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swanctl: Add check for conflicting short options

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This commit is contained in:
Tobias Brunner 2017-11-13 10:09:05 +01:00
parent f0c7cbd1d7
commit c87b16d256
1 changed files with 9 additions and 0 deletions
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9
src/swanctl/command.c
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@ -147,6 +147,15 @@ void command_register(command_t command)
"MAX_COMMANDS\n");
return;
}
for (i = 0; i < MAX_COMMANDS && cmds[i].cmd; i++)
{
if (cmds[i].op == command.op)
{
fprintf(stderr, "unable to register command --%s, short option "
"conflicts with --%s\n", command.cmd, cmds[i].cmd);
return;
}
}
cmds[registered] = command;
/* append default options, but not to --help */