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-rw-r--r--sys/boot/common/commands.c216
1 files changed, 12 insertions, 204 deletions
diff --git a/sys/boot/common/commands.c b/sys/boot/common/commands.c
index fe0eb54d7707..77cc43ca0e71 100644
--- a/sys/boot/common/commands.c
+++ b/sys/boot/common/commands.c
@@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: commands.c,v 1.8 1999/01/09 02:34:48 msmith Exp $
+ * $Id: commands.c,v 1.4 1998/10/07 02:38:26 msmith Exp $
*/
#include <stand.h>
@@ -34,181 +34,35 @@
char *command_errmsg;
char command_errbuf[256]; /* XXX should have procedural interface for setting, size limit? */
-
-
-/*
- * Help is read from a formatted text file.
- *
- * Entries in the file are formatted as
-
-# Ttopic [Ssubtopic] Ddescription
-help
-text
-here
-#
-
- *
- * Note that for code simplicity's sake, the above format must be followed
- * exactly.
- *
- * Subtopic entries must immediately follow the topic (this is used to
- * produce the listing of subtopics).
- *
- * If no argument(s) are supplied by the user, the help for 'help' is displayed.
- */
-COMMAND_SET(help, "help", "detailed help", command_help);
-
-static int
-help_getnext(int fd, char **topic, char **subtopic, char **desc)
-{
- char line[81], *cp, *ep;
-
- for (;;) {
- if (fgetstr(line, 80, fd) < 0)
- return(0);
-
- if ((strlen(line) < 3) || (line[0] != '#') || (line[1] != ' '))
- continue;
-
- *topic = *subtopic = *desc = NULL;
- cp = line + 2;
- while((cp != NULL) && (*cp != 0)) {
- ep = strchr(cp, ' ');
- if ((*cp == 'T') && (*topic == NULL)) {
- if (ep != NULL)
- *ep++ = 0;
- *topic = strdup(cp + 1);
- } else if ((*cp == 'S') && (*subtopic == NULL)) {
- if (ep != NULL)
- *ep++ = 0;
- *subtopic = strdup(cp + 1);
- } else if (*cp == 'D') {
- *desc = strdup(cp + 1);
- ep = NULL;
- }
- cp = ep;
- }
- if (*topic == NULL) {
- if (*subtopic != NULL)
- free(*subtopic);
- if (*desc != NULL)
- free(*desc);
- continue;
- }
- return(1);
- }
-}
-
-static void
-help_emitsummary(char *topic, char *subtopic, char *desc)
-{
- int i;
- pager_output(" ");
- pager_output(topic);
- i = strlen(topic);
- if (subtopic != NULL) {
- pager_output(" ");
- pager_output(subtopic);
- i += strlen(subtopic) + 1;
- }
- if (desc != NULL) {
- do {
- pager_output(" ");
- } while (i++ < 30);
- pager_output(desc);
- }
- pager_output("\n");
-}
+COMMAND_SET(help, "help", "detailed help", command_help);
-
static int
-command_help(int argc, char *argv[])
+command_help(int argc, char *argv[])
{
- char buf[81]; /* XXX buffer size? */
- int hfd, matched, doindex;
- char *topic, *subtopic, *t, *s, *d;
+ char helppath[80]; /* XXX buffer size? */
/* page the help text from our load path */
- sprintf(buf, "%s/boot/loader.help", getenv("loaddev"));
- if ((hfd = open(buf, O_RDONLY)) < 0) {
+ sprintf(helppath, "%s/boot/boot.help", getenv("loaddev"));
+ printf("%s\n", helppath);
+ if (pager_file(helppath) == -1)
printf("Verbose help not available, use '?' to list commands\n");
- return(CMD_OK);
- }
-
- /* pick up request from arguments */
- topic = subtopic = NULL;
- switch(argc) {
- case 3:
- subtopic = strdup(argv[2]);
- case 2:
- topic = strdup(argv[1]);
- break;
- case 1:
- topic = strdup("help");
- break;
- default:
- command_errmsg = "usage is 'help <topic> [<subtopic>]";
- return(CMD_ERROR);
- }
-
- /* magic "index" keyword */
- doindex = !strcmp(topic, "index");
- matched = doindex;
-
- /* Scan the helpfile looking for help matching the request */
- pager_open();
- while(help_getnext(hfd, &t, &s, &d)) {
-
- if (doindex) { /* dink around formatting */
- help_emitsummary(t, s, d);
-
- } else if (strcmp(topic, t)) {
- /* topic mismatch */
- if(matched) /* nothing more on this topic, stop scanning */
- break;
-
- } else {
- /* topic matched */
- matched = 1;
- if (((subtopic == NULL) && (s == NULL)) ||
- ((subtopic != NULL) && (s != NULL) && !strcmp(subtopic, s))) {
- /* exact match, print text */
- while((fgetstr(buf, 80, hfd) >= 0) && (buf[0] != '#')) {
- pager_output(buf);
- pager_output("\n");
- }
- } else if ((subtopic == NULL) && (s != NULL)) {
- /* topic match, list subtopics */
- help_emitsummary(t, s, d);
- }
- }
- free(t);
- free(s);
- free(d);
- }
- pager_close();
- close(hfd);
- if (!matched) {
- sprintf(command_errbuf, "no help available for '%s'", topic);
- return(CMD_ERROR);
- }
return(CMD_OK);
}
-
COMMAND_SET(commandlist, "?", "list commands", command_commandlist);
static int
command_commandlist(int argc, char *argv[])
{
struct bootblk_command **cmdp;
+ int i;
printf("Available commands:\n");
- SET_FOREACH(cmdp, Xcommand_set) {
- if (((*cmdp)->c_name != NULL) && ((*cmdp)->c_desc != NULL))
- printf(" %-15s %s\n", (*cmdp)->c_name, (*cmdp)->c_desc);
- }
+ cmdp = (struct bootblk_command **)Xcommand_set.ls_items;
+ for (i = 0; i < Xcommand_set.ls_length; i++)
+ if ((cmdp[i]->c_name != NULL) && (cmdp[i]->c_desc != NULL))
+ printf(" %-15s %s\n", cmdp[i]->c_name, cmdp[i]->c_desc);
return(CMD_OK);
}
@@ -299,7 +153,6 @@ command_echo(int argc, char *argv[])
nl = 0;
optind = 1;
- optreset = 1;
while ((ch = getopt(argc, argv, "n")) != -1) {
switch(ch) {
case 'n':
@@ -344,7 +197,6 @@ command_read(int argc, char *argv[])
timeout = -1;
prompt = NULL;
optind = 1;
- optreset = 1;
while ((c = getopt(argc, argv, "p:t:")) != -1) {
switch(c) {
@@ -382,47 +234,3 @@ command_read(int argc, char *argv[])
setenv(name, buf, 1);
return(CMD_OK);
}
-
-/*
- * List all disk-like devices
- */
-COMMAND_SET(lsdev, "lsdev", "list all devices", command_lsdev);
-
-static int
-command_lsdev(int argc, char *argv[])
-{
- int verbose, ch, i;
- char line[80];
-
- verbose = 0;
- optind = 1;
- optreset = 1;
- while ((ch = getopt(argc, argv, "v")) != -1) {
- switch(ch) {
- case 'v':
- verbose = 1;
- break;
- case '?':
- default:
- /* getopt has already reported an error */
- return(CMD_OK);
- }
- }
- argv += (optind);
- argc -= (optind);
-
- pager_open();
- for (i = 0; devsw[i] != NULL; i++) {
- if (devsw[i]->dv_print != NULL){
- sprintf(line, "%s @ %p\n", devsw[i]->dv_name, devsw[i]->dv_print);
- pager_output(line);
- devsw[i]->dv_print(verbose);
- } else {
- sprintf(line, "%s: (unknown)\n", devsw[i]->dv_name);
- pager_output(line);
- }
- }
- pager_close();
- return(CMD_OK);
-}
-
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