[asterisk-bugs] [JIRA] Status Changed to Waiting for Development: (ASTERISK-20408) constify astobj2's __ao2_ref_debug parameters

Matt Jordan (JIRA) noreply at issues.asterisk.org
Wed Sep 12 09:24:07 CDT 2012


     [ https://issues.asterisk.org/jira/browse/ASTERISK-20408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Jordan updated ASTERISK-20408:
-----------------------------------

    Status: Open  (was: Triage)

> constify astobj2's __ao2_ref_debug parameters
> ---------------------------------------------
>
>                 Key: ASTERISK-20408
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20408
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: General
>    Affects Versions: 1.8.15.1, 10.7.1, 10.7.1-digiumphones, 11.0.0-beta1
>            Reporter: Matt Jordan
>            Severity: Trivial
>
> In Asterisk 1.8, astobj2's __ao2_ref_debug has the following definition:
> {noformat}
> int __ao2_ref_debug(void *o, int delta, char *tag, char *file, int line, const char *funcname);
> {noformat}
> Because {{tag}} is not {{const}}, defining {{REF_DEBUG}} either in {{astobj2.h}} or in {{ccss.c}} results in the following warnings:
> {noformat}
> ccss.c:136:2: error: passing argument 3 of '__ao2_ref_debug' discards 'const' qualifier from pointer target type [-Werror]
> workspace/1.8/include/asterisk/astobj2.h:468:5: note: expected 'char *' but argument is of type 'const char *'
> ccss.c: In function 'cc_unref':
> ccss.c:142:2: error: passing argument 3 of '__ao2_ref_debug' discards 'const' qualifier from pointer target type [-Werror]
> workspace/1.8/include/asterisk/astobj2.h:468:5: note: expected 'char *' but argument is of type 'const char *'
> cc1: all warnings being treated as errors
> {noformat}
> {{ccss.c}} attempts to treat the {{tag}} as a {{const}} character string (which it probably should be):
> {noformat}
> static inline void *cc_ref(void *obj, const char *debug)
> {
> 	ao2_t_ref(obj, +1, debug);
> 	return obj;
> }
> static inline void *cc_unref(void *obj, const char *debug)
> {
> 	ao2_t_ref(obj, -1, debug);
> 	return NULL;
> }
> {noformat}
> There isn't any reason that I can think of to allow {{tag}} or {{file}} to be modified in {{astobj2}}.

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