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| author | Daniel Stenberg <daniel@haxx.se> | 2002-09-30 08:07:16 +0000 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2002-09-30 08:07:16 +0000 |
| commit | 84fa12c8853a45ee0f043326f0f6689d470fb1bd (patch) | |
| tree | acb1c6ed815c77d0d3586a5e63f6c7f13d54e8fe /lib | |
| parent | 296b35fe9b796a50323f19c84ff0075e4702004b (diff) | |
| download | curl-84fa12c8853a45ee0f043326f0f6689d470fb1bd.tar.gz | |
Cris Bailiff found this flaw, gethostbyname_r() on linux returns 0 even
when it can't lookup the name (at least in some cases) and thus we need
to make an extra check to detect failures.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/hostip.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/hostip.c b/lib/hostip.c index 5876396b7..42cac0501 100644 --- a/lib/hostip.c +++ b/lib/hostip.c @@ -605,6 +605,8 @@ Curl_addrinfo *Curl_getaddrinfo(struct SessionHandle *data, &h_errnop))==ERANGE) { step_size+=200; } + if(!h) /* failure */ + res=1; #ifdef MALLOCDEBUG infof(data, "gethostbyname_r() uses %d bytes\n", step_size); |