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#ifndef lint |
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static const char RCSid[] = "$Id: badarg.c,v 2.8 2014/02/28 21:03:40 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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|
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#include "copyright.h" |
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|
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#include <ctype.h> |
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|
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#include "rtio.h" |
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|
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|
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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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|
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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 (*s == ' ') |
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++s; |
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if (!*s) |
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return(i); |
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do |
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if (!isprint(*s)) |
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return(i); |
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while (*++s); |
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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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} |
