X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fopenat.c;h=f2eac868d447c9829100f003345cc4d6c31ef785;hb=fe36c7a0984ab97b84f3909cd1d2be5e91706515;hp=aae77824ab045afe4199839fa60639df3ad6672a;hpb=100bccc49b23e2674a660653fa8036af3730f564;p=gnulib.git diff --git a/lib/openat.c b/lib/openat.c index aae77824a..f2eac868d 100644 --- a/lib/openat.c +++ b/lib/openat.c @@ -1,5 +1,5 @@ /* provide a replacement openat function - Copyright (C) 2004-2009 Free Software Foundation, Inc. + Copyright (C) 2004-2010 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -47,7 +47,7 @@ rpl_openat (int dfd, char const *filename, int flags, ...) va_start (arg, flags); /* We have to use PROMOTED_MODE_T instead of mode_t, otherwise GCC 4 - creates crashing code when 'mode_t' is smaller than 'int'. */ + creates crashing code when 'mode_t' is smaller than 'int'. */ mode = va_arg (arg, PROMOTED_MODE_T); va_end (arg); @@ -79,10 +79,10 @@ rpl_openat (int dfd, char const *filename, int flags, ...) { size_t len = strlen (filename); if (len > 0 && filename[len - 1] == '/') - { - errno = EISDIR; - return -1; - } + { + errno = EISDIR; + return -1; + } } #endif @@ -106,16 +106,16 @@ rpl_openat (int dfd, char const *filename, int flags, ...) /* We know len is positive, since open did not fail with ENOENT. */ size_t len = strlen (filename); if (filename[len - 1] == '/') - { - struct stat statbuf; - - if (fstat (fd, &statbuf) >= 0 && !S_ISDIR (statbuf.st_mode)) - { - close (fd); - errno = ENOTDIR; - return -1; - } - } + { + struct stat statbuf; + + if (fstat (fd, &statbuf) >= 0 && !S_ISDIR (statbuf.st_mode)) + { + close (fd); + errno = ENOTDIR; + return -1; + } + } } #endif @@ -143,7 +143,7 @@ openat (int fd, char const *file, int flags, ...) va_start (arg, flags); /* We have to use PROMOTED_MODE_T instead of mode_t, otherwise GCC 4 - creates crashing code when 'mode_t' is smaller than 'int'. */ + creates crashing code when 'mode_t' is smaller than 'int'. */ mode = va_arg (arg, PROMOTED_MODE_T); va_end (arg); @@ -165,7 +165,7 @@ openat (int fd, char const *file, int flags, ...) int openat_permissive (int fd, char const *file, int flags, mode_t mode, - int *cwd_errno) + int *cwd_errno) { struct saved_cwd saved_cwd; int saved_errno; @@ -180,18 +180,18 @@ openat_permissive (int fd, char const *file, int flags, mode_t mode, char *proc_file = openat_proc_name (buf, fd, file); if (proc_file) { - int open_result = open (proc_file, flags, mode); - int open_errno = errno; - if (proc_file != buf) - free (proc_file); - /* If the syscall succeeds, or if it fails with an unexpected - errno value, then return right away. Otherwise, fall through - and resort to using save_cwd/restore_cwd. */ - if (0 <= open_result || ! EXPECTED_ERRNO (open_errno)) - { - errno = open_errno; - return open_result; - } + int open_result = open (proc_file, flags, mode); + int open_errno = errno; + if (proc_file != buf) + free (proc_file); + /* If the syscall succeeds, or if it fails with an unexpected + errno value, then return right away. Otherwise, fall through + and resort to using save_cwd/restore_cwd. */ + if (0 <= open_result || ! EXPECTED_ERRNO (open_errno)) + { + errno = open_errno; + return open_result; + } } } @@ -199,7 +199,7 @@ openat_permissive (int fd, char const *file, int flags, mode_t mode, if (! save_ok) { if (! cwd_errno) - openat_save_fail (errno); + openat_save_fail (errno); *cwd_errno = errno; } if (0 <= fd && fd == saved_cwd.desc) @@ -220,17 +220,17 @@ openat_permissive (int fd, char const *file, int flags, mode_t mode, err = open (file, flags, mode); saved_errno = errno; if (save_ok && restore_cwd (&saved_cwd) != 0) - { - if (! cwd_errno) - { - /* Don't write a message to just-created fd 2. */ - saved_errno = errno; - if (err == STDERR_FILENO) - close (err); - openat_restore_fail (saved_errno); - } - *cwd_errno = errno; - } + { + if (! cwd_errno) + { + /* Don't write a message to just-created fd 2. */ + saved_errno = errno; + if (err == STDERR_FILENO) + close (err); + openat_restore_fail (saved_errno); + } + *cwd_errno = errno; + } } free_cwd (&saved_cwd); @@ -251,11 +251,11 @@ openat_needs_fchdir (void) char buf[OPENAT_BUFFER_SIZE]; char *proc_file = openat_proc_name (buf, fd, "."); if (proc_file) - { - needs_fchdir = false; - if (proc_file != buf) - free (proc_file); - } + { + needs_fchdir = false; + if (proc_file != buf) + free (proc_file); + } close (fd); }