diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/generic/ldsodefs.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index 0495f85..8759f6e 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -744,15 +744,26 @@ extern void _dl_dprintf (int fd, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 2, 3))) attribute_hidden; #else +#if defined(__clang__) +#include <stdarg.h> +#endif __attribute__ ((always_inline, __format__ (__printf__, 2, 3))) static inline void _dl_dprintf (int fd, const char *fmt, ...) { - /* Use local declaration to avoid includign <stdio.h>. */ - extern int __dprintf(int fd, const char *format, ...) attribute_hidden; #if defined(__clang__) - __dprintf (fd, fmt); + /* In the absence of __builtin_va_arg_pack, use varargs macros to construct a + direct call to the stdio function that __dprintf eventually gets to. This + is not a robust hack, will break if stdio changes much. */ + extern int _IO_vdprintf (int d, const char *format, va_list arg); + va_list arg; + + va_start (arg, fmt); + _IO_vdprintf (fd, fmt, arg); + va_end (arg); #else + /* Use local declaration to avoid includign <stdio.h>. */ + extern int __dprintf(int fd, const char *format, ...) attribute_hidden; __dprintf (fd, fmt, __builtin_va_arg_pack ()); #endif } |