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Make command exec functions return an enum rather than -1/0/1 values and

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add a new value to mean "leave client running but don't attach" to fix
problems with using some commands in a command sequence. Most of the
work by Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.
This commit is contained in:
Nicholas Marriott
2012-07-11 07:10:15 +00:00
parent df912e3540
commit ede8312d59
75 changed files with 489 additions and 464 deletions
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12
cmd-show-environment.c
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@ -27,7 +27,7 @@
* Show environment.
*/
int cmd_show_environment_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_show_environment_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_show_environment_entry = {
"show-environment", "showenv",
@ -39,7 +39,7 @@ const struct cmd_entry cmd_show_environment_entry = {
cmd_show_environment_exec
};
int
enum cmd_retval
cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
@ -51,7 +51,7 @@ cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx)
env = &global_environ;
else {
if ((s = cmd_find_session(ctx, args_get(args, 't'), 0)) == NULL)
return (-1);
return (CMD_RETURN_ERROR);
env = &s->environ;
}
@ -59,13 +59,13 @@ cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx)
envent = environ_find(env, args->argv[0]);
if (envent == NULL) {
ctx->error(ctx, "unknown variable: %s", args->argv[0]);
return (-1);
return (CMD_RETURN_ERROR);
}
if (envent->value != NULL)
ctx->print(ctx, "%s=%s", envent->name, envent->value);
else
ctx->print(ctx, "-%s", envent->name);
return (0);
return (CMD_RETURN_NORMAL);
}
RB_FOREACH(envent, environ, env) {
@ -75,5 +75,5 @@ cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx)
ctx->print(ctx, "-%s", envent->name);
}
return (0);
return (CMD_RETURN_NORMAL);
}