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authorDaniel Sabogal <dsabogalcc@gmail.com>2016-09-23 21:10:07 -0400
committerRich Felker <dalias@aerifal.cx>2016-09-24 01:10:23 -0400
commit8d7a3f40c8de414122eb8eb2131291782ee8ed15 (patch)
treed49133e15f34e1690820db11d60d6541e5926053 /src
parentd917ef0b8468f77634df59a1a6650aff5adb6b6a (diff)
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fix getservby*_r result pointer value on error
this is a clone of the fix to the gethostby*_r functions in commit fe82bb9b921be34370e6b71a1c6f062c20999ae0. the man pages document that the getservby*_r functions set this pointer to NULL if there was an error or if no record was found.
Diffstat (limited to 'src')
-rw-r--r--src/network/getservbyname_r.c2
-rw-r--r--src/network/getservbyport_r.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/src/network/getservbyname_r.c b/src/network/getservbyname_r.c
index 056c2f33..ad3d6164 100644
--- a/src/network/getservbyname_r.c
+++ b/src/network/getservbyname_r.c
@@ -15,6 +15,8 @@ int getservbyname_r(const char *name, const char *prots,
struct service servs[MAXSERVS];
int cnt, proto, align;
+ *res = 0;
+
/* Align buffer */
align = -(uintptr_t)buf & ALIGN-1;
if (buflen < 2*sizeof(char *)+align)
diff --git a/src/network/getservbyport_r.c b/src/network/getservbyport_r.c
index a0a7caec..0ae0e415 100644
--- a/src/network/getservbyport_r.c
+++ b/src/network/getservbyport_r.c
@@ -20,6 +20,7 @@ int getservbyport_r(int port, const char *prots,
if (r) r = getservbyport_r(port, "udp", se, buf, buflen, res);
return r;
}
+ *res = 0;
/* Align buffer */
i = (uintptr_t)buf & sizeof(char *)-1;