FreeCalypso > hg > freecalypso-sw
view target-utils/libcommon/parseargs.c @ 415:b2487cfd68fd
fc-loadtool: flash erase-program-boot implementation complete
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Tue, 17 Jun 2014 06:31:27 +0000 |
parents | f4fc449a64ea |
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); }