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Suppress unused-result warnings

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* Hide read function warning in string_spec_RSTRING_PTR_read function

* The type of `read` may be `ssize_t`

Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
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S.H 2021-08-07 12:50:55 +09:00 • committed by GitHub
parent e5dd40b1f3
commit 9b3fcfbbb9
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Notes: git 2021-08-07 12:51:16 +09:00 
Merged: https://github.com/ruby/ruby/pull/4703

Merged-By: nobu <nobu@ruby-lang.org>
1 changed files with 6 additions and 2 deletions
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8
spec/ruby/optional/capi/ext/string_spec.c
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@ -397,12 +397,16 @@ VALUE string_spec_RSTRING_PTR_read(VALUE self, VALUE str, VALUE path) {
rb_str_modify_expand(str, 30);
rb_ary_push(capacities, SIZET2NUM(rb_str_capacity(str)));
char *buffer = RSTRING_PTR(str);
read(fd, buffer, 30);
if (read(fd, buffer, 30) < 0) {
rb_syserr_fail(errno, "read");
}
rb_str_modify_expand(str, 53);
rb_ary_push(capacities, SIZET2NUM(rb_str_capacity(str)));
char *buffer2 = RSTRING_PTR(str);
read(fd, buffer2 + 30, 53 - 30);
if (read(fd, buffer2 + 30, 53 - 30) < 0) {
rb_syserr_fail(errno, "read");
}
rb_str_set_len(str, 53);
close(fd);