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Move helper functions to common header file.

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This commit is contained in:
Giovanni Bajo
2012-04-27 03:11:22 +02:00
committed by Simon Kelley
parent 458824dcb4
commit 4c70046d93
2 changed files with 17 additions and 19 deletions
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17
src/dns-protocol.h
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@@ -117,3 +117,20 @@ struct dns_header {
(cp) += 4; \
}
#define CHECKED_GETCHAR(var, ptr, len) do { \
if ((len) < 1) return 0; \
var = *ptr++; \
(len) -= 1; \
} while (0)
#define CHECKED_GETSHORT(var, ptr, len) do { \
if ((len) < 2) return 0; \
GETSHORT(var, ptr); \
(len) -= 2; \
} while (0)
#define CHECKED_GETLONG(var, ptr, len) do { \
if ((len) < 4) return 0; \
GETLONG(var, ptr); \
(len) -= 4; \
} while (0)

19
src/dnssec.c
View File

@@ -3,25 +3,6 @@
#include "dnssec-crypto.h"
#include <assert.h>
#define CHECKED_GETCHAR(var, ptr, len) do { \
if ((len) < 1) return 0; \
var = *ptr++; \
(len) -= 1; \
} while (0)
#define CHECKED_GETSHORT(var, ptr, len) do { \
if ((len) < 2) return 0; \
GETSHORT(var, ptr); \
(len) -= 2; \
} while (0)
#define CHECKED_GETLONG(var, ptr, len) do { \
if ((len) < 4) return 0; \
GETLONG(var, ptr); \
(len) -= 4; \
} while (0)
#define SERIAL_UNDEF -100
#define SERIAL_EQ 0
#define SERIAL_LT -1