FreeCalypso > hg > freecalypso-tools
view loadtools/bpdispatch.c @ 521:6604403aa212
doc/Target-utils: checking in unfinished document
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 06 Jun 2019 06:38:46 +0000 |
parents | 684eddecbc62 |
children | 0af2529d9376 |
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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 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, 1, cmd_play}, {"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); }