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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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14
cmd-show-buffer.c
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@@ -27,7 +27,7 @@
* Show a paste buffer.
*/
int cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_show_buffer_entry = {
"show-buffer", "showb",
@@ -39,7 +39,7 @@ const struct cmd_entry cmd_show_buffer_entry = {
cmd_show_buffer_exec
};
int
enum cmd_retval
cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
@@ -51,25 +51,25 @@ cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
u_int width;
if ((s = cmd_find_session(ctx, NULL, 0)) == NULL)
return (-1);
return (CMD_RETURN_ERROR);
if (!args_has(args, 'b')) {
if ((pb = paste_get_top(&global_buffers)) == NULL) {
ctx->error(ctx, "no buffers");
return (-1);
return (CMD_RETURN_ERROR);
}
} else {
buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
if (cause != NULL) {
ctx->error(ctx, "buffer %s", cause);
free(cause);
return (-1);
return (CMD_RETURN_ERROR);
}
pb = paste_get_index(&global_buffers, buffer);
if (pb == NULL) {
ctx->error(ctx, "no buffer %d", buffer);
return (-1);
return (CMD_RETURN_ERROR);
}
}
@@ -108,5 +108,5 @@ cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
free(in);
return (0);
return (CMD_RETURN_NORMAL);
}