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Lose command index enum in favour of runtime-calculated index.

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This commit is contained in:
Nicholas Marriott
2007-10-04 22:04:01 +00:00
parent 75e1e4b91e
commit 26b340964a
18 changed files with 65 additions and 75 deletions
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54
cmd.c
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@@ -1,4 +1,4 @@
/* $Id: cmd.c,v 1.13 2007-10-04 21:48:11 nicm Exp $ */
/* $Id: cmd.c,v 1.14 2007-10-04 22:04:01 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -45,7 +45,7 @@ const struct cmd_entry *cmd_table[] = {
struct cmd *
cmd_parse(int argc, char **argv, char **cause)
{
const struct cmd_entry **this, *entry;
const struct cmd_entry **entryp, *entry;
struct cmd *cmd;
int opt;
@@ -54,19 +54,19 @@ cmd_parse(int argc, char **argv, char **cause)
return (NULL);
entry = NULL;
for (this = cmd_table; *this != NULL; this++) {
if (strcmp((*this)->alias, argv[0]) == 0) {
entry = *this;
for (entryp = cmd_table; *entryp != NULL; entryp++) {
if (strcmp((*entryp)->alias, argv[0]) == 0) {
entry = *entryp;
break;
}
if (strncmp((*this)->name, argv[0], strlen(argv[0])) != 0)
if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
continue;
if (entry != NULL) {
xasprintf(cause, "ambiguous command: %s", argv[0]);
return (NULL);
}
entry = *this;
entry = *entryp;
}
if (entry == NULL) {
xasprintf(cause, "unknown command: %s", argv[0]);
@@ -111,34 +111,44 @@ cmd_exec(struct cmd *cmd, struct cmd_ctx *ctx)
void
cmd_send(struct cmd *cmd, struct buffer *b)
{
buffer_write(b, &cmd->entry->type, sizeof cmd->entry->type);
const struct cmd_entry **entryp;
u_int n;
if (cmd->entry->send == NULL)
return;
return (cmd->entry->send(cmd->data, b));
n = 0;
for (entryp = cmd_table; *entryp != NULL; entryp++) {
if (*entryp == cmd->entry)
break;
n++;
}
if (*entryp == NULL)
fatalx("command not found");
buffer_write(b, &n, sizeof n);
if (cmd->entry->send != NULL)
cmd->entry->send(cmd->data, b);
}
struct cmd *
cmd_recv(struct buffer *b)
{
const struct cmd_entry **this, *entry;
const struct cmd_entry **entryp;
struct cmd *cmd;
enum cmd_type type;
u_int m, n;
buffer_read(b, &type, sizeof type);
buffer_read(b, &m, sizeof m);
entry = NULL;
for (this = cmd_table; *this != NULL; this++) {
if ((*this)->type == type) {
entry = *this;
n = 0;
for (entryp = cmd_table; *entryp != NULL; entryp++) {
if (n == m)
break;
}
n++;
}
if (*this == NULL)
return (NULL);
if (*entryp == NULL)
fatalx("command not found");
cmd = xmalloc(sizeof *cmd);
cmd->entry = entry;
cmd->entry = *entryp;
if (cmd->entry->recv != NULL)
cmd->entry->recv(&cmd->data, b);