FreeCalypso > hg > freecalypso-citrine
view lldbg/parseargs.c @ 49:908742e46a7f default tip
README: FC Selenite updates
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 14 Apr 2020 21:55:22 +0000 |
parents | 75a11d740a02 |
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. */ lldbg_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) { lldbg_printf("ERROR: too many arguments\n"); return(-1); } argv[argc++] = cp; while (*cp && *cp != ' ') cp++; if (*cp) *cp++ = '\0'; } if (argc < minargs) { lldbg_printf("ERROR: too few arguments\n"); return(-1); } argv[argc] = 0; if (argcp) *argcp = argc; return(0); }