12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879 |
- #if HAVE_CONFIG_H
- # include <config.h>
- #endif
- #include <stdio.h>
- #include <errno.h>
- #ifndef errno
- extern int errno;
- #endif
- #include <sys/types.h>
- #if HAVE_STDLIB_H
- # include <stdlib.h>
- #endif
- #if HAVE_UNISTD_H
- # include <unistd.h>
- #endif
- #if HAVE_GETCWD
- char *getcwd ();
- #else
- char *getwd ();
- # define getcwd(Buf, Max) getwd (Buf)
- #endif
- #include "xalloc.h"
- char *
- xgetcwd ()
- {
- #if defined __GLIBC__ && __GLIBC__ >= 2
- return getcwd (NULL, 0);
- #else
- size_t buf_size = 128;
- char *buf = NULL;
- while (1)
- {
- char *cwd;
- buf = (char *) xrealloc (buf, buf_size);
- cwd = getcwd (buf, buf_size);
- if (cwd != NULL)
- return cwd;
- if (errno != ERANGE)
- {
- free (buf);
- return NULL;
- }
- buf_size *= 2;
- if (buf_size == 0)
- xalloc_die ();
- }
- #endif
- }
|