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Implement two suggestions by Jonathan Giddy: (1) in AIX, clear the

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data struct before calling gethostby{name,addr}_r(); (2) ignore the
3/5/6 args determinations made by the configure script and switch on
platform identifiers instead:

AIX, OSF have 3 args
Sun, SGI have 5 args
Linux has 6 args

On all other platforms, undef HAVE_GETHOSTBYNAME_R altogether.
This commit is contained in:
Guido van Rossum 1999-03-24 17:24:33 +00:00
parent 7b6c71f5a4
commit e7de2061b4
1 changed files with 19 additions and 0 deletions
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19
Modules/socketmodule.c
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@ -87,6 +87,22 @@ Socket methods:
#include "Python.h"
#undef HAVE_GETHOSTBYNAME_R_3_ARG
#undef HAVE_GETHOSTBYNAME_R_5_ARG
#undef HAVE_GETHOSTBYNAME_R_6_ARG
#ifdef HAVE_GETHOSTBYNAME_R
#if defined(_AIX) || defined(__osf__)
#define HAVE_GETHOSTBYNAME_R_3_ARG
#elif defined(__sun__) || defined(__sgi)
#define HAVE_GETHOSTBYNAME_R_5_ARG
#elif defined(linux)
#define HAVE_GETHOSTBYNAME_R_6_ARG
#else
#undef HAVE_GETHOSTBYNAME_R
#endif
#endif
#if !defined(HAVE_GETHOSTBYNAME_R) && defined(WITH_THREAD) && !defined(MS_WINDOWS)
#define USE_GETHOSTBYNAME_LOCK
#endif
@ -373,6 +389,7 @@ BUILD_FUNC_DEF_2(setipaddr, char*,name, struct sockaddr_in *,addr_ret)
#elif defined(HAVE_GETHOSTBYNAME_R_5_ARG)
hp = gethostbyname_r(name, &hp_allocated, buf, buf_len, &errnop);
#else /* HAVE_GETHOSTBYNAME_R_3_ARG */
memset((void *) &data, '\0', sizeof(data));
result = gethostbyname_r(name, &hp_allocated, &data);
hp = (result != 0) ? NULL : &hp_allocated;
#endif
@ -1451,6 +1468,7 @@ BUILD_FUNC_DEF_2(PySocket_gethostbyname_ex,PyObject *,self, PyObject *,args)
#elif defined(HAVE_GETHOSTBYNAME_R_5_ARG)
h = gethostbyname_r(name, &hp_allocated, buf, buf_len, &errnop);
#else /* HAVE_GETHOSTBYNAME_R_3_ARG */
memset((void *) &data, '\0', sizeof(data));
result = gethostbyname_r(name, &hp_allocated, &data);
h = (result != 0) ? NULL : &hp_allocated;
#endif
@ -1516,6 +1534,7 @@ BUILD_FUNC_DEF_2(PySocket_gethostbyaddr,PyObject *,self, PyObject *, args)
AF_INET,
&hp_allocated, buf, buf_len, &errnop);
#else /* HAVE_GETHOSTBYNAME_R_3_ARG */
memset((void *) &data, '\0', sizeof(data));
result = gethostbyaddr_r((char *)&addr.sin_addr,
sizeof(addr.sin_addr),
AF_INET, &hp_allocated, &data);