| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: badarg.c,v 2.11 2014/03/07 17:32:12 greg Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* Check argument list against format string. |
| 6 |
* |
| 7 |
* External symbols declared in rtio.h |
| 8 |
*/ |
| 9 |
|
| 10 |
#include "copyright.h" |
| 11 |
|
| 12 |
#include <ctype.h> |
| 13 |
|
| 14 |
#include "rtio.h" |
| 15 |
|
| 16 |
|
| 17 |
int |
| 18 |
badarg( /* check argument list */ |
| 19 |
int ac, |
| 20 |
char **av, |
| 21 |
const char *fl |
| 22 |
) |
| 23 |
{ |
| 24 |
int i; |
| 25 |
char *s; |
| 26 |
|
| 27 |
if (fl == NULL) |
| 28 |
fl = ""; /* no arguments? */ |
| 29 |
for (i = 1; *fl; i++,av++,fl++) { |
| 30 |
if (i > ac || *av == NULL) |
| 31 |
return(-1); |
| 32 |
s = *av; |
| 33 |
switch (*fl) { |
| 34 |
case 's': /* string */ |
| 35 |
while (isspace(*s)) |
| 36 |
++s; |
| 37 |
if (!isprint(*s)) |
| 38 |
return(i); |
| 39 |
while (isprint(*s) | isspace(*s)) |
| 40 |
++s; |
| 41 |
if (*s) |
| 42 |
return(i); |
| 43 |
break; |
| 44 |
case 'i': /* integer */ |
| 45 |
if (!isintd(s, " \t\r\n")) |
| 46 |
return(i); |
| 47 |
break; |
| 48 |
case 'f': /* float */ |
| 49 |
if (!isfltd(s, " \t\r\n")) |
| 50 |
return(i); |
| 51 |
break; |
| 52 |
default: /* bad call! */ |
| 53 |
return(-1); |
| 54 |
} |
| 55 |
} |
| 56 |
return(0); /* all's well */ |
| 57 |
} |
