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-rw-r--r--resolv/res_send.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/resolv/res_send.c b/resolv/res_send.c
index f46630d30f..ce7127e1b1 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -186,12 +186,12 @@ evNowTime(struct timespec *res) {
static int send_vc(res_state, const u_char *, int,
const u_char *, int,
u_char **, int *, int *, int, u_char **,
- u_char **, int *, int *);
+ u_char **, int *, int *, int *);
static int send_dg(res_state, const u_char *, int,
const u_char *, int,
u_char **, int *, int *, int,
int *, int *, u_char **,
- u_char **, int *, int *);
+ u_char **, int *, int *, int *);
#ifdef DEBUG
static void Aerror(const res_state, FILE *, const char *, int,
const struct sockaddr *);
@@ -343,7 +343,7 @@ int
__libc_res_nsend(res_state statp, const u_char *buf, int buflen,
const u_char *buf2, int buflen2,
u_char *ans, int anssiz, u_char **ansp, u_char **ansp2,
- int *nansp2, int *resplen2)
+ int *nansp2, int *resplen2, int *ansp2_malloced)
{
int gotsomewhere, terrno, try, v_circuit, resplen, ns, n;
@@ -546,7 +546,8 @@ __libc_res_nsend(res_state statp, const u_char *buf, int buflen,
try = statp->retry;
n = send_vc(statp, buf, buflen, buf2, buflen2,
&ans, &anssiz, &terrno,
- ns, ansp, ansp2, nansp2, resplen2);
+ ns, ansp, ansp2, nansp2, resplen2,
+ ansp2_malloced);
if (n < 0)
return (-1);
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
@@ -556,7 +557,7 @@ __libc_res_nsend(res_state statp, const u_char *buf, int buflen,
n = send_dg(statp, buf, buflen, buf2, buflen2,
&ans, &anssiz, &terrno,
ns, &v_circuit, &gotsomewhere, ansp,
- ansp2, nansp2, resplen2);
+ ansp2, nansp2, resplen2, ansp2_malloced);
if (n < 0)
return (-1);
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
@@ -646,7 +647,7 @@ res_nsend(res_state statp,
const u_char *buf, int buflen, u_char *ans, int anssiz)
{
return __libc_res_nsend(statp, buf, buflen, NULL, 0, ans, anssiz,
- NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL, NULL, NULL);
}
libresolv_hidden_def (res_nsend)
@@ -657,7 +658,7 @@ send_vc(res_state statp,
const u_char *buf, int buflen, const u_char *buf2, int buflen2,
u_char **ansp, int *anssizp,
int *terrno, int ns, u_char **anscp, u_char **ansp2, int *anssizp2,
- int *resplen2)
+ int *resplen2, int *ansp2_malloced)
{
const HEADER *hp = (HEADER *) buf;
const HEADER *hp2 = (HEADER *) buf2;
@@ -823,6 +824,8 @@ send_vc(res_state statp,
}
*thisanssizp = MAXPACKET;
*thisansp = newp;
+ if (thisansp == ansp2)
+ *ansp2_malloced = 1;
anhp = (HEADER *) newp;
len = rlen;
} else {
@@ -992,7 +995,7 @@ send_dg(res_state statp,
const u_char *buf, int buflen, const u_char *buf2, int buflen2,
u_char **ansp, int *anssizp,
int *terrno, int ns, int *v_circuit, int *gotsomewhere, u_char **anscp,
- u_char **ansp2, int *anssizp2, int *resplen2)
+ u_char **ansp2, int *anssizp2, int *resplen2, int *ansp2_malloced)
{
const HEADER *hp = (HEADER *) buf;
const HEADER *hp2 = (HEADER *) buf2;
@@ -1238,6 +1241,8 @@ send_dg(res_state statp,
if (newp != NULL) {
*anssizp = MAXPACKET;
*thisansp = ans = newp;
+ if (thisansp == ansp2)
+ *ansp2_malloced = 1;
}
}
HEADER *anhp = (HEADER *) *thisansp;