46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* Build an attribute
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Author - Mitra
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(Steve - feel free to incorporate as you wish)
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*/
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#include <pfs.h>
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/* Build a PATTRIB, with its list of tokens */
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/* Note convention that calling routing passes last arg as (char *)0 */
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/* Also note , that passing (char *)1 will force the next argument to
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be pointed to, rather than copied (which is what tkappend does) */
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/* Return it - this fills in defaults, caller can override */
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PATTRIB
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vatbuild(char *name, va_list ap)
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{
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char *s;
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PATTRIB at = atalloc();
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at->aname = stcopy(name);
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/* If any of these arent reasonable defaults move up to callers */
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at->avtype = ATR_SEQUENCE;
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if (strequal(name, "ACCESS-METHOD"))
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at->nature = ATR_NATURE_FIELD;
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else if strequal(name,"CONTENTS")
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at->nature = ATR_NATURE_INTRINSIC;
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else
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at->nature = ATR_NATURE_APPLICATION;
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at->precedence = ATR_PREC_OBJECT;
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while(s = va_arg(ap, char *)) {
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if (s == (char *) 1) {
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at->value.sequence =
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tkappend(NULL,at->value.sequence);
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s = va_arg(ap, char *);
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at->value.sequence->previous->token = s;
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} else
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at->value.sequence =
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tkappend(s, at->value.sequence);
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}
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return(at);
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}
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