45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
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/* queryparam.h - query program parameters Author: Kees J. Bot
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* 22 Apr 1994
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*/
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#ifndef _MINIX__QUERYPARAM_H
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#define _MINIX__QUERYPARAM_H
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typedef size_t _mnx_size_t;
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struct export_param_list {
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char *name; /* "variable", "[", ".field", or NULL. */
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void *offset; /* Address of a variable or field offset. */
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size_t size; /* Size of the resulting object. */
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};
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struct export_params {
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struct export_param_list *list; /* List of exported parameters. */
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struct export_params *next; /* Link several sets of parameters. */
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};
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#ifdef __STDC__
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#define qp_stringize(var) #var
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#define qp_dotstringize(var) "." #var
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#else
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#define qp_stringize(var) "var"
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#define qp_dotstringize(var) ".var"
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#endif
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#define QP_VARIABLE(var) { qp_stringize(var), &(var), sizeof(var) }
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#define QP_ARRAY(var) { "[", 0, sizeof((var)[0]) }
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#define QP_VECTOR(var,ptr,len) { qp_stringize(var), &(ptr), -1 },\
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{ "[", &(len), sizeof(*(ptr)) }
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#define QP_FIELD(field, type) { qp_dotstringize(field), \
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(void *)offsetof(type, field), \
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sizeof(((type *)0)->field) }
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#define QP_END() { 0, 0, 0 }
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void qp_export(struct export_params *_ex_params);
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int queryparam(int (*_qgetc) (void), void **_paddress, _mnx_size_t
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*_psize);
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_mnx_size_t paramvalue(char **_value, void *_address, _mnx_size_t
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_size);
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#endif /* _MINIX__QUERYPARAM_H */
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/* $PchId: queryparam.h,v 1.1 2005/06/28 14:31:26 philip Exp $ */
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