| 1 |
greg |
1.1 |
#ifndef lint |
| 2 |
greg |
2.12 |
static const char RCSid[] = "$Id: badarg.c,v 2.11 2014/03/07 17:32:12 greg Exp $"; |
| 3 |
greg |
1.1 |
#endif |
| 4 |
|
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/* |
| 5 |
|
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* Check argument list against format string. |
| 6 |
greg |
2.2 |
* |
| 7 |
greg |
2.5 |
* External symbols declared in rtio.h |
| 8 |
greg |
2.2 |
*/ |
| 9 |
|
|
|
| 10 |
greg |
2.3 |
#include "copyright.h" |
| 11 |
greg |
1.1 |
|
| 12 |
greg |
1.2 |
#include <ctype.h> |
| 13 |
|
|
|
| 14 |
greg |
2.5 |
#include "rtio.h" |
| 15 |
schorsch |
2.4 |
|
| 16 |
greg |
1.1 |
|
| 17 |
|
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int |
| 18 |
schorsch |
2.6 |
badarg( /* check argument list */ |
| 19 |
|
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int ac, |
| 20 |
greg |
2.7 |
char **av, |
| 21 |
greg |
2.12 |
const char *fl |
| 22 |
schorsch |
2.6 |
) |
| 23 |
greg |
1.1 |
{ |
| 24 |
greg |
2.7 |
int i; |
| 25 |
|
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char *s; |
| 26 |
greg |
1.1 |
|
| 27 |
|
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if (fl == NULL) |
| 28 |
|
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fl = ""; /* no arguments? */ |
| 29 |
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for (i = 1; *fl; i++,av++,fl++) { |
| 30 |
|
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if (i > ac || *av == NULL) |
| 31 |
|
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return(-1); |
| 32 |
greg |
2.7 |
s = *av; |
| 33 |
greg |
1.1 |
switch (*fl) { |
| 34 |
|
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case 's': /* string */ |
| 35 |
greg |
2.11 |
while (isspace(*s)) |
| 36 |
greg |
2.7 |
++s; |
| 37 |
greg |
2.11 |
if (!isprint(*s)) |
| 38 |
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return(i); |
| 39 |
|
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while (isprint(*s) | isspace(*s)) |
| 40 |
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++s; |
| 41 |
|
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if (*s) |
| 42 |
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return(i); |
| 43 |
greg |
1.1 |
break; |
| 44 |
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case 'i': /* integer */ |
| 45 |
greg |
2.7 |
if (!isintd(s, " \t\r\n")) |
| 46 |
greg |
1.1 |
return(i); |
| 47 |
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break; |
| 48 |
|
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case 'f': /* float */ |
| 49 |
greg |
2.7 |
if (!isfltd(s, " \t\r\n")) |
| 50 |
greg |
1.1 |
return(i); |
| 51 |
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break; |
| 52 |
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default: /* bad call! */ |
| 53 |
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return(-1); |
| 54 |
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} |
| 55 |
|
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} |
| 56 |
|
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return(0); /* all's well */ |
| 57 |
|
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} |
