Differential D7563 Diff 19515 head/sys/boot/common/commands.c

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head/sys/boot/common/commands.c

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__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <stand.h>		#include <stand.h>
#include <string.h>		#include <string.h>

#include "bootstrap.h"		#include "bootstrap.h"

char *command_errmsg;		char *command_errmsg;
char command_errbuf[256]; /* XXX should have procedural interface for setting, size limit? */		/* XXX should have procedural interface for setting, size limit? */
		char command_errbuf[COMMAND_ERRBUFSZ];

static int page_file(char *filename);		static int page_file(char *filename);

/*		/*
* Help is read from a formatted text file.		* Help is read from a formatted text file.
*		*
* Entries in the file are formatted as		* Entries in the file are formatted as

▲ Show 20 Lines • Show All 146 Lines • ▼ Show 20 Lines	command_help(int argc, char *argv[])
}		}
free(t);		free(t);
free(s);		free(s);
free(d);		free(d);
}		}
pager_close();		pager_close();
close(hfd);		close(hfd);
if (!matched) {		if (!matched) {
sprintf(command_errbuf, "no help available for '%s'", topic);		snprintf(command_errbuf, sizeof(command_errbuf),
		"no help available for '%s'", topic);
free(topic);		free(topic);
if (subtopic)		if (subtopic)
free(subtopic);		free(subtopic);
return(CMD_ERROR);		return(CMD_ERROR);
}		}
free(topic);		free(topic);
if (subtopic)		if (subtopic)
free(subtopic);		free(subtopic);
▲ Show 20 Lines • Show All 63 Lines • ▼ Show 20 Lines	pager_output(cp);
if (pager_output("\n"))		if (pager_output("\n"))
break;		break;
}		}
pager_close();		pager_close();
} else {		} else {
if ((cp = getenv(argv[1])) != NULL) {		if ((cp = getenv(argv[1])) != NULL) {
printf("%s\n", cp);		printf("%s\n", cp);
} else {		} else {
sprintf(command_errbuf, "variable '%s' not found", argv[1]);		snprintf(command_errbuf, sizeof(command_errbuf),
		"variable '%s' not found", argv[1]);
return(CMD_ERROR);		return(CMD_ERROR);
}		}
}		}
return(CMD_OK);		return(CMD_OK);
}		}

COMMAND_SET(set, "set", "set a variable", command_set);		COMMAND_SET(set, "set", "set a variable", command_set);

▲ Show 20 Lines • Show All 93 Lines • ▼ Show 20 Lines	command_read(int argc, char *argv[])
switch(c) {		switch(c) {

case 'p':		case 'p':
prompt = optarg;		prompt = optarg;
break;		break;
case 't':		case 't':
timeout = strtol(optarg, &cp, 0);		timeout = strtol(optarg, &cp, 0);
if (cp == optarg) {		if (cp == optarg) {
sprintf(command_errbuf, "bad timeout '%s'", optarg);		snprintf(command_errbuf, sizeof(command_errbuf),
		"bad timeout '%s'", optarg);
return(CMD_ERROR);		return(CMD_ERROR);
}		}
break;		break;
default:		default:
return(CMD_OK);		return(CMD_OK);
}		}
}		}

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static int		static int
page_file(char *filename)		page_file(char *filename)
{		{
int result;		int result;

result = pager_file(filename);		result = pager_file(filename);

if (result == -1)		if (result == -1) {
sprintf(command_errbuf, "error showing %s", filename);		snprintf(command_errbuf, sizeof(command_errbuf),
		"error showing %s", filename);
		}

return result;		return result;
}		}

/*		/*
* List all disk-like devices		* List all disk-like devices
*/		*/
COMMAND_SET(lsdev, "lsdev", "list all devices", command_lsdev);		COMMAND_SET(lsdev, "lsdev", "list all devices", command_lsdev);
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