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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/va-arg-pack-len-2.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/va-arg-pack-len-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/va-arg-pack-len-2.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/va-arg-pack-len-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/va-arg-pack-len-2.c new file mode 100644 index 000000000..c3fa856fd --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/va-arg-pack-len-2.c @@ -0,0 +1,42 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +#include <stdarg.h> + +extern int error_open_missing_mode (void) + __attribute__((__error__ ("open with O_CREAT needs 3 arguments, only 2 were given"))); +extern int warn_open_too_many_arguments (void) + __attribute__((__warning__ ("open called with more than 3 arguments"))); + +extern int myopen2 (const char *path, int oflag); +extern int myopenva (const char *path, int oflag, ...); + +extern inline __attribute__((always_inline, gnu_inline)) int +myopen (const char *path, int oflag, ...) +{ + if (__builtin_va_arg_pack_len () > 1) + warn_open_too_many_arguments (); /* { dg-warning "called with more than 3" } */ + + if (__builtin_constant_p (oflag)) + { + if ((oflag & 0x40) != 0 && __builtin_va_arg_pack_len () < 1) + { + error_open_missing_mode (); /* { dg-error "needs 3 arguments, only 2 were given" } */ + return myopen2 (path, oflag); + } + return myopenva (path, oflag, __builtin_va_arg_pack ()); + } + + if (__builtin_va_arg_pack_len () < 1) + return myopen2 (path, oflag); + + return myopenva (path, oflag, __builtin_va_arg_pack ()); +} + +int +main (void) +{ + myopen ("h", 0x43); + myopen ("i", 0x43, 0644, 0655); + return 0; +} |