94 lines
1.4 KiB
C
94 lines
1.4 KiB
C
#include "system.h"
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#include <rpm/rpmtd.h>
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#include <rpm/rpmstring.h>
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#include "debug.h"
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rpmtd rpmtdNew(void)
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{
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rpmtd td = xmalloc(sizeof(*td));
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rpmtdReset(td);
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return td;
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}
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rpmtd rpmtdFree(rpmtd td)
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{
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/* permit free on NULL td */
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if (td != NULL) {
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/* XXX should we free data too - a flag maybe? */
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free(td);
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}
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return NULL;
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}
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void rpmtdReset(rpmtd td)
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{
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assert(td != NULL);
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memset(td, 0, sizeof(*td));
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td->ix = -1;
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}
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void rpmtdFreeData(rpmtd td)
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{
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assert(td != NULL);
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if (td->freeData) {
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free(td->data);
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}
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rpmtdReset(td);
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}
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rpm_count_t rpmtdCount(rpmtd td)
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{
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assert(td != NULL);
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return td->count;
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}
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rpmTag rpmtdTag(rpmtd td)
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{
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assert(td != NULL);
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return td->tag;
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}
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int rpmtdInit(rpmtd td)
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{
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assert(td != NULL);
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/* XXX check that this is an array type? */
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td->ix = -1;
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return 0;
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}
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int rpmtdNext(rpmtd td)
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{
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int i = -1;
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assert(td != NULL);
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if (++td->ix >= 0) {
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if (td->ix < td->count) {
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i = td->ix;
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} else {
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td->ix = i;
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}
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}
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return i;
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}
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const char * rpmtdGetString(rpmtd td)
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{
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const char *str = NULL;
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assert(td != NULL);
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if (td->type == RPM_STRING_TYPE) {
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str = (const char *) td->data;
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} else if (td->type == RPM_STRING_ARRAY_TYPE) {
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/* XXX TODO: check for array bounds */
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int ix = (td->ix >= 0 ? td->ix : 0);
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str = *((const char**) td->data + ix);
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}
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return str;
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}
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