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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [va-arg-pack-len-2.c] - Rev 414
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/* { 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; }
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