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https://issues.apache.org/jira/browse/PROTON-2772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17781252#comment-17781252
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ASF GitHub Bot commented on PROTON-2772:
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jiridanek merged PR #413:
URL: https://github.com/apache/qpid-proton/pull/413
> [c] Add parameter safety annotations for printf format strings
> --------------------------------------------------------------
>
> Key: PROTON-2772
> URL: https://issues.apache.org/jira/browse/PROTON-2772
> Project: Qpid Proton
> Issue Type: Improvement
> Components: proton-c
> Affects Versions: proton-c-0.39.0
> Reporter: Jiri Daněk
> Assignee: Jiri Daněk
> Priority: Major
> Fix For: proton-c-0.40.0
>
>
> There seem to be various mismatched printf format arguments. This is best
> resolved by annotating the string format parameters so that regular
> compilation warns on the mismatches as they happen.
> Proton already has some of this, but it is incomplete.
> {noformat}
> ```
> /home/jdanek/repos/qpid/qpid-proton/c/src/core/logger.c: In function
> ‘pni_logger_log_raw’:
> /home/jdanek/repos/qpid/qpid-proton/c/src/core/logger.c:204:41: error: format
> ‘%x’ expects argument of type ‘unsigned int’, but argument 4 has type
> ‘size_t’ {aka ‘long unsigned int’} [-Werror=format=]
> 204 | pn_fixed_string_addf(&out, "%04x/%04x: ", i, size);
> | ~~~^ ~~~~
> | | |
> | | size_t {aka long
> unsigned int}
> | unsigned int
> | %04lx
> cc1: all warnings being treated as errors
> ```
> {noformat}
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