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Diffstat (limited to 'soong/linux_glibc/unused-parameter.h')
| -rw-r--r-- | soong/linux_glibc/unused-parameter.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/soong/linux_glibc/unused-parameter.h b/soong/linux_glibc/unused-parameter.h new file mode 100644 index 0000000..53474b5 --- /dev/null +++ b/soong/linux_glibc/unused-parameter.h @@ -0,0 +1,20 @@ +/* _GL_UNUSED_PARAMETER is a marker that can be appended to function parameter + declarations for parameters that are not used. This helps to reduce + warnings, such as from GCC -Wunused-parameter. The syntax is as follows: + type param _GL_UNUSED_PARAMETER + or more generally + param_decl _GL_UNUSED_PARAMETER + For example: + int param _GL_UNUSED_PARAMETER + int *(*param)(void) _GL_UNUSED_PARAMETER + Other possible, but obscure and discouraged syntaxes: + int _GL_UNUSED_PARAMETER *(*param)(void) + _GL_UNUSED_PARAMETER int *(*param)(void) + */ +#ifndef _GL_UNUSED_PARAMETER +# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) +# define _GL_UNUSED_PARAMETER __attribute__ ((__unused__)) +# else +# define _GL_UNUSED_PARAMETER +# endif +#endif |