/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O2" } */
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/* { dg-options "-O2" } */
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#include <stdarg.h>
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#include <stdarg.h>
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extern int error_open_missing_mode (void)
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extern int error_open_missing_mode (void)
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__attribute__((__error__ ("open with O_CREAT needs 3 arguments, only 2 were given")));
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__attribute__((__error__ ("open with O_CREAT needs 3 arguments, only 2 were given")));
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extern int warn_open_too_many_arguments (void)
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extern int warn_open_too_many_arguments (void)
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__attribute__((__warning__ ("open called with more than 3 arguments")));
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__attribute__((__warning__ ("open called with more than 3 arguments")));
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extern int myopen2 (const char *path, int oflag);
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extern int myopen2 (const char *path, int oflag);
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extern int myopenva (const char *path, int oflag, ...);
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extern int myopenva (const char *path, int oflag, ...);
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extern inline __attribute__((always_inline, gnu_inline)) int
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extern inline __attribute__((always_inline, gnu_inline)) int
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myopen (const char *path, int oflag, ...)
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myopen (const char *path, int oflag, ...)
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{
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{
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if (__builtin_va_arg_pack_len () > 1)
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if (__builtin_va_arg_pack_len () > 1)
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warn_open_too_many_arguments (); /* { dg-warning "called with more than 3" } */
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warn_open_too_many_arguments (); /* { dg-warning "called with more than 3" } */
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if (__builtin_constant_p (oflag))
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if (__builtin_constant_p (oflag))
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{
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{
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if ((oflag & 0x40) != 0 && __builtin_va_arg_pack_len () < 1)
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if ((oflag & 0x40) != 0 && __builtin_va_arg_pack_len () < 1)
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{
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{
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error_open_missing_mode (); /* { dg-error "needs 3 arguments, only 2 were given" } */
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error_open_missing_mode (); /* { dg-error "needs 3 arguments, only 2 were given" } */
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return myopen2 (path, oflag);
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return myopen2 (path, oflag);
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}
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}
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return myopenva (path, oflag, __builtin_va_arg_pack ());
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return myopenva (path, oflag, __builtin_va_arg_pack ());
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}
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}
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if (__builtin_va_arg_pack_len () < 1)
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if (__builtin_va_arg_pack_len () < 1)
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return myopen2 (path, oflag);
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return myopen2 (path, oflag);
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return myopenva (path, oflag, __builtin_va_arg_pack ());
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return myopenva (path, oflag, __builtin_va_arg_pack ());
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}
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}
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int
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int
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main (void)
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main (void)
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{
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{
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myopen ("h", 0x43);
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myopen ("h", 0x43);
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myopen ("i", 0x43, 0644, 0655);
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myopen ("i", 0x43, 0644, 0655);
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return 0;
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return 0;
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}
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}
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