diff options
Diffstat (limited to 'io')
| -rw-r--r-- | io/bits/fcntl2.h | 74 |
1 files changed, 48 insertions, 26 deletions
diff --git a/io/bits/fcntl2.h b/io/bits/fcntl2.h index 25ca4110b3..a1b03f6194 100644 --- a/io/bits/fcntl2.h +++ b/io/bits/fcntl2.h @@ -24,7 +24,7 @@ /* Check that calls to open and openat with O_CREAT set have an appropriate third/fourth parameter. */ #ifndef __USE_FILE_OFFSET64 -extern int __open_2 (__const char *__path, int __oflag); +extern int __open_2 (__const char *__path, int __oflag) __nonnull ((1)); #else extern int __REDIRECT (__open_2, (__const char *__file, int __oflag), __open64_2) __nonnull ((1)); @@ -33,22 +33,27 @@ extern int __REDIRECT (__open_2, (__const char *__file, int __oflag), #define open(fname, flags, ...) \ ({ int ___r; \ /* If the compiler complains about an invalid type, excess elements, etc \ - in the initialization this means a paraleter of the wrong type has \ + in the initialization this means a parameter of the wrong type has \ been passed to open. */ \ int ___arr[] = { __VA_ARGS__ }; \ if (__builtin_constant_p (flags) && ((flags) & O_CREAT) != 0) \ { \ - /* If the compile complains about the size of this array type the \ - the mode parameter is missing since O_CREAT has been used. */ \ + /* If the compiler complains about the size of this array type the \ + mode parameter is missing since O_CREAT has been used. */ \ typedef int __open_missing_mode[((flags) & O_CREAT) != 0 \ ? ((long int) sizeof (___arr) \ - (long int) sizeof (int)) : 1]; \ } \ if (sizeof (___arr) == 0) \ - ___r = __open_2 (fname, flags); \ + { \ + if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \ + ___r = open (fname, flags); \ + else \ + ___r = __open_2 (fname, flags); \ + } \ else \ { \ - /* If the compile complains about the size of this array type too \ + /* If the compiler complains about the size of this array type too \ many parameters have been passed to open. */ \ typedef int __open_too_many_args[-(sizeof (___arr) > sizeof (int))]; \ ___r = open (fname, flags, ___arr[0]); \ @@ -58,27 +63,32 @@ extern int __REDIRECT (__open_2, (__const char *__file, int __oflag), #ifdef __USE_LARGEFILE64 -extern int __open64_2 (__const char *__path, int __oflag); +extern int __open64_2 (__const char *__path, int __oflag) __nonnull ((1)); # define open64(fname, flags, ...) \ ({ int ___r; \ /* If the compiler complains about an invalid type, excess elements, etc \ - in the initialization this means a paraleter of the wrong type has \ + in the initialization this means a parameter of the wrong type has \ been passed to open64. */ \ int ___arr[] = { __VA_ARGS__ }; \ if (__builtin_constant_p (flags) && ((flags) & O_CREAT) != 0) \ { \ - /* If the compile complains about the size of this array type the \ - the mode parameter is missing since O_CREAT has been used. */ \ + /* If the compiler complains about the size of this array type the \ + mode parameter is missing since O_CREAT has been used. */ \ typedef int __open_missing_mode[((flags) & O_CREAT) != 0 \ ? ((long int) sizeof (___arr) \ - (long int) sizeof (int)) : 1]; \ } \ if (sizeof (___arr) == 0) \ - ___r = __open64_2 (fname, flags); \ + { \ + if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \ + ___r = open64 (fname, flags); \ + else \ + ___r = __open64_2 (fname, flags); \ + } \ else \ { \ - /* If the compile complains about the size of this array type too \ + /* If the compiler complains about the size of this array type too \ many parameters have been passed to open64. */ \ typedef int __open_too_many_args[-(sizeof (___arr) > sizeof (int))]; \ ___r = open64 (fname, flags, ___arr[0]); \ @@ -89,32 +99,38 @@ extern int __open64_2 (__const char *__path, int __oflag); #ifdef __USE_ATFILE # ifndef __USE_FILE_OFFSET64 -extern int __openat_2 (int __fd, __const char *__path, int __oflag); +extern int __openat_2 (int __fd, __const char *__path, int __oflag) + __nonnull ((2)); # else extern int __REDIRECT (__openat_2, (int __fd, __const char *__file, int __oflag), __openat64_2) - __nonnull ((1)); + __nonnull ((2)); # endif # define openat(fd, fname, flags, ...) \ ({ int ___r; \ /* If the compiler complains about an invalid type, excess elements, etc \ - in the initialization this means a paraleter of the wrong type has \ + in the initialization this means a parameter of the wrong type has \ been passed to openat. */ \ int ___arr[] = { __VA_ARGS__ }; \ if (__builtin_constant_p (flags) && ((flags) & O_CREAT) != 0) \ { \ - /* If the compile complains about the size of this array type the \ - the mode parameter is missing since O_CREAT has been used. */ \ + /* If the compiler complains about the size of this array type the \ + mode parameter is missing since O_CREAT has been used. */ \ typedef int __open_missing_mode[((flags) & O_CREAT) != 0 \ ? ((long int) sizeof (___arr) \ - (long int) sizeof (int)) : 1]; \ } \ if (sizeof (___arr) == 0) \ - ___r = __openat_2 (fd, fname, flags); \ + { \ + if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \ + ___r = openat (fd, fname, flags); \ + else \ + ___r = __openat_2 (fd, fname, flags); \ + } \ else \ { \ - /* If the compile complains about the size of this array type too \ + /* If the compiler complains about the size of this array type too \ many parameters have been passed to openat. */ \ typedef int __open_too_many_args[-(sizeof (___arr) > sizeof (int))]; \ ___r = openat (fd, fname, flags, ___arr[0]); \ @@ -124,28 +140,34 @@ extern int __REDIRECT (__openat_2, (int __fd, __const char *__file, # ifdef __USE_LARGEFILE64 -extern int __openat64_2 (int __fd, __const char *__path, int __oflag); +extern int __openat64_2 (int __fd, __const char *__path, int __oflag) + __nonnull ((2)); # define openat64(fd, fname, flags, ...) \ ({ int ___r; \ /* If the compiler complains about an invalid type, excess elements, etc \ - in the initialization this means a paraleter of the wrong type has \ + in the initialization this means a parameter of the wrong type has \ been passed to openat64. */ \ int ___arr[] = { __VA_ARGS__ }; \ if (__builtin_constant_p (flags) && ((flags) & O_CREAT) != 0) \ { \ - /* If the compile complains about the size of this array type the \ - the mode parameter is missing since O_CREAT has been used. */ \ + /* If the compiler complains about the size of this array type the \ + mode parameter is missing since O_CREAT has been used. */ \ typedef int __open_missing_mode[((flags) & O_CREAT) != 0 \ ? ((long int) sizeof (___arr) \ - (long int) sizeof (int)) : 1]; \ } \ if (sizeof (___arr) == 0) \ - ___r = __openat64_2 (fd, fname, flags); \ + { \ + if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \ + ___r = openat64 (fd, fname, flags); \ + else \ + ___r = __openat64_2 (fd, fname, flags); \ + } \ else \ { \ - /* If the compile complains about the size of this array type too \ - many parameters have been passed to openat. */ \ + /* If the compiler complains about the size of this array type too \ + many parameters have been passed to openat64. */ \ typedef int __open_too_many_args[-(sizeof (___arr) > sizeof (int))]; \ ___r = openat64 (fd, fname, flags, ___arr[0]); \ } \ |