dtfile: batch coverity fixes

cde/programs/dtfile/dtcopy/copydialog.c

@@ -484,7 +484,7 @@ create_copydir_dialog(
 
   /* Save the name of the source directory in order to truncate the pathname */
   /* displayed as the copy proceeds ... see function UpdateStatus.           */
-  strcpy(G_source_dir,source);
+  snprintf(G_source_dir, sizeof(G_source_dir), "%s", source);
 
   tsource = (char * )get_path(source);
   ttarget = (char * )get_path(target);

cde/programs/dtfile/dtcopy/dosync.c

@@ -254,9 +254,9 @@ GetDirEntry(char *fname, FileOp *op, int *rc)
   /* get file name */
   p = strrchr(fname, '/');
   if (p && p > fname)
-    strcpy(deP->name, p + 1);
+    snprintf(deP->name, sizeof(deP->name), "%s", p + 1);
   else
-    strcpy(deP->name, fname);
+    snprintf(deP->name, sizeof(deP->name), "%s", fname);
 
   /* assume everything is fine */
   *op = 0;
@@ -321,7 +321,7 @@ GetDir(char *dirname, PatternList *xl, PatternList *sl, DirEntry **listPP)
   }
 
   /* copy dirname to file name buffer */
-  strcpy(fname, dirname);
+  snprintf(fname, sizeof(fname), "%s", dirname);
   fnP = fname + strlen(fname);
   *fnP++ = '/';
 
@@ -410,8 +410,7 @@ doUnlink(char *fname, DirEntry *fP, int confirm)
   else if (SP->keepold) {
     char newname[1024];
 
-    strcpy(newname, fname);
-    strcat(newname, SP->keepold);
+    snprintf(newname, sizeof(newname), "%s%s", fname, SP->keepold);
     fsMove(fname, newname, 1, &rc);
 
   } else if ((fP->ftype & ft_isdir) && !(fP->ftype & ft_islnk)) {
@@ -941,8 +940,8 @@ SyncDirectory(SyncParams *p)
 
   /* save pointer to params; copy source & target names */
   SP = p;
-  strcpy(sbuf, SP->source);
-  strcpy(tbuf, SP->target);
+  snprintf(sbuf, sizeof(sbuf), "%s", SP->source);
+  snprintf(tbuf, sizeof(tbuf), "%s", SP->target);
 
   /* get info about the source */
   sP = GetDirEntry(sbuf, &op, &rc);

cde/programs/dtfile/dtcopy/dtcopy.h

@@ -38,6 +38,8 @@
  ****************************************************************************
  ************************************<+>*************************************/
 
+#include <limits.h>
+
 /* Macros */
 #define MAX_PATH      PATH_MAX
 
@@ -93,8 +95,8 @@ extern Widget G_rename_text;
 extern Widget G_toggle_main;
 extern Widget G_toggle_error;
 
-extern char  G_rename_oldname[];
-extern char  G_source_dir[];
+extern char  G_rename_oldname[MAX_PATH];
+extern char  G_source_dir[MAX_PATH];
 extern int G_move;
 extern int G_do_copy;
 extern int G_pause_copy;

cde/programs/dtfile/dtcopy/fsrtns.c

@@ -366,7 +366,7 @@ EmptyDir(char *sourceP, int rm, int force)
     return errno;
 
   /* prepare source name */
-  strcpy(srcname, sourceP);
+  snprintf(srcname, sizeof(srcname), "%s", sourceP);
   srclen = strlen(srcname);
   if (srcname[srclen - 1] != '/')
     srcname[srclen++] = '/';
@@ -486,7 +486,7 @@ fsMove(char *sourceP, char *targetP, int replace, int *rcP)
     /* first check if we have write permission in the source directory */
     char dir[1024], *p;
 
-    strcpy(dir, sourceP);
+    snprintf(dir, sizeof(dir), "%s", sourceP);
     p = strrchr(dir, '/');
     if (p == 0)
       strcpy(dir, ".");

cde/programs/dtfile/dtcopy/overwrtdialog.c

@@ -278,7 +278,7 @@ create_overwrite_dialog(
 
 
   /* save the target name for possible rename in ok_callback */
-  strcpy(G_rename_oldname,tname);
+  snprintf(G_rename_oldname, sizeof(G_rename_oldname), "%s", tname);
 
 
   if (G_move)