diff options
Diffstat (limited to 'sysdeps/posix')
| -rw-r--r-- | sysdeps/posix/getcwd.c | 12 | ||||
| -rw-r--r-- | sysdeps/posix/mk-stdiolim.c | 26 |
2 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/posix/getcwd.c b/sysdeps/posix/getcwd.c index d40d8d6822..c7fda3eb2c 100644 --- a/sysdeps/posix/getcwd.c +++ b/sysdeps/posix/getcwd.c @@ -217,6 +217,7 @@ __getcwd (buf, size) char *path; register char *pathp; struct stat st; + int prev_errno = errno; if (size == 0) { @@ -310,6 +311,9 @@ __getcwd (buf, size) dirstream = __opendir (dotp); if (dirstream == NULL) goto lose; + /* Clear errno to distinguish EOF from error if readdir returns + NULL. */ + __set_errno (0); while ((d = __readdir (dirstream)) != NULL) { if (d->d_name[0] == '.' && @@ -343,6 +347,10 @@ __getcwd (buf, size) { int save = errno; (void) __closedir (dirstream); + if (save == 0) + /* EOF on dirstream, which means that the current directory + has been removed. */ + save = ENOENT; __set_errno (save); goto lose; } @@ -393,6 +401,10 @@ __getcwd (buf, size) free ((__ptr_t) dotlist); memmove (path, pathp, path + size - pathp); + + /* Restore errno on successful return. */ + __set_errno (prev_errno); + return path; lose: diff --git a/sysdeps/posix/mk-stdiolim.c b/sysdeps/posix/mk-stdiolim.c index 7009c4ef10..c268b642de 100644 --- a/sysdeps/posix/mk-stdiolim.c +++ b/sysdeps/posix/mk-stdiolim.c @@ -21,6 +21,32 @@ int main() { + /* Print copyright message. */ + printf ("\ +/* Stdio limits for POSIX systems.\n\ + Copyright (C) 1994, 1997 Free Software Foundation, Inc.\n\ + This file is part of the GNU C Library.\n\ +\n\ + The GNU C Library is free software; you can redistribute it and/or\n\ + modify it under the terms of the GNU Library General Public License as\n\ + published by the Free Software Foundation; either version 2 of the\n\ + License, or (at your option) any later version.\n\ +\n\ + The GNU C Library is distributed in the hope that it will be useful,\n\ + but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n\ + Library General Public License for more details.\n\ +\n\ + You should have received a copy of the GNU Library General Publicn\n\ + License along with the GNU C Library; see the file COPYING.LIB. If not,\n\ + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,\n\ + Boston, MA 02111-1307, USA. */\n\ +\n\ +#ifndef _STDIO_H\n\ +# error \"Never include <bits/stdio_lim.h> directly; use <stdio.h> instead.\"\n\ +#endif\n\ +\n"); + /* These values correspond to the code in sysdeps/posix/tempname.c. Change the values here if you change that code. */ printf ("#define L_tmpnam %u\n", sizeof ("/usr/tmp/") + 9); |