unsigned char*)auth_user, strlen(auth_user));
 			outbytes += smtp_write(sock, buf);
 		}
 
@@ -1528,7 +1528,7 @@ int ssmtp(char *argv[])
 		}
 		memset(buf, 0, bufsize);
 
-		to64frombits(buf, auth_pass, strlen(auth_pass));
+		to64frombits((unsigned char*)buf, (const unsigned char*)auth_pass, strlen(auth_pass));
 #ifdef MD5AUTH
 		}
 #endif
Index: ssmtp-2.64/base64.c
===================================================================
--- ssmtp-2.64.orig/base64.c
+++ ssmtp-2.64/base64.c
@@ -12,7 +12,6 @@
  * This code borrowed from fetchmail sources by
  * Eric S. Raymond <esr@snark.thyrsus.com>.
  */
-#include <ctype.h>
 
 
 static const char base64digits[] =
@@ -29,7 +28,7 @@ static const char base64val[] = {
     BAD, 26, 27, 28,  29, 30, 31, 32,  33, 34, 35, 36,  37, 38, 39, 40,
      41, 42, 43, 44,  45, 46, 47, 48,  49, 50, 51,BAD, BAD,BAD,BAD,BAD
 };
-#define DECODE64(c)  (isascii(c) ? base64val[c] : BAD)
+#define DECODE64(c)  (((unsigned)(c) < 128) ? base64val[(unsigned char)(c)] : BAD)
 
 void to64frombits(unsigned char *out, const unsigned char *in, int inlen)
 /* raw bytes in quasi-big-endian order to base 64 string (NUL-terminated) */
Index: ssmtp-2.64/xgethostname.c
===================================================================
--- ssmtp-2.64.orig/xgethostname.c
+++ ssmtp-2.64/xgethostname.c
@@ -39,6 +39,7 @@
 	NULL is returned and errno is set.
  */
 
+#define _POSIX_C_SOURCE 200809L
 #include <sys/param.h>	/* For MAXHOSTNAMELEN */
 #include <stdlib.h>
 #include <errno.h>