Simply avoid warnings of modern gcc

[enscript.git] / compat / regex.c

diff --git a/compat/regex.c b/compat/regex.c
index efe1530..c059b4b 100644 (file)
--- a/compat/regex.c
+++ b/compat/regex.c
@@ -17,7 +17,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 /* AIX requires this to be the first thing in the file. */
 #if defined (_AIX) && !defined (REGEX_MALLOC)
@@ -2400,11 +2400,12 @@ regex_compile (pattern, size, syntax, bufp)
             case ')':
               if (syntax & RE_NO_BK_PARENS) goto normal_backslash;
 
-              if (COMPILE_STACK_EMPTY)
+              if (COMPILE_STACK_EMPTY) {
                 if (syntax & RE_UNMATCHED_RIGHT_PAREN_ORD)
                   goto normal_backslash;
                 else
                   FREE_STACK_RETURN (REG_ERPAREN);
+             }
 
             handle_close:
               if (fixup_alt_jump)
@@ -2420,11 +2421,12 @@ regex_compile (pattern, size, syntax, bufp)
                 }
 
               /* See similar code for backslashed left paren above.  */
-              if (COMPILE_STACK_EMPTY)
+              if (COMPILE_STACK_EMPTY) {
                 if (syntax & RE_UNMATCHED_RIGHT_PAREN_ORD)
                   goto normal_char;
                 else
                   FREE_STACK_RETURN (REG_ERPAREN);
+             }
 
               /* Since we just checked for an empty stack above, this
                  ``can't happen''.  */
@@ -3106,8 +3108,6 @@ re_compile_fastmap (bufp)
   char *destination;
 #endif
   /* We don't push any register information onto the failure stack.  */
-  unsigned num_regs = 0;
-
   register char *fastmap = bufp->fastmap;
   unsigned char *pattern = bufp->buffer;
   unsigned char *p = pattern;
@@ -4801,8 +4801,8 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
                register from the stack, since lowest will == highest in
                `pop_failure_point'.  */
             active_reg_t dummy_low_reg, dummy_high_reg;
-            unsigned char *pdummy;
-            const char *sdummy;
+            unsigned char *pdummy __attribute__ ((__unused__));
+            const char *sdummy __attribute__ ((__unused__));
 
             DEBUG_PRINT1 ("EXECUTING pop_failure_jump.\n");
             POP_FAILURE_POINT (sdummy, pdummy,