From a7fab534e40ed6f5ffc419d5107fd69a93e1f653 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Thu, 25 Nov 2004 20:05:15 +0000 Subject: Recent getcwd fixes. --- lib/ChangeLog | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) (limited to 'lib') diff --git a/lib/ChangeLog b/lib/ChangeLog index 7d547fa26..d0478ccb4 100644 --- a/lib/ChangeLog +++ b/lib/ChangeLog @@ -1,3 +1,60 @@ +2004-11-25 Paul Eggert + + * mempcpy.c, mempcpy.h: New files, taken from gnulib. + * Makefile.am: (libfetish_a_SOURCES): Add getcwd.h, mempcpy.h. + * getcwd.c: Replace by a copy of glibc/sysdeps/posix/getcwd.c, but + with the following changes. + (__set_errno): Parenthesize properly. + Include . + (MIN, MAX, MATCHING_INO): New macros. + (__getcwd): Define with prototype, not K&R form. + Use heuristics to allocate default buffer on stack if possible. + If AT_FDCWD is defined, use openat and fstatat to avoid O(N**2) + behavior, and to avoid the PATH_MAX limit when computing + ../../../../... + Use MATCHING_INO to compare inode number to file. + Check for arithmetic overflow in size calculations. + Fix bug in reallocation of dot array that caused getcwd to fail + on directories nested deeper than 75. + Be more careful about saving errno on error. + Do not use realloc; use only free+malloc, as this is a bit + more flexible and avoids a needless copy operation. + Do not inspect st_dev and st_ino for symbolic links; POSIX + doesn't specify the latter. + Check for closedir errors. + Avoid needless casts. + Use "#ifdef weak_alias" around weak_alias, to be like other + glibc code. + The following changes to getcwd.c have effect only when used in + gnulib; they have no effect inside glibc proper. + (#pragma alloca) [defined _AIX && !defined __GNUC__]: Remove, + as alloca isn't used. + (alloca, __alloca): Likewise. + [!_LIBC]: Include "getcwd.h", "mempcpy.h". + Include , , , + unconditionally, as gnulib assumes C89 or better. + Do not include . + (errno) [!defined __GNU_LIBRARY__ && !defined STDC_HEADERS]: Remove + no-longer-necessary 'extern int errno' decl; gnulib assumes C89 or + better. + (NULL) [!defined NULL]: Remove; we assume C89 or better. + Include in a way that is compatible with modern Autoconf. + (_D_ALLOC_NAMELEN, _D_EXACT_NAMLEN): + New macros, if not already defined. + Include if _LIBC, not if __GNU_LIBRARY__. + Use "_LIBC", not "defined _LIBC", for consistency. + (HAVE_MEMPCPY): Remove; no longer needed now that gnulib has + a mempcpy module. + (__lstat, __closedir, __opendir, __readdir) [!_LIBC]: New macros. + (GETCWD_RETURN_TYPE): Remove. All uses replaced by char *. + * xgetcwd.c: David MacKenzie's old code was removed, so give + credit only to Jim Meyering and adjust the copyright dates. + Do not include , , , + , , "pathmax.h". + Instead, include "xgetcwd.h" (first) and "getcwd.h". + (INITIAL_BUFFER_SIZE): Remove. + (xgetcwd): Rely on getcwd, since we now depend on a reliable one. + 2004-11-23 Paul Eggert * utimens.c (__attribute__, ATTRIBUTE_UNUSED): New macros. -- cgit v1.2.3-70-g09d2