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greg |
1.1 |
#ifndef lint
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| 2 |
greg |
2.12 |
static const char RCSid[] = "$Id: badarg.c,v 2.11 2014/03/07 17:32:12 greg Exp $";
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greg |
1.1 |
#endif
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| 4 |
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/*
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| 5 |
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* Check argument list against format string.
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greg |
2.2 |
*
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| 7 |
greg |
2.5 |
* External symbols declared in rtio.h
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| 8 |
greg |
2.2 |
*/
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| 9 |
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| 10 |
greg |
2.3 |
#include "copyright.h"
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| 11 |
greg |
1.1 |
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| 12 |
greg |
1.2 |
#include <ctype.h>
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| 14 |
greg |
2.5 |
#include "rtio.h"
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schorsch |
2.4 |
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greg |
1.1 |
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| 17 |
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int
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schorsch |
2.6 |
badarg( /* check argument list */
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| 19 |
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int ac,
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greg |
2.7 |
char **av,
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| 21 |
greg |
2.12 |
const char *fl
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| 22 |
schorsch |
2.6 |
)
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greg |
1.1 |
{
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greg |
2.7 |
int i;
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| 25 |
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char *s;
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| 26 |
greg |
1.1 |
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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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| 32 |
greg |
2.7 |
s = *av;
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greg |
1.1 |
switch (*fl) {
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case 's': /* string */
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greg |
2.11 |
while (isspace(*s))
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| 36 |
greg |
2.7 |
++s;
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| 37 |
greg |
2.11 |
if (!isprint(*s))
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| 38 |
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return(i);
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| 39 |
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while (isprint(*s) | isspace(*s))
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| 40 |
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++s;
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if (*s)
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| 42 |
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return(i);
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greg |
1.1 |
break;
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case 'i': /* integer */
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greg |
2.7 |
if (!isintd(s, " \t\r\n"))
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| 46 |
greg |
1.1 |
return(i);
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break;
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case 'f': /* float */
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greg |
2.7 |
if (!isfltd(s, " \t\r\n"))
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| 50 |
greg |
1.1 |
return(i);
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| 51 |
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break;
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| 52 |
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default: /* bad call! */
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| 53 |
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return(-1);
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| 54 |
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}
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| 55 |
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}
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| 56 |
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return(0); /* all's well */
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| 57 |
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}
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