Merge pull request #4639 from dearblue/suppress-Wstringop-truncation

Suppress warnings for `strncat()`

Merge pull request #4639 from dearblue/suppress-Wstringop-truncation
Suppress warnings for `strncat()`
3fbd5f00 · Yukihiro "Matz" Matsumoto · GitHub · f263088b · 74395d75 · 3fbd5f00
Unverified Commit 3fbd5f00 authored Aug 19, 2019 by Yukihiro "Matz" Matsumoto Committed by GitHub Aug 19, 2019
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mrbgems/mruby-compiler/core/parse.y mrbgems/mruby-compiler/core/parse.y +2 -2

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--- a/mrbgems/mruby-compiler/core/parse.y
+++ b/mrbgems/mruby-compiler/core/parse.y
@@ -5020,10 +5020,10 @@ parser_yylex(parser_state *p)
        }
        if (c2) {
          char buf[256];
-          char cc = (char)c2;
+          char cc[] = { (char)c2, '\0' };

          strcpy(buf, "invalid character syntax; use ?\\");
-          strncat(buf, &cc, 1);
+          strncat(buf, cc, 2);
          yyerror(p, buf);
        }
      }