FreeCalypso > hg > freecalypso-tools
view loadtools/bpdispatch.c @ 921:74d284add54d
fc-fsio: guard against bogus readdir results from the target
If the FFS being operated on contains SE K2x0 extended filenames,
readdir will return strings that are bad for printing. We need to
guard against this possibility, and also against possible other
bogosity that could be sent by other alien firmwares.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 31 Dec 2022 22:55:23 +0000 |
parents | 850b4f066d75 |
children |
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/* * This module implements the command dispatch for fc-buzplay */ #include <ctype.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> extern int cmd_baud(); extern int cmd_exit(); extern int cmd_play(); extern int cmd_play_bu(); extern int cmd_play_pwt(); extern int loadtool_cmd_passthru(); static struct cmdtab { char *cmd; int minargs; int maxargs; int (*func)(); } cmdtab[] = { {"abbr", 2, 2, loadtool_cmd_passthru}, {"abbw", 3, 3, loadtool_cmd_passthru}, {"baud", 0, 1, cmd_baud}, {"buzlev", 0, 1, loadtool_cmd_passthru}, {"exit", 0, 1, cmd_exit}, {"play", 1, 2, cmd_play}, {"play-bu", 1, 1, cmd_play_bu}, {"play-pwt", 1, 2, cmd_play_pwt}, {"playt", 1, 2, cmd_play_pwt}, {"pwt", 1, 1, loadtool_cmd_passthru}, {"quit", 0, 1, cmd_exit}, {"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} }; buzplay_dispatch_cmd(cmd) char *cmd; { char *argv[10]; char *cp, **ap; struct cmdtab *tp; for (cp = cmd; 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); }