remove sigio blocking

[bpt/emacs.git] / src / regex.c

diff --git a/src/regex.c b/src/regex.c
index 2449240..ac71b79 100644 (file)
--- a/src/regex.c
+++ b/src/regex.c
@@ -713,7 +713,8 @@ typedef enum
 static int
 extract_number (re_char *source)
 {
-  return (SIGN_EXTEND_CHAR (source[1]) << 8) + source[0];
+  unsigned leading_byte = SIGN_EXTEND_CHAR (source[1]);
+  return (leading_byte << 8) + source[0];
 }
 
 /* Same as EXTRACT_NUMBER, except increment SOURCE to after the number.
@@ -1189,12 +1190,7 @@ print_double_string (re_char *where, re_char *string1, ssize_t size1,
 # define assert(e)
 
 # define DEBUG_STATEMENT(e)
-# if __STDC_VERSION__ < 199901L
-#  define DEBUG_COMPILES_ARGUMENTS
-#  define DEBUG_PRINT /* 'DEBUG_PRINT (x, y)' discards X and Y.  */ (void)
-# else
-#  define DEBUG_PRINT(...)
-# endif
+# define DEBUG_PRINT(...)
 # define DEBUG_PRINT_COMPILED_PATTERN(p, s, e)
 # define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2)