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https://issues.apache.org/jira/browse/PROTON-1559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16184635#comment-16184635
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Justin Ross commented on PROTON-1559:
-------------------------------------
The arg parsing has since been changed, and it no longer has this defect.
> Typo in some proactor examples
> ------------------------------
>
> Key: PROTON-1559
> URL: https://issues.apache.org/jira/browse/PROTON-1559
> Project: Qpid Proton
> Issue Type: Bug
> Components: examples, proton-c
> Affects Versions: proton-c-0.18.0
> Reporter: Jiri Daněk
> Assignee: Justin Ross
> Priority: Minor
> Labels: patch
> Fix For: proton-c-0.18.0
>
>
> Some proactor examples have a typo in the code that reads CLI options. It
> does not seem to have effect on functionality, because the {{argv[argc]}}
> element is always a NULL.
> {code}
> diff --git a/examples/c/proactor/direct.c b/examples/c/proactor/direct.c
> index 15550e6b..d33010f0 100644
> --- a/examples/c/proactor/direct.c
> +++ b/examples/c/proactor/direct.c
> @@ -308,8 +308,8 @@ int main(int argc, char **argv) {
> struct app_data_t app = {0};
> int i = 0;
> app.container_id = argv[i++]; /* Should be unique */
> - app.host = (argc > 1) ? argv[i++] : "";
> - app.port = (argc > 1) ? argv[i++] : "amqp";
> + app.host = (argc > i) ? argv[i++] : "";
> + app.port = (argc > i) ? argv[i++] : "amqp";
> app.amqp_address = (argc > i) ? argv[i++] : "examples";
> app.message_count = (argc > i) ? atoi(argv[i++]) : 10;
>
> diff --git a/examples/c/proactor/receive.c b/examples/c/proactor/receive.c
> index 6fd74a51..3f059f56 100644
> --- a/examples/c/proactor/receive.c
> +++ b/examples/c/proactor/receive.c
> @@ -172,8 +172,8 @@ int main(int argc, char **argv) {
> struct app_data_t app = {0};
> int i = 0;
> app.container_id = argv[i++]; /* Should be unique */
> - app.host = (argc > 1) ? argv[i++] : "";
> - app.port = (argc > 1) ? argv[i++] : "amqp";
> + app.host = (argc > i) ? argv[i++] : "";
> + app.port = (argc > i) ? argv[i++] : "amqp";
> app.amqp_address = (argc > i) ? argv[i++] : "examples";
> app.message_count = (argc > i) ? atoi(argv[i++]) : 10;
>
> diff --git a/examples/c/proactor/send.c b/examples/c/proactor/send.c
> index 43da8b04..a80fbcb5 100644
> --- a/examples/c/proactor/send.c
> +++ b/examples/c/proactor/send.c
> @@ -180,8 +180,8 @@ int main(int argc, char **argv) {
> struct app_data_t app = {0};
> int i = 0;
> app.container_id = argv[i++]; /* Should be unique */
> - app.host = (argc > 1) ? argv[i++] : "";
> - app.port = (argc > 1) ? argv[i++] : "amqp";
> + app.host = (argc > i) ? argv[i++] : "";
> + app.port = (argc > i) ? argv[i++] : "amqp";
> app.amqp_address = (argc > i) ? argv[i++] : "examples";
> app.message_count = (argc > i) ? atoi(argv[i++]) : 10;
> {code}
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