diff options
Diffstat (limited to 'm4/getcwd-path-max.m4')
| -rw-r--r-- | m4/getcwd-path-max.m4 | 110 |
1 files changed, 55 insertions, 55 deletions
diff --git a/m4/getcwd-path-max.m4 b/m4/getcwd-path-max.m4 index ecf6192..5e6d58b 100644 --- a/m4/getcwd-path-max.m4 +++ b/m4/getcwd-path-max.m4 @@ -1,4 +1,4 @@ -# serial 14 +#serial 13 # Check for several getcwd bugs with long file names. # If so, arrange to compile the wrapper function. @@ -6,7 +6,7 @@ # I've heard that this is due to a Linux kernel bug, and that it has # been fixed between 2.4.21-pre3 and 2.4.21-pre4. */ -# Copyright (C) 2003-2007, 2009-2010 Free Software Foundation, Inc. +# Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -15,7 +15,7 @@ AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX], [ - AC_CHECK_DECLS_ONCE([getcwd]) + AC_CHECK_DECLS_ONCE(getcwd) AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) AC_CACHE_CHECK([whether getcwd handles long file names properly], gl_cv_func_getcwd_path_max, @@ -23,7 +23,7 @@ AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX], ac_clean_files="$ac_clean_files confdir3" AC_RUN_IFELSE( [AC_LANG_SOURCE( - [[ + [[ #include <errno.h> #include <stdlib.h> #include <unistd.h> @@ -77,7 +77,7 @@ main () exit (0); #else char buf[PATH_MAX * (DIR_NAME_SIZE / DOTDOTSLASH_LEN + 1) - + DIR_NAME_SIZE + BUF_SLOP]; + + DIR_NAME_SIZE + BUF_SLOP]; char *cwd = getcwd (buf, PATH_MAX); size_t initial_cwd_len; size_t cwd_len; @@ -96,58 +96,58 @@ main () cwd_len += DIR_NAME_SIZE; /* If mkdir or chdir fails, it could be that this system cannot create - any file with an absolute name longer than PATH_MAX, such as cygwin. - If so, leave fail as 0, because the current working directory can't - be too long for getcwd if it can't even be created. For other - errors, be pessimistic and consider that as a failure, too. */ + any file with an absolute name longer than PATH_MAX, such as cygwin. + If so, leave fail as 0, because the current working directory can't + be too long for getcwd if it can't even be created. For other + errors, be pessimistic and consider that as a failure, too. */ if (mkdir (DIR_NAME, S_IRWXU) < 0 || chdir (DIR_NAME) < 0) - { - if (! (errno == ERANGE || is_ENAMETOOLONG (errno))) - fail = 2; - break; - } + { + if (! (errno == ERANGE || is_ENAMETOOLONG (errno))) + fail = 2; + break; + } if (PATH_MAX <= cwd_len && cwd_len < PATH_MAX + DIR_NAME_SIZE) - { - c = getcwd (buf, PATH_MAX); - if (!c && errno == ENOENT) - { - fail = 1; - break; - } - if (c || ! (errno == ERANGE || is_ENAMETOOLONG (errno))) - { - fail = 2; - break; - } - } + { + c = getcwd (buf, PATH_MAX); + if (!c && errno == ENOENT) + { + fail = 1; + break; + } + if (c || ! (errno == ERANGE || is_ENAMETOOLONG (errno))) + { + fail = 2; + break; + } + } if (dotdot_max <= cwd_len - initial_cwd_len) - { - if (dotdot_max + DIR_NAME_SIZE < cwd_len - initial_cwd_len) - break; - c = getcwd (buf, cwd_len + 1); - if (!c) - { - if (! (errno == ERANGE || errno == ENOENT - || is_ENAMETOOLONG (errno))) - { - fail = 2; - break; - } - if (AT_FDCWD || errno == ERANGE || errno == ENOENT) - { - fail = 1; - break; - } - } - } + { + if (dotdot_max + DIR_NAME_SIZE < cwd_len - initial_cwd_len) + break; + c = getcwd (buf, cwd_len + 1); + if (!c) + { + if (! (errno == ERANGE || errno == ENOENT + || is_ENAMETOOLONG (errno))) + { + fail = 2; + break; + } + if (AT_FDCWD || errno == ERANGE || errno == ENOENT) + { + fail = 1; + break; + } + } + } if (c && strlen (c) != cwd_len) - { - fail = 2; - break; - } + { + fail = 2; + break; + } ++n_chdirs; } @@ -161,10 +161,10 @@ main () rmdir (DIR_NAME); for (i = 0; i <= n_chdirs; i++) { - if (chdir ("..") < 0) - break; - if (rmdir (DIR_NAME) != 0) - break; + if (chdir ("..") < 0) + break; + if (rmdir (DIR_NAME) != 0) + break; } } @@ -181,7 +181,7 @@ main () ]) case $gl_cv_func_getcwd_path_max in no,*) - AC_DEFINE([HAVE_PARTLY_WORKING_GETCWD], [1], + AC_DEFINE([HAVE_PARTLY_WORKING_GETCWD], 1, [Define to 1 if getcwd works, except it sometimes fails when it shouldn't, setting errno to ERANGE, ENAMETOOLONG, or ENOENT. If __GETCWD_PREFIX is not defined, it doesn't matter whether HAVE_PARTLY_WORKING_GETCWD |