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#ifndef lint
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static const char RCSid[] = "$Id: badarg.c,v 2.10 2014/03/01 18:56:41 greg Exp $";
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#endif
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/*
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* Check argument list against format string.
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*
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* External symbols declared in rtio.h
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*/
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#include "copyright.h"
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#include <ctype.h>
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#include "rtio.h"
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int
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badarg( /* check argument list */
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int ac,
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char **av,
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char *fl
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)
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{
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int i;
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char *s;
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if (fl == NULL)
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fl = ""; /* no arguments? */
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for (i = 1; *fl; i++,av++,fl++) {
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if (i > ac || *av == NULL)
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return(-1);
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s = *av;
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switch (*fl) {
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case 's': /* string */
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while (isspace(*s))
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++s;
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if (!isprint(*s))
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return(i);
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while (isprint(*s) | isspace(*s))
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++s;
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if (*s)
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return(i);
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break;
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case 'i': /* integer */
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if (!isintd(s, " \t\r\n"))
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return(i);
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break;
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case 'f': /* float */
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if (!isfltd(s, " \t\r\n"))
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return(i);
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break;
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default: /* bad call! */
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return(-1);
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}
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}
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return(0); /* all's well */
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}
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