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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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28
cmd-new-session.c
View File

@ -30,8 +30,8 @@
* Create a new session and attach to the current terminal unless -d is given.
*/
int cmd_new_session_check(struct args *);
int cmd_new_session_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_new_session_check(struct args *);
enum cmd_retval cmd_new_session_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_new_session_entry = {
"new-session", "new",
@ -44,15 +44,15 @@ const struct cmd_entry cmd_new_session_entry = {
cmd_new_session_exec
};
int
enum cmd_retval
cmd_new_session_check(struct args *args)
{
if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n')))
return (-1);
return (0);
return (CMD_RETURN_ERROR);
return (CMD_RETURN_NORMAL);
}
int
enum cmd_retval
cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
@ -71,11 +71,11 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
if (newname != NULL) {
if (!session_check_name(newname)) {
ctx->error(ctx, "bad session name: %s", newname);
return (-1);
return (CMD_RETURN_ERROR);
}
if (session_find(newname) != NULL) {
ctx->error(ctx, "duplicate session: %s", newname);
return (-1);
return (CMD_RETURN_ERROR);
}
}
@ -83,7 +83,7 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
if (target != NULL) {
groupwith = cmd_find_session(ctx, target, 0);
if (groupwith == NULL)
return (-1);
return (CMD_RETURN_ERROR);
} else
groupwith = NULL;
@ -131,7 +131,7 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
if (server_client_open(ctx->cmdclient, NULL, &cause) != 0) {
ctx->error(ctx, "open terminal failed: %s", cause);
free(cause);
return (-1);
return (CMD_RETURN_ERROR);
}
}
@ -163,7 +163,7 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
args_get(args, 'x'), 1, USHRT_MAX, &errstr);
if (errstr != NULL) {
ctx->error(ctx, "width %s", errstr);
return (-1);
return (CMD_RETURN_ERROR);
}
}
if (args_has(args, 'y')) {
@ -171,7 +171,7 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
args_get(args, 'y'), 1, USHRT_MAX, &errstr);
if (errstr != NULL) {
ctx->error(ctx, "height %s", errstr);
return (-1);
return (CMD_RETURN_ERROR);
}
}
}
@ -202,7 +202,7 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
if (s == NULL) {
ctx->error(ctx, "create session failed: %s", cause);
free(cause);
return (-1);
return (CMD_RETURN_ERROR);
}
environ_free(&env);
@ -269,5 +269,5 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
ARRAY_FREE(&cfg_causes);
}
return (!detached); /* 1 means don't tell command client to exit */
return (detached ? CMD_RETURN_NORMAL : CMD_RETURN_ATTACH);
}