$OpenBSD: patch-metamail_metamail_c,v 1.4 2010/07/12 19:28:14 naddy Exp $
--- metamail/metamail.c.orig	Thu Feb 17 02:57:19 1994
+++ metamail/metamail.c	Mon Jul 12 21:06:16 2010
@@ -20,6 +20,8 @@ WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
 
  ******************************************************* */
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -29,7 +31,7 @@ WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
 #ifdef BORLAND
 #define F_OK 0
 extern unsigned _stklen = 16384;
-extern char *mktemp(char *);
+extern char *mkstemp(char *);
 #define WRITE_BINARY	"w"
 #else /* BORLAND */
 #ifdef MICROSOFT
@@ -100,13 +102,6 @@ extern char **environ, *gets();
 #define CMDSIZE 1200 /* Maximum size of command to execute */
 
 #define LINE_BUF_SIZE       2000
-#ifndef MICROSOFT
-extern char *malloc();
-extern char *realloc();
-#endif
-extern char *getenv();
-extern char *index();
-extern char *rindex();
 char fileToDelete[MAX_FILE_NAME_SIZE];
 
 char *FindParam();
@@ -302,24 +297,6 @@ char **argv;
     int retcode;
 
     modpath(AUXPATH);
-#ifndef MSDOS
-    signal(SIGINT, cleanup);
-#ifndef AMIGA
-    signal(SIGILL, cleanup);
-    signal(SIGTRAP, cleanup);
-    signal(SIGIOT, cleanup);
-    signal(SIGFPE, cleanup);
-#ifndef LINUX
-    signal(SIGEMT, cleanup);
-    signal(SIGBUS, cleanup);
-#endif
-    signal(SIGSEGV, cleanup);
-    signal(SIGTERM, cleanup);
-#endif
-#endif
-#ifdef SIGXCPU
-    signal(SIGXCPU, cleanup);
-#endif
     tmproot = getenv("METAMAIL_TMPDIR");
     if (!tmproot) tmproot="/tmp";
     mailheaders = getenv("MM_HEADERS");
@@ -1202,9 +1179,9 @@ char *SquirrelFile;
     fprintf(outfp, "Content-type: %s", ContentType);
     for (j=0; j<CParamsUsed; ++j) {
         fprintf(outfp, " ; ");
-        fprintf(outfp, CParams[j]);
+        fprintf(outfp, "%s", CParams[j]);
         fprintf(outfp, " = ");
-        fprintf(outfp, CParamValues[j]);
+        fprintf(outfp, "%s", CParamValues[j]);
     }
     fprintf(outfp, "\n\n"); 
     TranslateInputToOutput(InputFP, outfp, EncodingCode, ContentType);
@@ -2022,7 +1999,7 @@ int ShowLeadingWhitespace;
     if (lc2strcmp(charset, PrevCharset)) {
         char *s2, *charsetinuse;
 
-        strcpy(PrevCharset, charset);
+        strlcpy(PrevCharset, charset, sizeof(PrevCharset));
         for (s2=PrevCharset; *s2; ++s2) {
             if (isupper((unsigned char) *s2)) *s2 = tolower((unsigned char) *s2);
         }
@@ -2032,7 +2009,7 @@ int ShowLeadingWhitespace;
         }
     }
     if (ecode == ENCODING_NONE) {
-        printf(txt+1);
+        printf("%s", txt+1);
     } else {
         /* What follows is REALLY bogus, but all my encoding stuff is pipe-oriented right now... */
         MkTmpFileName(TmpFile);
@@ -2489,14 +2466,14 @@ char *name;
 {
 #ifdef AMIGA
     strcpy(name, "T:mmXXXXXX");
-    mktemp(name);
+    close(mkstemp(name));
 #else
 #ifndef MSDOS
     sprintf(name, "%s/mm.XXXXXX", tmproot);
-    mktemp(name);
+    close(mkstemp(name));
 #else
      strcpy(name, "TXXXXXX");
-     if (!mktemp(name))
+     if (!close(mkstemp(name)))
          name[0] = 0;
      else
          if (DoDebug) printf("temp name = \"%s\"\n", name);