FreeCalypso > hg > freecalypso-sw
view rvinterf/g23sh/usercmd.c @ 465:d5cf423dad3a
os_tim_ir.c: os_Timeout() fixed
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Thu, 26 Jun 2014 04:46:53 +0000 |
parents | 922efdd65dce |
children |
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/* * This module implements g23sh user command dispatch. */ #include <sys/types.h> #include <ctype.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> extern char usercmd[]; extern void cmd_sendsp(); void cmd_exit() { tty_cleanup(); exit(0); } static struct cmdtab { char *cmd; int minargs; int maxargs; void (*func)(); } cmdtab[] = { {"exit", 0, 0, cmd_exit}, {"quit", 0, 0, cmd_exit}, {"sp", 2, 2, cmd_sendsp}, {0, 0, 0, 0} }; void dispatch_user_cmd() { char *argv[10]; char *cp, **ap; struct cmdtab *tp; for (cp = usercmd; isspace(*cp); cp++) ; if (!*cp || *cp == '#') return; argv[0] = cp; while (*cp && !isspace(*cp)) cp++; if (*cp) *cp++ = '\0'; for (tp = cmdtab; tp->cmd; tp++) if (!strcmp(tp->cmd, argv[0])) break; if (!tp->func) { printf("error: no such command\n"); return; } for (ap = argv + 1; ; ) { while (isspace(*cp)) cp++; if (!*cp || *cp == '#') break; if (ap - argv - 1 >= tp->maxargs) { printf("error: too many arguments\n"); return; } if (*cp == '"') { *ap++ = ++cp; while (*cp && *cp != '"') cp++; if (*cp != '"') { printf("error: unterminated quoted string\n"); return; } *cp++ = '\0'; } else { *ap++ = cp; while (*cp && !isspace(*cp)) cp++; if (*cp) *cp++ = '\0'; } } if (ap - argv - 1 < tp->minargs) { printf("error: too few arguments\n"); return; } *ap = 0; tp->func(ap - argv, argv); }