FreeCalypso > hg > freecalypso-tools
view rvinterf/asyncshell/parse.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | e7502631a0f9 |
children |
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/* * This module implements the parser helper function that allows * the same code to be reused between interactive and one-shot * versions of the same command. */ #include <stdio.h> #include <ctype.h> #include <string.h> #include <strings.h> #include <stdlib.h> parse_interactive_command_into_argv(argstr, argv, min_arg, max_arg, argcp) char *argstr, **argv; int min_arg, max_arg, *argcp; { char *cp, **ap; cp = argstr; for (ap = argv; ; ) { while (isspace(*cp)) cp++; if (!*cp || *cp == '#') break; if (ap - argv >= max_arg) { printf("error: too many arguments\n"); return(-1); } if (*cp == '"') { *ap++ = ++cp; while (*cp && *cp != '"') cp++; if (*cp != '"') { printf("error: unterminated quoted string\n"); return(-1); } *cp++ = '\0'; } else { *ap++ = cp; while (*cp && !isspace(*cp)) cp++; if (*cp) *cp++ = '\0'; } } if (ap - argv < min_arg) { printf("error: too few arguments\n"); return(-1); } *ap = 0; *argcp = ap - argv; return(0); }