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pcireg: Add uncompressed database support

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RichardG867
2024-10-25 15:31:41 -03:00
parent 9a81a311dc
commit 6cb42625ae
1 changed files with 16 additions and 7 deletions
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23
pcireg/pcireg.c
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@@ -188,15 +188,23 @@ pciids_open_database(void **ptr, char id)
return 0;
fflush(stdout);
/* Open archive, and stop if the open failed. */
f = fopen("PCIIDS.LHA", "r" FOPEN_BINARY);
if (!f)
return 1;
/* Generate target filename. */
strcpy(target_filename, "PCIIDS_@.BIN");
target_filename[7] = id;
/* Open archive or uncompressed database, and stop if none could be opened. */
f = fopen("PCIIDS.LHA", "r" FOPEN_BINARY);
if (!f) {
f = fopen(target_filename, "r" FOPEN_BINARY);
if (!f)
return 1;
fseek(f, 0, SEEK_END);
original_size = packed_size = ftell(f);
fseek(f, 0, SEEK_SET);
method = '0';
goto found;
}
/* Go through archive. */
while (!feof(f)) {
/* Read LHA header. */
@@ -213,6 +221,7 @@ pciids_open_database(void **ptr, char id)
crc = !strcmp(filename, target_filename);
free(filename);
if (crc) {
found:
/* Allocate buffers for the compressed and decompressed data. */
*ptr = malloc(original_size);
if (!*ptr)
@@ -221,7 +230,7 @@ pciids_open_database(void **ptr, char id)
if (!buf)
goto fail;
/* Read and decompress data. */
/* Read and optionally decompress data. */
fseek(f, pos + header_size, SEEK_SET);
if (!fread(buf, packed_size, 1, f))
goto fail;
@@ -230,7 +239,7 @@ pciids_open_database(void **ptr, char id)
/* All done, close archive. */
fclose(f);
if (buf != *ptr)
if (method != '0')
free(buf);
return 0;
}