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#if defined(__MINGW32__)
// Needed for %zu
#define __USE_MINGW_ANSI_STDIO 1
#endif
#include "../hidapi_descriptor_reconstruct.h"
#include <stddef.h>
#include <stdio.h>
#include <string.h>
static hidp_preparsed_data * alloc_preparsed_data_from_file(char* filename)
{
FILE* file;
errno_t err = fopen_s(&file, filename, "r");
if (err != 0) {
fprintf(stderr, "ERROR: Couldn't open file '%s' for reading: %s\n", filename, strerror(err));
return NULL;
}
char line[256];
{
unsigned short vendor_id = 0;
unsigned short product_id = 0;
unsigned short usage = 0;
unsigned short usage_page = 0;
unsigned short release_number = 0;
int interface_number = -1;
BOOLEAN header_read_success = FALSE;
char manufacturer_string[128];
manufacturer_string[0] = '\0';
char product_string[128];
product_string[0] = '\0';
// char path[128];
// path[0] = '\0';
while (fgets(line, sizeof(line), file) != NULL) {
if (line[0] == '\r' || line[0] == '\n') {
line[0] = '\0';
}
if (line[0] == '\0') {
// read the 'metadata' only until the first empty line
header_read_success = TRUE;
break;
}
if (sscanf(line, "dev->vendor_id = 0x%04hX\n", &vendor_id)) continue;
if (sscanf(line, "dev->product_id = 0x%04hX\n", &product_id)) continue;
if (sscanf(line, "dev->usage_page = 0x%04hX\n", &usage_page)) continue;
if (sscanf(line, "dev->usage = 0x%04hX\n", &usage)) continue;
if (sscanf(line, "dev->manufacturer_string = \"%127[^\"\n]", manufacturer_string)) continue;
if (sscanf(line, "dev->product_string = \"%127[^\"\n]", product_string)) continue;
if (sscanf(line, "dev->release_number = 0x%04hX\n", &release_number)) continue;
if (sscanf(line, "dev->interface_number = %d\n", &interface_number)) continue;
// if (sscanf(line, "dev->path = \"%127[^\"]\n", path)) continue;
}
if (!header_read_success) {
fprintf(stderr, "ERROR: Couldn't read PP Data header (missing newline)\n");
fclose(file);
return NULL;
}
printf("'Virtual' Device Read: %04hx %04hx\n", vendor_id, product_id);
if (manufacturer_string[0] != '\0') {
printf(" Manufacturer: %s\n", manufacturer_string);
}
if (product_string[0] != '\0') {
printf(" Product: %s\n", product_string);
}
printf(" Release: %hx\n", release_number);
printf(" Interface: %d\n", interface_number);
printf(" Usage (page): 0x%hx (0x%hx)\n", usage, usage_page);
}
hidp_preparsed_data static_pp_data;
memset(&static_pp_data, 0, sizeof(static_pp_data));
hidp_preparsed_data *pp_data = &static_pp_data;
unsigned int rt_idx;
unsigned int caps_idx;
unsigned int token_idx;
unsigned int coll_idx;
USAGE temp_usage;
BOOLEAN temp_boolean[3];
UCHAR temp_uchar[3];
USHORT temp_ushort;
ULONG temp_ulong;
LONG temp_long;
USHORT FirstByteOfLinkCollectionArray = 0;
USHORT NumberLinkCollectionNodes = 0;
while (fgets(line, sizeof(line), file) != NULL) {
if (line[0] == '#')
continue;
if (FirstByteOfLinkCollectionArray != 0 && NumberLinkCollectionNodes != 0) {
size_t size_of_preparsed_data = offsetof(hidp_preparsed_data, caps) + FirstByteOfLinkCollectionArray + (NumberLinkCollectionNodes * sizeof(hid_pp_link_collection_node));
pp_data->FirstByteOfLinkCollectionArray = FirstByteOfLinkCollectionArray;
pp_data->NumberLinkCollectionNodes = NumberLinkCollectionNodes;
FirstByteOfLinkCollectionArray = 0;
NumberLinkCollectionNodes = 0;
pp_data = malloc(size_of_preparsed_data);
memcpy(pp_data, &static_pp_data, sizeof(static_pp_data));
}
if (sscanf(line, "pp_data->MagicKey = 0x%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX\n", &pp_data->MagicKey[0], &pp_data->MagicKey[1], &pp_data->MagicKey[2], &pp_data->MagicKey[3], &pp_data->MagicKey[4], &pp_data->MagicKey[5], &pp_data->MagicKey[6], &pp_data->MagicKey[7])) continue;
if (sscanf(line, "pp_data->Usage = 0x%04hX\n", &pp_data->Usage)) continue;
if (sscanf(line, "pp_data->UsagePage = 0x%04hX\n", &pp_data->UsagePage)) continue;
if (sscanf(line, "pp_data->Reserved = 0x%04hX%04hX\n", &pp_data->Reserved[0], &pp_data->Reserved[1])) continue;
if (sscanf(line, "pp_data->caps_info[%u]", &rt_idx) == 1) {
const size_t caps_info_count = sizeof(pp_data->caps_info) / sizeof(pp_data->caps_info[0]);
if (rt_idx >= caps_info_count) {
fprintf(stderr, "Broken pp_data file, pp_data->caps_info[<idx>] can have at most %zu elements, accessing %ud, (%s)", caps_info_count, rt_idx, line);
continue;
}
if (sscanf(line, "pp_data->caps_info[%u]->FirstCap = %hu\n", &rt_idx, &temp_ushort) == 2) {
pp_data->caps_info[rt_idx].FirstCap = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->caps_info[%u]->LastCap = %hu\n", &rt_idx, &temp_ushort) == 2) {
pp_data->caps_info[rt_idx].LastCap = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->caps_info[%u]->NumberOfCaps = %hu\n", &rt_idx, &temp_ushort) == 2) {
pp_data->caps_info[rt_idx].NumberOfCaps = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->caps_info[%u]->ReportByteLength = %hu\n", &rt_idx, &temp_ushort) == 2) {
pp_data->caps_info[rt_idx].ReportByteLength = temp_ushort;
continue;
}
fprintf(stderr, "Ignoring unimplemented caps_info field: %s", line);
continue;
}
if (sscanf(line, "pp_data->FirstByteOfLinkCollectionArray = 0x%04hX\n", &FirstByteOfLinkCollectionArray)) {
continue;
}
if (sscanf(line, "pp_data->NumberLinkCollectionNodes = %hu\n", &NumberLinkCollectionNodes)) {
continue;
}
if (sscanf(line, "pp_data->cap[%u]", &caps_idx) == 1) {
if (pp_data->FirstByteOfLinkCollectionArray == 0) {
fprintf(stderr, "Error reading pp_data file (%s): FirstByteOfLinkCollectionArray is 0 or not reported yet\n", line);
continue;
}
if ((caps_idx + 1) * sizeof(hid_pp_cap) > pp_data->FirstByteOfLinkCollectionArray) {
fprintf(stderr, "Error reading pp_data file (%s): the caps index (%u) is out of pp_data bytes boundary (%hu vs %hu)\n", line, caps_idx, (unsigned short) ((caps_idx + 1) * sizeof(hid_pp_cap)), pp_data->FirstByteOfLinkCollectionArray);
continue;
}
if (sscanf(line, "pp_data->cap[%u]->UsagePage = 0x%04hX\n", &caps_idx, &temp_usage) == 2) {
pp_data->caps[caps_idx].UsagePage = temp_usage;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->ReportID = 0x%02hhX\n", &caps_idx, &temp_uchar[0]) == 2) {
pp_data->caps[caps_idx].ReportID = temp_uchar[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->BitPosition = %hhu\n", &caps_idx, &temp_uchar[0]) == 2) {
pp_data->caps[caps_idx].BitPosition = temp_uchar[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->BitSize = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].ReportSize = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->ReportCount = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].ReportCount = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->BytePosition = 0x%04hX\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].BytePosition = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->BitCount = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].BitCount = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->BitField = 0x%02lX\n", &caps_idx, &temp_ulong) == 2) {
pp_data->caps[caps_idx].BitField = temp_ulong;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NextBytePosition = 0x%04hX\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].NextBytePosition = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->LinkCollection = 0x%04hX\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].LinkCollection = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->LinkUsagePage = 0x%04hX\n", &caps_idx, &temp_usage) == 2) {
pp_data->caps[caps_idx].LinkUsagePage = temp_usage;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->LinkUsage = 0x%04hX\n", &caps_idx, &temp_usage) == 2) {
pp_data->caps[caps_idx].LinkUsage = temp_usage;
continue;
}
// 8 Flags in one byte
if (sscanf(line, "pp_data->cap[%u]->IsMultipleItemsForArray = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].IsMultipleItemsForArray = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->IsButtonCap = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].IsButtonCap = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->IsPadding = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].IsPadding = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->IsAbsolute = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].IsAbsolute = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->IsRange = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].IsRange = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->IsAlias = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].IsAlias = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->IsStringRange = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].IsStringRange = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->IsDesignatorRange = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].IsDesignatorRange = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Reserved1 = 0x%hhu%hhu%hhu\n", &caps_idx, &temp_uchar[0], &temp_uchar[1], &temp_uchar[2]) == 4) {
pp_data->caps[caps_idx].Reserved1[0] = temp_uchar[0];
pp_data->caps[caps_idx].Reserved1[1] = temp_uchar[1];
pp_data->caps[caps_idx].Reserved1[2] = temp_uchar[2];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->pp_cap->UnknownTokens[%u]", &caps_idx, &token_idx) == 2) {
const size_t unknown_tokens_count = sizeof(pp_data->caps[0].UnknownTokens) / sizeof(pp_data->caps[0].UnknownTokens[0]);
if (token_idx >= unknown_tokens_count) {
fprintf(stderr, "Broken pp_data file, pp_data->caps[<idx>].UnknownTokens[<idx>] can have at most %zu elements, accessing %ud, (%s)", unknown_tokens_count, token_idx, line);
continue;
}
if (sscanf(line, "pp_data->cap[%u]->pp_cap->UnknownTokens[%u].Token = 0x%02hhX\n", &caps_idx, &token_idx, &temp_uchar[0]) == 3) {
pp_data->caps[caps_idx].UnknownTokens[token_idx].Token = temp_uchar[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->pp_cap->UnknownTokens[%u].Reserved = 0x%02hhX%02hhX%02hhX\n", &caps_idx, &token_idx, &temp_uchar[0], &temp_uchar[1], &temp_uchar[2]) == 5) {
pp_data->caps[caps_idx].UnknownTokens[token_idx].Reserved[0] = temp_uchar[0];
pp_data->caps[caps_idx].UnknownTokens[token_idx].Reserved[1] = temp_uchar[1];
pp_data->caps[caps_idx].UnknownTokens[token_idx].Reserved[2] = temp_uchar[2];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->pp_cap->UnknownTokens[%u].BitField = 0x%08lX\n", &caps_idx, &token_idx, &temp_ulong) == 3) {
pp_data->caps[caps_idx].UnknownTokens[token_idx].BitField = temp_ulong;
continue;
}
fprintf(stderr, "Ignoring unimplemented pp_data->cap[]->pp_cap->UnknownTokens field: %s", line);
continue;
}
// Range
if (sscanf(line, "pp_data->cap[%u]->Range.UsageMin = 0x%04hX\n", &caps_idx, &temp_usage) == 2) {
pp_data->caps[caps_idx].Range.UsageMin = temp_usage;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Range.UsageMax = 0x%04hX\n", &caps_idx, &temp_usage) == 2) {
pp_data->caps[caps_idx].Range.UsageMax = temp_usage;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Range.StringMin = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].Range.StringMin = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Range.StringMax = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].Range.StringMax = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Range.DesignatorMin = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].Range.DesignatorMin = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Range.DesignatorMax = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].Range.DesignatorMax = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Range.DataIndexMin = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].Range.DataIndexMin = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Range.DataIndexMax = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].Range.DataIndexMax = temp_ushort;
continue;
}
// NotRange
if (sscanf(line, "pp_data->cap[%u]->NotRange.Usage = 0x%04hX\n", &caps_idx, &temp_usage) == 2) {
pp_data->caps[caps_idx].NotRange.Usage = temp_usage;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotRange.Reserved1 = 0x%04hX\n", &caps_idx, &temp_usage) == 2) {
pp_data->caps[caps_idx].NotRange.Reserved1 = temp_usage;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotRange.StringIndex = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].NotRange.StringIndex = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotRange.Reserved2 = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].NotRange.Reserved2 = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotRange.DesignatorIndex = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].NotRange.DesignatorIndex = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotRange.Reserved3 = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].NotRange.Reserved3 = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotRange.DataIndex = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].NotRange.DataIndex = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotRange.Reserved4 = %hu\n", &caps_idx, &temp_ushort) == 2) {
pp_data->caps[caps_idx].NotRange.Reserved4 = temp_ushort;
continue;
}
// Button
if (sscanf(line, "pp_data->cap[%u]->Button.LogicalMin = %ld\n", &caps_idx, &temp_long) == 2) {
pp_data->caps[caps_idx].Button.LogicalMin = temp_long;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Button.LogicalMax = %ld\n", &caps_idx, &temp_long) == 2) {
pp_data->caps[caps_idx].Button.LogicalMax = temp_long;
continue;
}
// NotButton
if (sscanf(line, "pp_data->cap[%u]->NotButton.HasNull = %hhu\n", &caps_idx, &temp_boolean[0]) == 2) {
pp_data->caps[caps_idx].NotButton.HasNull = temp_boolean[0];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotButton.Reserved4 = 0x%02hhX%02hhX%02hhX\n", &caps_idx, &temp_uchar[0], &temp_uchar[1], &temp_uchar[2]) == 4) {
pp_data->caps[caps_idx].NotButton.Reserved4[0] = temp_uchar[0];
pp_data->caps[caps_idx].NotButton.Reserved4[1] = temp_uchar[1];
pp_data->caps[caps_idx].NotButton.Reserved4[2] = temp_uchar[2];
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotButton.LogicalMin = %ld\n", &caps_idx, &temp_long) == 2) {
pp_data->caps[caps_idx].NotButton.LogicalMin = temp_long;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotButton.LogicalMax = %ld\n", &caps_idx, &temp_long) == 2) {
pp_data->caps[caps_idx].NotButton.LogicalMax = temp_long;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotButton.PhysicalMin = %ld\n", &caps_idx, &temp_long) == 2) {
pp_data->caps[caps_idx].NotButton.PhysicalMin = temp_long;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->NotButton.PhysicalMax = %ld\n", &caps_idx, &temp_long) == 2) {
pp_data->caps[caps_idx].NotButton.PhysicalMax = temp_long;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Units = %lu\n", &caps_idx, &temp_ulong) == 2) {
pp_data->caps[caps_idx].Units = temp_ulong;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->UnitsExp = %lu\n", &caps_idx, &temp_ulong) == 2) {
pp_data->caps[caps_idx].UnitsExp = temp_ulong;
continue;
}
if (sscanf(line, "pp_data->cap[%u]->Reserved1 = 0x%02hhu%02hhu%02hhu\n", &coll_idx, &temp_uchar[0], &temp_uchar[1], &temp_uchar[2]) == 4) {
pp_data->caps[caps_idx].Reserved1[0] = temp_uchar[0];
pp_data->caps[caps_idx].Reserved1[1] = temp_uchar[1];
pp_data->caps[caps_idx].Reserved1[2] = temp_uchar[2];
continue;
}
fprintf(stderr, "Ignoring unimplemented cap field: %s", line);
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]", &coll_idx) == 1) {
if (pp_data->FirstByteOfLinkCollectionArray == 0 || pp_data->NumberLinkCollectionNodes == 0) {
fprintf(stderr, "Error reading pp_data file (%s): FirstByteOfLinkCollectionArray or NumberLinkCollectionNodes is 0 or not reported yet\n", line);
continue;
}
if (coll_idx >= pp_data->NumberLinkCollectionNodes) {
fprintf(stderr, "Error reading pp_data file (%s): the LinkCollection index (%u) is out of boundary (%hu)\n", line, coll_idx, pp_data->NumberLinkCollectionNodes);
continue;
}
phid_pp_link_collection_node pcoll = (phid_pp_link_collection_node)(((unsigned char*)&pp_data->caps[0]) + pp_data->FirstByteOfLinkCollectionArray);
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->LinkUsage = 0x%04hX\n", &coll_idx, &temp_usage) == 2) {
pcoll[coll_idx].LinkUsage = temp_usage;
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->LinkUsagePage = 0x%04hX\n", &coll_idx, &temp_usage) == 2) {
pcoll[coll_idx].LinkUsagePage = temp_usage;
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->Parent = %hu\n", &coll_idx, &temp_ushort) == 2) {
pcoll[coll_idx].Parent = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->NumberOfChildren = %hu\n", &coll_idx, &temp_ushort) == 2) {
pcoll[coll_idx].NumberOfChildren = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->NextSibling = %hu\n", &coll_idx, &temp_ushort) == 2) {
pcoll[coll_idx].NextSibling = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->FirstChild = %hu\n", &coll_idx, &temp_ushort) == 2) {
pcoll[coll_idx].FirstChild = temp_ushort;
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->CollectionType = %lu\n", &coll_idx, &temp_ulong) == 2) {
pcoll[coll_idx].CollectionType = temp_ulong;
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->IsAlias = %lu\n", &coll_idx, &temp_ulong) == 2) {
pcoll[coll_idx].IsAlias = temp_ulong;
continue;
}
if (sscanf(line, "pp_data->LinkCollectionArray[%u]->Reserved = %lu\n", &coll_idx, &temp_ulong) == 2) {
pcoll[coll_idx].Reserved = temp_ulong;
continue;
}
fprintf(stderr, "Ignoring unimplemented LinkCollectionArray field: %s", line);
continue;
}
}
//end:
fclose(file);
if (pp_data == &static_pp_data) {
return NULL;
}
return pp_data;
}
static BOOLEAN read_hex_data_from_text_file(const char *filename, unsigned char *data_out, size_t data_size, size_t *actual_read)
{
size_t read_index = 0;
FILE* file = NULL;
errno_t err = fopen_s(&file, filename, "r");
if (err != 0) {
fprintf(stderr, "ERROR: Couldn't open file '%s' for reading: %s\n", filename, strerror(err));
return FALSE;
}
BOOLEAN result = TRUE;
unsigned int val;
char buf[16];
while (fscanf(file, "%15s", buf) == 1) {
if (sscanf(buf, "0x%X", &val) != 1) {
fprintf(stderr, "Invalid HEX text ('%s') file, got %s\n", filename, buf);
result = FALSE;
goto end;
}
if (read_index >= data_size) {
fprintf(stderr, "Buffer for file read is too small. Got only %zu bytes to read '%s'\n", data_size, filename);
result = FALSE;
goto end;
}
if (val > (unsigned char)-1) {
fprintf(stderr, "Invalid HEX text ('%s') file, got a value of: %u\n", filename, val);
result = FALSE;
goto end;
}
data_out[read_index] = (unsigned char) val;
read_index++;
}
if (!feof(file)) {
fprintf(stderr, "Invalid HEX text ('%s') file - failed to read all values\n", filename);
result = FALSE;
goto end;
}
*actual_read = read_index;
end:
fclose(file);
return result;
}
int main(int argc, char* argv[])
{
if (argc != 3) {
fprintf(stderr, "Expected 2 arguments for the test ('<>.pp_data' and '<>_expected.rpt_desc'), got: %d\n", argc - 1);
return EXIT_FAILURE;
}
printf("Checking: '%s' / '%s'\n", argv[1], argv[2]);
hidp_preparsed_data *pp_data = alloc_preparsed_data_from_file(argv[1]);
if (pp_data == NULL) {
return EXIT_FAILURE;
}
int result = EXIT_SUCCESS;
unsigned char report_descriptor[HID_API_MAX_REPORT_DESCRIPTOR_SIZE];
int res = hid_winapi_descriptor_reconstruct_pp_data(pp_data, report_descriptor, sizeof(report_descriptor));
if (res < 0) {
result = EXIT_FAILURE;
fprintf(stderr, "Failed to reconstruct descriptor");
goto end;
}
size_t report_descriptor_size = (size_t) res;
unsigned char expected_report_descriptor[HID_API_MAX_REPORT_DESCRIPTOR_SIZE];
size_t expected_report_descriptor_size = 0;
if (!read_hex_data_from_text_file(argv[2], expected_report_descriptor, sizeof(expected_report_descriptor), &expected_report_descriptor_size)) {
result = EXIT_FAILURE;
goto end;
}
if (report_descriptor_size == expected_report_descriptor_size) {
if (memcmp(report_descriptor, expected_report_descriptor, report_descriptor_size) == 0) {
printf("Reconstructed Report Descriptor matches the expected descriptor\n");
goto end;
}
else {
result = EXIT_FAILURE;
fprintf(stderr, "Reconstructed Report Descriptor has different content than expected\n");
}
}
else {
result = EXIT_FAILURE;
fprintf(stderr, "Reconstructed Report Descriptor has different size: %zu when expected %zu\n", report_descriptor_size, expected_report_descriptor_size);
}
printf(" Reconstructed Report Descriptor:\n");
for (int i = 0; i < res; i++) {
printf("0x%02X, ", report_descriptor[i]);
}
printf("\n");
fflush(stdout);
end:
free(pp_data);
return result;
}
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