Index: sed-4.1.5/lib/utils.c
===================================================================
--- sed-4.1.5.orig/lib/utils.c
+++ sed-4.1.5/lib/utils.c
@@ -97,7 +97,6 @@ panic(const char *str, ...)
     {
       if (open_files->temp)
 	{
-	  int fd = fileno (open_files->fp);
 	  fclose (open_files->fp);
 	  errno = 0;
 	  unlink (open_files->name);
@@ -250,7 +249,7 @@ ck_getline(text, buflen, stream)
   size_t *buflen;
   FILE *stream;
 {
-  int result;
+  int result = -1;
   if (!ferror (stream))
     result = getline (text, buflen, stream);
 
@@ -312,7 +311,6 @@ void
 do_ck_fclose(fp)
   FILE *fp;
 {
-  int fd;
   ck_fflush(fp);
   clearerr(fp);
 
Index: sed-4.1.5/sed/compile.c
===================================================================
--- sed-4.1.5.orig/sed/compile.c
+++ sed-4.1.5/sed/compile.c
@@ -384,7 +384,6 @@ get_openfile(file_ptrs, mode, fail)
   struct buffer *b;
   char *file_name;
   struct output *p;
-  int is_stderr;
 
   b = read_filename();
   file_name = get_buffer(b);
@@ -457,7 +456,7 @@ snarf_char_class(b, cur_stat)
 {
   int ch;
   int state = 0;
-  int delim;
+  int delim = 0;
   bool pending_mb = 0;
   
   ch = inchar();
@@ -1581,7 +1580,6 @@ compile_file(cur_program, cmdfile)
   struct vector *cur_program;
   const char *cmdfile;
 {
-  size_t len;
   struct vector *ret;
 
   prog.file = stdin;
Index: sed-4.1.5/sed/execute.c
===================================================================
--- sed-4.1.5.orig/sed/execute.c
+++ sed-4.1.5/sed/execute.c
@@ -1062,7 +1062,7 @@ append_replacement (buf, p, regs, repl_m
           curr_type &= ~REPL_MODIFIERS;
         }
 
-      if (0 <= i)
+      if (0 <= i) {
         if (regs->end[i] == regs->start[i] && p->repl_type & REPL_MODIFIERS)
           /* Save this modifier, we shall apply it later.
 	     e.g. in s/()([a-z])/\u\1\2/
@@ -1073,6 +1073,7 @@ append_replacement (buf, p, regs, repl_m
 	  str_append_modified(buf, line.active + regs->start[i],
 			      CAST(size_t)(regs->end[i] - regs->start[i]),
 			      curr_type);
+      }
     }
 
   return repl_mod;
@@ -1100,7 +1101,7 @@ do_subst(sub)
 		   &regs, sub->max_id + 1))
     return;
   
-  if (!sub->replacement && sub->numb <= 1)
+  if (!sub->replacement && sub->numb <= 1) {
     if (regs.start[0] == 0 && !sub->global)
       {
 	/* We found a match, set the `replaced' flag. */
@@ -1119,6 +1120,7 @@ do_subst(sub)
 	line.length = regs.start[0];
 	goto post_subst;
       }
+  }
 
   do
     {
@@ -1377,11 +1379,12 @@ execute_program(vec, input)
 		    {
 		      char buf[4096];
 		      int n = fread (buf, sizeof(char), 4096, pipe);
-		      if (n > 0)
+		      if (n > 0) {
 			if (!cmd_length)
 			  str_append(&s_accum, buf, n);
 			else
 			  ck_fwrite(buf, 1, n, output_file.fp);
+		      }
 		    }
 		  
 		  pclose (pipe);