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39 lines
952 B
C
39 lines
952 B
C
#include "configdir.h"
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#include <ccan/opt/opt.h>
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#include <ccan/tal/path/path.h>
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#include <ccan/tal/str/str.h>
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#include <errno.h>
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/* Override a tal string; frees the old one. */
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char *opt_set_talstr(const char *arg, char **p)
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{
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tal_free(*p);
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return opt_set_charp(arg, p);
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}
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static char *default_configdir(const tal_t *ctx)
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{
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char *path;
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const char *env = getenv("HOME");
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if (!env)
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return ".";
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path = path_join(ctx, env, ".lightning");
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return path;
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}
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void configdir_register_opts(const tal_t *ctx,
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char **configdir, char **rpc_filename)
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{
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*configdir = default_configdir(ctx);
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*rpc_filename = tal_strdup(ctx, "lightning-rpc");
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opt_register_early_arg("--lightning-dir=<dir>", opt_set_talstr, opt_show_charp,
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configdir,
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"Set working directory. All other files are relative to this");
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opt_register_arg("--rpc-file", opt_set_talstr, opt_show_charp,
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rpc_filename,
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"Set JSON-RPC socket (or /dev/tty)");
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}
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