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#include "system.h"
#include <rpm/rpmtd.h>
#include <rpm/rpmstring.h>
#include <rpm/rpmpgp.h>
#include "debug.h"
typedef char * (*headerTagFormatFunction) (rpmtd td, char *formatPrefix);
extern void *rpmHeaderFormatFuncByValue(rpmtdFormats fmt);
rpmtd rpmtdNew(void)
{
rpmtd td = xmalloc(sizeof(*td));
rpmtdReset(td);
return td;
}
rpmtd rpmtdFree(rpmtd td)
{
/* permit free on NULL td */
if (td != NULL) {
/* XXX should we free data too - a flag maybe? */
free(td);
}
return NULL;
}
void rpmtdReset(rpmtd td)
{
assert(td != NULL);
memset(td, 0, sizeof(*td));
td->ix = -1;
}
void rpmtdFreeData(rpmtd td)
{
assert(td != NULL);
if (td->flags & RPMTD_ALLOCED) {
if (td->flags & RPMTD_PTR_ALLOCED) {
assert(td->data != NULL);
char **data = td->data;
for (int i = 0; i < td->count; i++) {
free(data[i]);
}
}
free(td->data);
}
rpmtdReset(td);
}
rpm_count_t rpmtdCount(rpmtd td)
{
assert(td != NULL);
/* fix up for binary type abusing count as data length */
return (td->type == RPM_BIN_TYPE) ? 1 : td->count;
}
rpmTag rpmtdTag(rpmtd td)
{
assert(td != NULL);
return td->tag;
}
rpmTagType rpmtdType(rpmtd td)
{
assert(td != NULL);
return td->type;
}
int rpmtdInit(rpmtd td)
{
assert(td != NULL);
/* XXX check that this is an array type? */
td->ix = -1;
return 0;
}
int rpmtdNext(rpmtd td)
{
assert(td != NULL);
int i = -1;
if (++td->ix >= 0) {
if (td->ix < rpmtdCount(td)) {
i = td->ix;
} else {
td->ix = i;
}
}
return i;
}
uint32_t *rpmtdNextUint32(rpmtd td)
{
assert(td != NULL);
uint32_t *res = NULL;
if (rpmtdNext(td) >= 0) {
res = rpmtdGetUint32(td);
}
return res;
}
const char *rpmtdNextString(rpmtd td)
{
assert(td != NULL);
const char *res = NULL;
if (rpmtdNext(td) >= 0) {
res = rpmtdGetString(td);
}
return res;
}
char * rpmtdGetChar(rpmtd td)
{
char *res = NULL;
assert(td != NULL);
if (td->type == RPM_CHAR_TYPE) {
int ix = (td->ix >= 0 ? td->ix : 0);
res = (char *) td->data + ix;
}
return res;
}
uint16_t * rpmtdGetUint16(rpmtd td)
{
uint16_t *res = NULL;
assert(td != NULL);
if (td->type == RPM_INT16_TYPE) {
int ix = (td->ix >= 0 ? td->ix : 0);
res = (uint16_t *) td->data + ix;
}
return res;
}
uint32_t * rpmtdGetUint32(rpmtd td)
{
uint32_t *res = NULL;
assert(td != NULL);
if (td->type == RPM_INT32_TYPE) {
int ix = (td->ix >= 0 ? td->ix : 0);
res = (uint32_t *) td->data + ix;
}
return res;
}
const char * rpmtdGetString(rpmtd td)
{
const char *str = NULL;
assert(td != NULL);
if (td->type == RPM_STRING_TYPE) {
str = (const char *) td->data;
} else if (td->type == RPM_STRING_ARRAY_TYPE ||
td->type == RPM_I18NSTRING_TYPE) {
/* XXX TODO: check for array bounds */
int ix = (td->ix >= 0 ? td->ix : 0);
str = *((const char**) td->data + ix);
}
return str;
}
char *rpmtdFormat(rpmtd td, rpmtdFormats fmt, const char *errmsg)
{
headerTagFormatFunction func = rpmHeaderFormatFuncByValue(fmt);
const char *err = NULL;
char *str = NULL;
if (func) {
char fmtbuf[50]; /* yuck, get rid of this */
strcpy(fmtbuf, "%");
str = func(td, fmtbuf);
} else {
err = _("Unknown format");
}
if (err && errmsg) {
errmsg = err;
}
return str;
}
int rpmtdFromArgv(rpmtd td, rpmTag tag, ARGV_t argv)
{
int count = argvCount(argv);
rpmTagType type = rpmTagGetType(tag) & RPM_MASK_TYPE;
if (type != RPM_STRING_ARRAY_TYPE || count < 1)
return 0;
assert(td != NULL);
rpmtdReset(td);
td->type = type;
td->tag = tag;
td->count = count;
td->data = argv;
return 1;
}
int rpmtdFromArgi(rpmtd td, rpmTag tag, ARGI_t argi)
{
int count = argiCount(argi);
rpmTagType type = rpmTagGetType(tag) & RPM_MASK_TYPE;
rpmTagReturnType retype = rpmTagGetType(tag) & RPM_MASK_RETURN_TYPE;
if (type != RPM_INT32_TYPE || retype != RPM_ARRAY_RETURN_TYPE || count < 1)
return 0;
assert(td != NULL);
rpmtdReset(td);
td->type = type;
td->tag = tag;
td->count = count;
td->data = argiData(argi);
return 1;
}
rpmtd rpmtdDup(rpmtd td)
{
rpmtd newtd = NULL;
char **data = NULL;
int i;
assert(td != NULL);
/* TODO: permit other types too */
if (td->type != RPM_STRING_ARRAY_TYPE && td->type != RPM_I18NSTRING_TYPE) {
return NULL;
}
/* deep-copy container and data, drop immutable flag */
newtd = rpmtdNew();
memcpy(newtd, td, sizeof(*td));
newtd->flags &= ~(RPMTD_IMMUTABLE);
newtd->flags |= (RPMTD_ALLOCED | RPMTD_PTR_ALLOCED);
newtd->data = data = xmalloc(td->count * sizeof(*data));
while ((i = rpmtdNext(td)) >= 0) {
data[i] = xstrdup(rpmtdGetString(td));
}
return newtd;
}
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