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Bug #17108

closed

error: initialization of ‘long unsigned int’ from ‘void *’ makes integer from pointer without a cast

Bug #17108: error: initialization of ‘long unsigned int’ from ‘void *’ makes integer from pointer without a cast

Added by aotto1968 (Andreas Otto) over 5 years ago. Updated about 5 years ago.

Status:
Rejected
Assignee:
-
Target version:
-
ruby -v:
ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [x86_64-linux-gnu]
[ruby-core:99522]

Description

It seems that the "OPTIMIZATION" macro for "rb_funcall" causes something bad.

|| CC rubymsgque_la-misc_ruby.lo || .../misc_ruby.c: In function ‘rubymsgque_OtCheckCallable’: .../misc_ruby.c|430 col 18| error: initialization of ‘long unsigned int’ from ‘void *’ makes integer from pointer without a cast [-Werror=int-conversion] || MQ_INT arity = VAL2INT(rb_funcall(val,NS(id_arity),0,NULL)); || ^~~~~~~ .../misc_ruby.c|430 col 18| note: (near initialization for ‘rb_funcall_args[0]’) || cc1: all warnings being treated as errors MQ_INT arity = VAL2INT(rb_funcall(val,NS(id_arity),0,NULL)); #define VAL2INT(val) (MQ_INT)NUM2INT(val) ID NS(id_arity); #if defined(__GNUC__) && defined(HAVE_VA_ARGS_MACRO) && defined(__OPTIMIZE__) # define rb_yield_values(argc, ...) \ __extension__({ \ const int rb_yield_values_argc = (argc); \ const VALUE rb_yield_values_args[] = {__VA_ARGS__}; \ const int rb_yield_values_nargs = \ (int)(sizeof(rb_yield_values_args) / sizeof(VALUE)); \ rb_yield_values2( \ rb_varargs_argc_check(rb_yield_values_argc, rb_yield_values_nargs), \ rb_yield_values_nargs ? rb_yield_values_args : NULL); \ }) # define rb_funcall(recv, mid, argc, ...) \ __extension__({ \ const int rb_funcall_argc = (argc); \ const VALUE rb_funcall_args[] = {__VA_ARGS__}; \ const int rb_funcall_nargs = \ (int)(sizeof(rb_funcall_args) / sizeof(VALUE)); \ rb_funcallv(recv, mid, \ rb_varargs_argc_check(rb_funcall_argc, rb_funcall_nargs), \ rb_funcall_nargs ? rb_funcall_args : NULL); \ }) #endif 

Updated by aotto1968 (Andreas Otto) over 5 years ago Actions #1 [ruby-core:99523]

  • ruby -v changed from ruby 2.6.1p33 (2019-01-30 revision 66950) [x86_64-linux-gnu] to ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [x86_64-linux-gnu]

tested with latest RUBY -> same warning=error

Updated by nobu (Nobuyoshi Nakada) over 5 years ago Actions #2 [ruby-core:99562]

  • Description updated (diff)
  • Status changed from Open to Rejected

rb_funcall expects a list of VALUEs after the number of arguments.
I think you'll want to write:

 MQ_INT arity = VAL2INT(rb_funcall(val,NS(id_arity),0)); 

or use rb_funcallv instead of rb_funcall:

 MQ_INT arity = VAL2INT(rb_funcallv(val,NS(id_arity),0,NULL)); 

Updated by sawa (Tsuyoshi Sawada) about 5 years ago Actions #3

  • Description updated (diff)
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