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swanctl: Reduce indentation in usage output and print command descriptions

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Also print error message at the end of the output.
This commit is contained in:
Tobias Brunner
2025-05-27 17:38:24 +02:00
parent 9a9d0a0bf7
commit 5f4988eb7c
1 changed files with 17 additions and 15 deletions
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src/swanctl/command.c
+17 -15
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@@ -211,31 +211,24 @@ int command_usage(char *error, ...)
if (error)
{
out = stderr;
fprintf(out, "Error: ");
va_start(args, error);
vfprintf(out, error, args);
va_end(args);
fprintf(out, "\n");
}
fprintf(out, "strongSwan %s swanctl\n", VERSION);
fprintf(out, "strongSwan %s swanctl", VERSION);
if (active == help_idx)
{
fprintf(out, "loaded plugins: %s\n",
fprintf(out, "\nloaded plugins: %s\nusage:\n"
" swanctl command [options]\ncommands:\n",
lib->plugins->loaded_plugins(lib->plugins));
}
fprintf(out, "usage:\n");
if (active == help_idx)
{
for (i = 0; i < MAX_COMMANDS && cmds[i].cmd; i++)
{
fprintf(out, " swanctl --%-16s (-%c) %s\n",
fprintf(out, " --%-16s (-%c) %s\n",
cmds[i].cmd, cmds[i].op, cmds[i].description);
}
}
else
{
fprintf(out, " (--%s/-%c)\n%s\nusage:\n",
cmds[active].cmd, cmds[active].op, cmds[active].description);
for (i = 0; i < MAX_LINES && cmds[active].line[i]; i++)
{
if (i == 0)
@@ -245,16 +238,25 @@ int command_usage(char *error, ...)
}
else
{
fprintf(out, " %s\n", cmds[active].line[i]);
fprintf(out, " %s\n", cmds[active].line[i]);
}
}
fprintf(out, "options:\n");
for (i = 0; cmds[active].options[i].name; i++)
{
fprintf(out, " --%-15s (-%c) %s\n",
fprintf(out, " --%-15s (-%c) %s\n",
cmds[active].options[i].name, cmds[active].options[i].op,
cmds[active].options[i].desc);
}
}
if (error)
{
fprintf(out, "error: ");
va_start(args, error);
vfprintf(out, error, args);
va_end(args);
fprintf(out, "\n");
}
return error != NULL;
}