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authorJakub Jelinek <jakub@redhat.com>2007-08-04 20:09:21 +0000
committerJakub Jelinek <jakub@redhat.com>2007-08-04 20:09:21 +0000
commit9accc268ff459da548caa2a280d488fbcc4682a4 (patch)
tree4e891465c604cd31f54cb5d4ae7edb8cc8a9e21b /io
parentc8ccd8e3a2a90e1478b856aee8fd18a2a3852682 (diff)
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* io/bits/fcntl2.h (open, open64, openat, openat64): Add
__extension__ around the whole statement expression. 2007-08-04 Jakub Jelinek <jakub@redhat.com> * io/bits/fcntl2.h (open, open64, openat, openat64): Add __extension__ around the whole statement expression.
Diffstat (limited to 'io')
-rw-r--r--io/bits/fcntl2.h240
1 files changed, 124 insertions, 116 deletions
diff --git a/io/bits/fcntl2.h b/io/bits/fcntl2.h
index a1b03f6..5b9fcd5 100644
--- a/io/bits/fcntl2.h
+++ b/io/bits/fcntl2.h
@@ -31,70 +31,74 @@ extern int __REDIRECT (__open_2, (__const char *__file, int __oflag),
#endif
#define open(fname, flags, ...) \
- ({ int ___r; \
- /* If the compiler complains about an invalid type, excess elements, etc \
- 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 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) \
- { \
- if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \
- ___r = open (fname, flags); \
- else \
- ___r = __open_2 (fname, flags); \
- } \
- else \
- { \
- /* 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]); \
- } \
- ___r; \
- })
+ (__extension__ \
+ ({ int ___r; \
+ /* If the compiler complains about an invalid type, excess elements, \
+ etc. 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 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) \
+ { \
+ if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \
+ ___r = open (fname, flags); \
+ else \
+ ___r = __open_2 (fname, flags); \
+ } \
+ else \
+ { \
+ /* 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]); \
+ } \
+ ___r; \
+ }))
#ifdef __USE_LARGEFILE64
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 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 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) \
- { \
- if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \
- ___r = open64 (fname, flags); \
- else \
- ___r = __open64_2 (fname, flags); \
- } \
- else \
- { \
- /* 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]); \
- } \
- ___r; \
- })
+ (__extension__ \
+ ({ int ___r; \
+ /* If the compiler complains about an invalid type, excess elements, \
+ etc. 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 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) \
+ { \
+ if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \
+ ___r = open64 (fname, flags); \
+ else \
+ ___r = __open64_2 (fname, flags); \
+ } \
+ else \
+ { \
+ /* 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]); \
+ } \
+ ___r; \
+ }))
#endif
#ifdef __USE_ATFILE
@@ -108,35 +112,37 @@ extern int __REDIRECT (__openat_2, (int __fd, __const char *__file,
# 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 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 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) \
- { \
- if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \
- ___r = openat (fd, fname, flags); \
- else \
- ___r = __openat_2 (fd, fname, flags); \
- } \
- else \
- { \
- /* 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]); \
- } \
- ___r; \
- })
+ (__extension__ \
+ ({ int ___r; \
+ /* If the compiler complains about an invalid type, excess elements, \
+ etc. 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 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) \
+ { \
+ if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \
+ ___r = openat (fd, fname, flags); \
+ else \
+ ___r = __openat_2 (fd, fname, flags); \
+ } \
+ else \
+ { \
+ /* 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]); \
+ } \
+ ___r; \
+ }))
# ifdef __USE_LARGEFILE64
@@ -144,34 +150,36 @@ 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 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 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) \
- { \
- if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \
- ___r = openat64 (fd, fname, flags); \
- else \
- ___r = __openat64_2 (fd, fname, flags); \
- } \
- else \
- { \
- /* 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]); \
- } \
- ___r; \
- })
+ (__extension__ \
+ ({ int ___r; \
+ /* If the compiler complains about an invalid type, excess elements, \
+ etc. 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 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) \
+ { \
+ if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0) \
+ ___r = openat64 (fd, fname, flags); \
+ else \
+ ___r = __openat64_2 (fd, fname, flags); \
+ } \
+ else \
+ { \
+ /* 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]); \
+ } \
+ ___r; \
+ }))
# endif
#endif