RFR: 8286562: GCC 12 reports some compiler warnings [v2]

[Yasumasa Suenaga]

On Wed, 11 May 2022 12:48:38 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Yasumasa Suenaga has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Avoid pragma error in before GCC 12
>
> src/java.base/unix/native/libjli/java_md_common.c line 135:
> 
>> 133:     if ((JLI_StrLen(indir) + JLI_StrLen(cmd) + 2) > sizeof(name)) return 0;
>> 134:     JLI_Snprintf(name, sizeof(name), "%s%c%s", indir, FILE_SEPARATOR, cmd);
>> 135: #pragma GCC diagnostic pop
> 
> Can we just replace this code rather than putting pragmas here?

I tried several patterns, but I couldn't find out a solution other than pragmas. Do you have any ideas?

For example:

    if ((JLI_StrLen(indir) + JLI_StrLen(cmd) + 2) < sizeof(name)) {
      JLI_Snprintf(name, sizeof(name), "%s%c%s", indir, FILE_SEPARATOR, cmd);
    } else {
      return 0;
    }


Compiler warnings:

-------------

PR: https://git.openjdk.java.net/jdk/pull/8646