2 /* Two PD getcwd() implementations.
3 Author: Guido van Rossum, CWI Amsterdam, Jan 1991, <guido@cwi.nl>. */
10 /* Version for BSD systems -- use getwd() */
12 #ifdef HAVE_SYS_PARAM_H
13 #include <sys/param.h>
17 #if defined(PATH_MAX) && PATH_MAX > 1024
18 #define MAXPATHLEN PATH_MAX
20 #define MAXPATHLEN 1024
24 extern char *getwd(char *);
27 getcwd(char *buf, int size)
29 char localbuf[MAXPATHLEN+1];
36 ret = getwd(localbuf);
37 if (ret != NULL && strlen(localbuf) >= (size_t)size) {
42 errno = EACCES; /* Most likely error */
45 strncpy(buf, localbuf, size);
49 #else /* !HAVE_GETWD */
51 /* Version for really old UNIX systems -- use pipe from pwd */
54 #define PWD_CMD "/bin/pwd"
58 getcwd(char *buf, int size)
67 if ((fp = popen(PWD_CMD, "r")) == NULL)
69 if (fgets(buf, size, fp) == NULL || (sts = pclose(fp)) != 0) {
70 errno = EACCES; /* Most likely error */
73 for (p = buf; *p != '\n'; p++) {
83 #endif /* !HAVE_GETWD */