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[msan] Tweak gethostbyname_r interceptor some more. 

This is covered by msan_test depending on glibc version and/or resolver setup.

llvm-svn: 197484
This commit is contained in:
Evgeniy Stepanov 2013-12-17 09:13:54 +00:00
parent 7da8e45b57
commit 59bb0878e2
1 changed files with 8 additions and 8 deletions
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16
compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
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@ -1229,9 +1229,9 @@ INTERCEPTOR(int, gethostent_r, struct __sanitizer_hostent *ret, char *buf,
COMMON_INTERCEPTOR_ENTER(ctx, gethostent_r, ret, buf, buflen, result,
h_errnop);
int res = REAL(gethostent_r)(ret, buf, buflen, result, h_errnop);
if (res == 0 && result) {
if (result) {
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
if (*result) write_hostent(ctx, *result);
if (res == 0 && *result) write_hostent(ctx, *result);
}
if (h_errnop)
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
@ -1247,9 +1247,9 @@ INTERCEPTOR(int, gethostbyaddr_r, void *addr, int len, int type,
COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len);
int res = REAL(gethostbyaddr_r)(addr, len, type, ret, buf, buflen, result,
h_errnop);
if (res == 0 && result) {
if (result) {
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
if (*result) write_hostent(ctx, *result);
if (res == 0 && *result) write_hostent(ctx, *result);
}
if (h_errnop)
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
@ -1263,9 +1263,9 @@ INTERCEPTOR(int, gethostbyname_r, char *name, struct __sanitizer_hostent *ret,
COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname_r, name, ret, buf, buflen, result,
h_errnop);
int res = REAL(gethostbyname_r)(name, ret, buf, buflen, result, h_errnop);
if (res == 0 && result) {
if (result) {
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
if (*result) write_hostent(ctx, *result);
if (res == 0 && *result) write_hostent(ctx, *result);
}
if (h_errnop)
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
@ -1280,9 +1280,9 @@ INTERCEPTOR(int, gethostbyname2_r, char *name, int af,
result, h_errnop);
int res =
REAL(gethostbyname2_r)(name, af, ret, buf, buflen, result, h_errnop);
if (res == 0 && result) {
if (result) {
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
if (*result) write_hostent(ctx, *result);
if (res == 0 && *result) write_hostent(ctx, *result);
}
if (h_errnop)
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));