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Enable putenv and waitpid (== wait4) for NeXT.

This commit is contained in:
Guido van Rossum 1997-05-22 15:12:39 +00:00
parent b6190d35fc
commit b9f866cb7c
1 changed files with 87 additions and 0 deletions
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87
Modules/posixmodule.c
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@ -123,6 +123,7 @@ PERFORMANCE OF THIS SOFTWARE.
/* NeXT's <unistd.h> and <utime.h> aren't worth much */
#undef HAVE_UNISTD_H
#undef HAVE_UTIME_H
#define HAVE_WAITPID
/* #undef HAVE_GETCWD */
#endif
@ -1168,7 +1169,11 @@ posix_waitpid(self, args)
if (!PyArg_Parse(args, "(ii)", &pid, &options))
return NULL;
Py_BEGIN_ALLOW_THREADS
#ifdef NeXT
pid = wait4(pid, (union wait *)&sts, options, NULL);
#else
pid = waitpid(pid, &sts, options);
#endif
Py_END_ALLOW_THREADS
if (pid == -1)
return posix_error();
@ -1185,7 +1190,11 @@ posix_wait(self, args)
{
int pid, sts;
Py_BEGIN_ALLOW_THREADS
#ifdef NeXT
pid = wait((union wait *)&sts);
#else
pid = wait(&sts);
#endif
Py_END_ALLOW_THREADS
if (pid == -1)
return posix_error();
@ -1616,6 +1625,84 @@ posix_ftruncate(self, args)
}
#endif
#ifdef NeXT
#define HAVE_PUTENV
/* Steve Spicklemire got this putenv from NeXTAnswers */
static int
putenv(char *newval)
{
extern char **environ;
static int firstTime = 1;
char **ep;
char *cp;
int esiz;
char *np;
if (!(np = strchr(newval, '=')))
return 1;
*np = '\0';
/* look it up */
for (ep=environ ; *ep ; ep++)
{
/* this should always be true... */
if (cp = strchr(*ep, '='))
{
*cp = '\0';
if (!strcmp(*ep, newval))
{
/* got it! */
*cp = '=';
break;
}
*cp = '=';
}
else
{
*np = '=';
return 1;
}
}
*np = '=';
if (*ep)
{
/* the string was already there:
just replace it with the new one */
*ep = newval;
return 0;
}
/* expand environ by one */
for (esiz=2, ep=environ ; *ep ; ep++)
esiz++;
if (firstTime)
{
char **epp;
char **newenv;
if (!(newenv = malloc(esiz * sizeof(char *))))
return 1;
for (ep=environ, epp=newenv ; *ep ;)
*epp++ = *ep++;
*epp++ = newval;
*epp = (char *) 0;
environ = newenv;
}
else
{
if (!(environ = realloc(environ, esiz * sizeof(char *))))
return 1;
environ[esiz - 2] = newval;
environ[esiz - 1] = (char *) 0;
firstTime = 0;
}
return 0;
}
#endif NeXT
#ifdef HAVE_PUTENV
static PyObject *
posix_putenv(self,args)