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Revision f38b2b4ab13633d7cc1348ba8b083605a5d41a90 authored by Florent Xicluna on 20 March 2010, 20:38:20 UTC, committed by Florent Xicluna on 20 March 2010, 20:38:20 UTC
svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r79144 | florent.xicluna | 2010-03-20 21:30:53 +0100 (sam, 20 mar 2010) | 2 lines #8133: Use appropriate Unicode decomposition on MacOS X platform. ........
1 parent 7c4afcb
Tip revision: f38b2b4ab13633d7cc1348ba8b083605a5d41a90 authored by Florent Xicluna on 20 March 2010, 20:38:20 UTC
Merged revisions 79144 via svnmerge from
Merged revisions 79144 via svnmerge from
Tip revision: f38b2b4
getcwd.c
/* Two PD getcwd() implementations.
Author: Guido van Rossum, CWI Amsterdam, Jan 1991, <guido@cwi.nl>. */
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_GETWD
/* Version for BSD systems -- use getwd() */
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifndef MAXPATHLEN
#if defined(PATH_MAX) && PATH_MAX > 1024
#define MAXPATHLEN PATH_MAX
#else
#define MAXPATHLEN 1024
#endif
#endif
extern char *getwd(char *);
char *
getcwd(char *buf, int size)
{
char localbuf[MAXPATHLEN+1];
char *ret;
if (size <= 0) {
errno = EINVAL;
return NULL;
}
ret = getwd(localbuf);
if (ret != NULL && strlen(localbuf) >= (size_t)size) {
errno = ERANGE;
return NULL;
}
if (ret == NULL) {
errno = EACCES; /* Most likely error */
return NULL;
}
strncpy(buf, localbuf, size);
return buf;
}
#else /* !HAVE_GETWD */
/* Version for really old UNIX systems -- use pipe from pwd */
#ifndef PWD_CMD
#define PWD_CMD "/bin/pwd"
#endif
char *
getcwd(char *buf, int size)
{
FILE *fp;
char *p;
int sts;
if (size <= 0) {
errno = EINVAL;
return NULL;
}
if ((fp = popen(PWD_CMD, "r")) == NULL)
return NULL;
if (fgets(buf, size, fp) == NULL || (sts = pclose(fp)) != 0) {
errno = EACCES; /* Most likely error */
return NULL;
}
for (p = buf; *p != '\n'; p++) {
if (*p == '\0') {
errno = ERANGE;
return NULL;
}
}
*p = '\0';
return buf;
}
#endif /* !HAVE_GETWD */
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