FreeCalypso > hg > freecalypso-tools
view target-utils/libcommon/parseargs.c @ 824:158dd05fb9f9
buzplayer: implement PWT mode melody play
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 30 May 2021 04:50:30 +0000 |
parents | e7502631a0f9 |
children |
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/* * This module contains the parse_args() function, which parses the "rest" * part of an entered command into an argc/argv-style argument array. */ parse_args(unparsed, minargs, maxargs, argv, argcp) char *unparsed; int minargs, maxargs; char **argv; int *argcp; { int argc; char *cp; argc = 0; for (cp = unparsed; ; ) { while (*cp == ' ') cp++; if (!*cp) break; if (argc >= maxargs) { printf("ERROR: too many arguments\n"); return(-1); } argv[argc++] = cp; while (*cp && *cp != ' ') cp++; if (*cp) *cp++ = '\0'; } if (argc < minargs) { printf("ERROR: too few arguments\n"); return(-1); } argv[argc] = 0; if (argcp) *argcp = argc; return(0); }