FreeCalypso > hg > freecalypso-sw
diff loadtools/ltdispatch.c @ 22:e658a84b37df
loadtool coming along
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Sat, 04 May 2013 04:36:29 +0000 |
parents | |
children | ae6294b8a015 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/loadtools/ltdispatch.c Sat May 04 04:36:29 2013 +0000 @@ -0,0 +1,82 @@ +/* + * This module implements the command dispatch for fc-loadtool + */ + +#include <ctype.h> +#include <stdio.h> +#include <string.h> +#include <strings.h> +#include <stdlib.h> + +extern char loadtool_command[]; + +extern int loadtool_cmd_passthru(); + +static int +exitcmd() +{ + exit(0); +} + +static struct cmdtab { + char *cmd; + int minargs; + int maxargs; + int (*func)(); +} cmdtab[] = { + {"dump", 2, 2, loadtool_cmd_passthru}, + {"exit", 0, 0, &exitcmd}, + {"quit", 0, 0, &exitcmd}, + {"r8", 1, 1, loadtool_cmd_passthru}, + {"r16", 1, 1, loadtool_cmd_passthru}, + {"r32", 1, 1, loadtool_cmd_passthru}, + {"w8", 2, 2, loadtool_cmd_passthru}, + {"w16", 2, 2, loadtool_cmd_passthru}, + {"w32", 2, 2, loadtool_cmd_passthru}, + {0, 0, 0, 0} +}; + +loadtool_dispatch_cmd() +{ + char *argv[10]; + char *cp, **ap; + struct cmdtab *tp; + + for (cp = loadtool_command; isspace(*cp); cp++) + ; + if (!*cp || *cp == '#') + return(0); + 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) { + fprintf(stderr, "error: no such command\n"); + return(-1); + } + for (ap = argv + 1; ; ) { + while (isspace(*cp)) + cp++; + if (!*cp || *cp == '#') + break; + if (ap - argv - 1 > tp->maxargs) { + fprintf(stderr, "error: too many arguments\n"); + return(-1); + } + *ap++ = cp; + while (*cp && !isspace(*cp)) + cp++; + if (*cp) + *cp++ = '\0'; + } + if (ap - argv - 1 < tp->minargs) { + fprintf(stderr, "error: too few arguments\n"); + return(-1); + } + *ap = 0; + return tp->func(ap - argv, argv); +}