Fix string index for appending

`sizeof(string-literal)` is included `'\0'` character

Fix string index for appending
`sizeof(string-literal)` is included `'\0'` character
dac0f3f5 · dearblue · c2fa935f · dac0f3f5
Commit dac0f3f5 authored Apr 14, 2019 by dearblue
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Showing with 3 additions and 3 deletions

mrbgems/mruby-compiler/core/parse.y mrbgems/mruby-compiler/core/parse.y +3 -3

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--- a/mrbgems/mruby-compiler/core/parse.y
+++ b/mrbgems/mruby-compiler/core/parse.y
@@ -5715,9 +5715,9 @@ parser_yylex(parser_state *p)
        const char hexdigits[] = "0123456789ABCDEF";
        strcpy(buf, s);
-        buf[sizeof(s)]   = hexdigits[(c & 0xf0) >> 4];
+        buf[sizeof(s)-1] = hexdigits[(c & 0xf0) >> 4];
-        buf[sizeof(s)+1] = hexdigits[(c & 0x0f)];
+        buf[sizeof(s)]   = hexdigits[(c & 0x0f)];
-        buf[sizeof(s)+2] = 0;
+        buf[sizeof(s)+1] = 0;
        yyerror(p, buf);
        goto retry;
      }