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-rw-r--r--regex/utils.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/regex/utils.h b/regex/utils.h
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+++ b/regex/utils.h
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+/* utility definitions */
+#ifdef _POSIX2_RE_DUP_MAX
+#define DUPMAX _POSIX2_RE_DUP_MAX /* xxx is this right? */
+#else
+#define DUPMAX 255
+#endif
+#define RE_INFINITY (DUPMAX + 1)
+#define NC (CHAR_MAX - CHAR_MIN + 1)
+typedef unsigned char uch;
+
+/* switch off assertions (if not already off) if no REDEBUG */
+#ifndef REDEBUG
+#ifndef NDEBUG
+#define NDEBUG /* no assertions please */
+#endif
+#endif
+#include <assert.h>
+
+/* for old systems with bcopy() but no memmove() */
+#ifdef USEBCOPY
+#define memmove(d, s, c) bcopy(s, d, c)
+#endif