constify ns_updrec -> r_data.

diff --git a/includes/minires/res_update.h b/includes/minires/res_update.h
index 476f6b5cf3da5d8f418138fbbfee42cd50a5a6df..d941dee665d731b3e3121b5b30b9020b2d9230f0 100644 (file)
--- a/includes/minires/res_update.h
+++ b/includes/minires/res_update.h
@@ -16,7 +16,7 @@
  */
 
 /*
- *     $Id: res_update.h,v 1.1 2000/02/02 05:49:29 mellon Exp $
+ *     $Id: res_update.h,v 1.2 2001/01/11 02:16:09 mellon Exp $
  */
 
 #ifndef __RES_UPDATE_H
@@ -36,7 +36,8 @@ typedef struct ns_updrec {
        ns_class r_class;               /* class number */
        ns_type r_type;                 /* type number */
        u_int32_t r_ttl;                /* time to live */
-       unsigned char*  r_data;         /* rdata fields as text string */
+       const unsigned char *r_data;    /* rdata fields as text string */
+       unsigned char *r_data_ephem;    /* pointer to freeable r_data */
        unsigned int r_size;            /* size of r_data field */
        int r_opcode;                   /* type of operation */
                /* following fields for private use by the resolver/server

diff --git a/minires/res_mkupdate.c b/minires/res_mkupdate.c
index 574bce0a6b66798d1457b8e96fa8d54878fcaec6..5520a83b8081e2c4e16c0ddc1bd99089e47727cd 100644 (file)
--- a/minires/res_mkupdate.c
+++ b/minires/res_mkupdate.c
@@ -21,7 +21,7 @@
  */
 
 #if !defined(lint) && !defined(SABER)
-static const char rcsid[] = "$Id: res_mkupdate.c,v 1.6 2000/12/02 00:10:20 neild Exp $";
+static const char rcsid[] = "$Id: res_mkupdate.c,v 1.7 2001/01/11 02:16:24 mellon Exp $";
 #endif /* not lint */
 
 #include <sys/types.h>
@@ -47,10 +47,12 @@ static const char rcsid[] = "$Id: res_mkupdate.c,v 1.6 2000/12/02 00:10:20 neild
 #define DEBUG
 #define MAXPORT 1024
 
-static int getnum_str(u_char **, u_char *);
-static int gethexnum_str(u_char **, u_char *);
-static int getword_str(char *, int, u_char **, u_char *);
-static int getstr_str(char *, int, u_char **, u_char *);
+static int getnum_str(const u_char **, const u_char *);
+static int gethexnum_str(const u_char **, const u_char *);
+static int getword_str(char *, int,
+                      const unsigned char **,
+                      const unsigned char *);
+static int getstr_str(char *, int, const u_char **, const u_char *);
 
 struct valuelist {
        struct valuelist *      next;
@@ -88,7 +90,8 @@ res_nmkupdate(res_state statp,
              ns_updrec *rrecp_in, double *bp, unsigned *blp) {
        ns_updrec *rrecp_start = rrecp_in;
        HEADER *hp;
-       u_char *cp, *sp1, *sp2, *startp, *endp;
+       u_char *cp, *sp1, *sp2;
+       const unsigned char *startp, *endp;
        int n, i, soanum, multiline;
        ns_updrec *rrecp;
        struct in_addr ina;
@@ -662,7 +665,7 @@ res_nmkupdate(res_state statp,
  * word in the string.
  */
 static int
-getword_str(char *buf, int size, u_char **startpp, u_char *endp) {
+getword_str(char *buf, int size, const u_char **startpp, const u_char *endp) {
         char *cp;
         int c;
  
@@ -692,7 +695,7 @@ getword_str(char *buf, int size, u_char **startpp, u_char *endp) {
  */
 static char digits[] = "0123456789";
 static int
-getstr_str(char *buf, int size, u_char **startpp, u_char *endp) {
+getstr_str(char *buf, int size, const u_char **startpp, const u_char *endp) {
         char *cp;
         int c, c1 = 0;
        int inquote = 0;
@@ -769,12 +772,13 @@ getstr_str(char *buf, int size, u_char **startpp, u_char *endp) {
  * update the start pointer to point after the number in the string.
  */
 static int
-gethexnum_str(u_char **startpp, u_char *endp) {
+gethexnum_str(const u_char **startpp, const u_char *endp) {
         int c, n;
         int seendigit = 0;
         int m = 0;
 
-       if (*startpp + 2 >= endp || strncasecmp((char *)*startpp, "0x", 2) != 0)
+       if (*startpp + 2 >= endp ||
+           strncasecmp((const char *)*startpp, "0x", 2) != 0)
                return getnum_str(startpp, endp);
        (*startpp)+=2;
         for (n = 0; *startpp <= endp; ) {
@@ -817,7 +821,7 @@ gethexnum_str(u_char **startpp, u_char *endp) {
  * update the start pointer to point after the number in the string.
  */
 static int
-getnum_str(u_char **startpp, u_char *endp) {
+getnum_str(const u_char **startpp, const u_char *endp) {
         int c, n;
         int seendigit = 0;
         int m = 0;