$OpenBSD: patch-unace_c,v 1.2 2005/02/22 15:13:09 naddy Exp $
--- unace.c.orig	Wed Jul  1 10:29:00 1998
+++ unace.c	Mon Feb 14 17:51:47 2005
@@ -120,7 +120,7 @@ INT  read_header(INT print_err)         
    if (read(archan, &head, 4)<4)
       return 0;                         // read CRC and header size
 
-#ifdef HI_LO_BYTE_ORDER
+#if BYTE_ORDER == BIG_ENDIAN
    WORDswap(&head.HEAD_CRC);
    WORDswap(&head.HEAD_SIZE);
 #endif
@@ -240,6 +240,7 @@ INT read_arc_head(void)         // searc
 INT  open_archive(INT print_err)        // opens archive (or volume)
 {
    CHAR av_str[80];
+   unsigned int copylen;
 
    archan = open(aname, O_RDONLY | O_BINARY);   // open file
 
@@ -263,8 +264,11 @@ INT  open_archive(INT print_err)        
       sprintf(av_str, "\ncreated on %d.%d.%d by ",
               ts_day(adat.time_cr), ts_month(adat.time_cr), ts_year(adat.time_cr));
       printf(av_str);
-      strncpy(av_str, mhead.AV, mhead.AV_SIZE);
-      av_str[mhead.AV_SIZE] = 0;
+      copylen = mhead.AV_SIZE;
+      if (copylen > 79)
+        copylen = 79;
+      strncpy(av_str, mhead.AV, copylen);
+      av_str[copylen] = 0;
       printf("%s\n\n", av_str);
    }
    comment_out("Main comment:");        // print main comment
@@ -300,7 +304,7 @@ void get_next_volname(void)             
 INT  proc_vol(void)                     // opens volume
 {
    INT  i;
-   CHAR s[80];
+   CHAR s[PATH_MAX + 80];
 
    // if f_allvol_pr is 2 we have -y and should never ask
    if ((!fileexists_insense(aname) && f_allvol_pr != 2) || !f_allvol_pr)
@@ -428,7 +432,7 @@ void extract_files(int nopath, int test)
       if (head.HEAD_TYPE == FILE_BLK)
       {
          comment_out("File comment:");   // show file comment
-         ace_fname(file, &head, nopath); // get file name
+         ace_fname(file, &head, nopath, sizeof(file)); // get file name
          printf("\n%s", file);
          flush;
          dcpr_init_file();               // initialize decompression of file
@@ -496,7 +500,7 @@ void list_files(int verbose)
       if (head.HEAD_TYPE == FILE_BLK)
       {
          ULONG ti=fhead.FTIME;
-         ace_fname(file, &head, verbose ? 0 : 1); // get file name
+         ace_fname(file, &head, verbose ? 0 : 1, sizeof(file)); // get file name
 
          size  += fhead.SIZE;
          psize +=
@@ -588,7 +592,8 @@ int main(INT argc, CHAR * argv[])       
 
       init_unace();                              // initialize unace
 
-      strcpy(aname, argv[arg_cnt]);              // get archive name
+      strncpy(aname, argv[arg_cnt], sizeof(aname) - 4);  // get archive name
+      aname[sizeof(aname) - 5] = '\0';
       if (!(s = (CHAR *) strrchr(aname, DIRSEP)))
          s = aname;
       if (!strrchr(s, '.'))