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https://issues.apache.org/jira/browse/HADOOP-6263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756279#action_12756279
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Allen Wittenauer commented on HADOOP-6263:
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heh. I went with:
uint8_t *barr=(uint8_t * ) alloca(sizeof(uint8_t)*(len));
as my local fix, which SunStudio seems to accept as valid at least.
> SerialUtils.cc: dynamic allocation of arrays based on runtime variable is not
> portable
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-6263
> URL: https://issues.apache.org/jira/browse/HADOOP-6263
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Allen Wittenauer
>
> In SerialUtils.cc, the following code appears:
> int len;
> if (b < -120) {
> negative = true;
> len = -120 - b;
> } else {
> negative = false;
> len = -112 - b;
> }
> uint8_t barr[len];
> as far as I'm aware, this is not legal in ANSI C and will be rejected by ANSI
> compliant compilers. Instead, this should be malloc()'d based upon the size
> of len and free()'d later.
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