diff options
| -rw-r--r-- | mdxtest.c | 134 |
1 files changed, 70 insertions, 64 deletions
@@ -3,6 +3,8 @@ #define _GNU_SOURCE /* for strnlen */ #define HAS_READLINE /* remove if you don't have readline */ +//#define DEBUG + #include <stdlib.h> #include <stdio.h> #include <string.h> @@ -14,6 +16,12 @@ #endif #include "viewhtml.h" +#ifdef DEBUG +# define debug(...) fprintf(stderr, __VA_ARGS__) +#else +# define debug(...) do {} while (0) +#endif + typedef enum { MDE_Success = 0, MDE_BadSignature, @@ -198,9 +206,9 @@ static int mdstrcmp(const char *a, const char *b) { int i = strcasecmp(a, b); int j = _mdstrcmp(a, b); - fprintf(stderr, "strcasecmp %3d, _mdstrcmp %3d\n", i, j); + debug("strcasecmp %3d, _mdstrcmp %3d\n", i, j); if (sign(i) != sign(j)) { - fprintf(stderr, " %s\n %s\n", a, b); + debug(" %s\n %s\n", a, b); abort(); } return i; @@ -244,7 +252,7 @@ MDError parse_index_entry(const MDFile *file, uint8_t *data, bool last, check(get16(data, len, offset, &namelen)); check(getstring(data, len, offset, namelen, &entry->last_word)); - //fprintf(stderr, "from: %s\n", entry->last_word); + //debug("from: %s\n", entry->last_word); check(get32(data, len, offset, &entry->unknown1)); check(get32(data, len, offset, &entry->compressed_size)); @@ -263,7 +271,7 @@ MDError parse_index_entry(const MDFile *file, uint8_t *data, bool last, check(get16(data, len, offset, &namelen)); check(getstring(data, len, offset, namelen, &entry->next_word)); - //fprintf(stderr, "from: %s to: %s\n", entry->last_word, entry->next_word); + //debug("from: %s to: %s\n", entry->last_word, entry->next_word); return MDE_Success; } @@ -286,8 +294,8 @@ MDError read_index(FILE *input, MDFile *file) { free(index); return MDE_TruncatedFile; } - //fprintf(stderr, "compr crc32: %lx\n", crc32(0, compressed, csize)); - //for (int i = 0; i < csize; i++) fprintf(stderr, "%hx ", compressed[i]); + //debug("compr crc32: %lx\n", crc32(0, compressed, csize)); + //for (int i = 0; i < csize; i++) debug("%hx ", compressed[i]); int zstatus = uncompress(index, &usize, compressed, csize); free(compressed); @@ -298,9 +306,9 @@ MDError read_index(FILE *input, MDFile *file) { //file->index_count = byteswap32(*(uint32_t*)(index+4)); - fprintf(stderr, "unknown value: %d\n", byteswap32(*(uint32_t*)(index+4))); - fprintf(stderr, "uncompr crc32: %lx\n", crc32(0, index, usize)); - fprintf(stderr, " adler32: %lx\n", adler32(0, index, usize)); + debug("unknown value: %d\n", byteswap32(*(uint32_t*)(index+4))); + debug("uncompr crc32: %lx\n", crc32(0, index, usize)); + debug(" adler32: %lx\n", adler32(0, index, usize)); file->index = malloc((file->header.index_entries)*sizeof(MDIndexEntry)); if (!file->index) { @@ -310,7 +318,7 @@ MDError read_index(FILE *input, MDFile *file) { size_t offset = 11; off_t dataptr = ftello(input); for (size_t i = 0; i < file->header.index_entries; i++) { - //fprintf(stderr, "parsing entry %d. dataptr = %qd\n", i, dataptr); + //debug("parsing entry %d. dataptr = %qd\n", i, dataptr); check(parse_index_entry(file, index, (i == file->header.index_entries-1), &offset, &file->index[i])); file->index[i].offset = dataptr+8; @@ -329,14 +337,14 @@ MDError get_block_number(const MDFile *file, const char *word, size_t *number) { mdstrcmp(word, file->index[i].last_word), mdstrcmp(word, file->index[i].next_word));*/ -// fprintf(stderr, "compare %20s < %20s < %20s\n", first_word, word, file->index[i].last_word); +// debug("compare %20s < %20s < %20s\n", first_word, word, file->index[i].last_word); if (mdstrcmp(word, first_word) < 0) { fprintf(stderr, "can't get block number\n"); return MDE_EntryNotFound; } if (mdstrcmp(word, file->index[i].last_word) <= 0) { - fprintf(stderr, "matching block %d\n", i); + debug("matching block %d\n", i); *number = i; return MDE_Success; } @@ -352,19 +360,18 @@ MDError get_block(FILE *input, const MDIndexEntry *entry, fseeko(input, entry->offset, SEEK_SET); - fprintf(stderr, - " unkn1: %8d\n" - " compressed: %8d\n" - " unkn3: %8d\n" - " uncompressed: %8d\n" - " unkn5: %8d\n" - " unkn6: %8d\n", // maybe the difference of the first characters between the first/last word - entry->unknown1, - entry->compressed_size, - entry->unknown3, - entry->uncompressed_size, - entry->unknown5, - entry->unknown6); + debug(" unkn1: %8d\n" + " compressed: %8d\n" + " unkn3: %8d\n" + " uncompressed: %8d\n" + " unkn5: %8d\n" + " unkn6: %8d\n", // maybe the difference of the first characters between the first/last word + entry->unknown1, + entry->compressed_size, + entry->unknown3, + entry->uncompressed_size, + entry->unknown5, + entry->unknown6); uint8_t *compressed = malloc(entry->compressed_size); *block = malloc(usize); @@ -373,7 +380,7 @@ MDError get_block(FILE *input, const MDIndexEntry *entry, free(compressed); return MDE_OutOfMemory; } - fprintf(stderr, "reading from %qd (%d bytes)\n", entry->offset, entry->compressed_size); + debug("reading from %qd (%d bytes)\n", entry->offset, entry->compressed_size); if (fread(compressed, entry->compressed_size, 1, input) != 1) { free(compressed); return MDE_TruncatedFile; @@ -406,14 +413,14 @@ MDError find_offset_in_block(const MDFile *file, const uint8_t *block, size_t bl //printf("compare %s %s\n", name, (const char*)(block + blockpos + 8)); if (!mdstrcmp((const char*)(block + blockpos + 8), name)) return MDE_Success; /*if (mdstrcmp((const char*)(block + blockpos + 8), name) > 0) { - for (const char *c = (char*)(block + blockpos + 8); *c; c++) fprintf(stderr, "%hhx[%c] ", *c, *c); - fprintf(stderr, "\n"); + for (const char *c = (char*)(block + blockpos + 8); *c; c++) debug("%hhx[%c] ", *c, *c); + debug("\n"); return MDE_EntryNotFound; }*/ blockpos += 8 + strlen((const char*)(block + blockpos + 8)) + 1; } - //fprintf(stderr, "can't get offset in block\n"); + //debug("can't get offset in block\n"); return MDE_EntryNotFound; } @@ -509,7 +516,7 @@ MDError get_article(FILE *input, const MDFile *file, const char *name, /* Locate index block */ check(get_block_number(file, name, &blocknum)); - fprintf(stderr, "blocknum = %d\n", blocknum); + debug("blocknum = %d\n", blocknum); check(get_block(input, &file->index[blocknum], &block, &blocklen)); //fwrite(block, file->index[0].uncompressed_size, 1, stdout); @@ -521,8 +528,8 @@ MDError get_article(FILE *input, const MDFile *file, const char *name, lengths = &file->lengths[length_entry_number]; offsets = &file->offsets[length_entry_number]; - fprintf(stderr, "whole_mem_offset = %qd, disk_offset[%d] = %qd (articles_start is %qd)\n", article_offs, length_entry_number, offsets->disk, file->articles_start); - fprintf(stderr, "lengths: mem %d disk: %d\n", lengths->mem_size, lengths->disk_size); + debug("whole_mem_offset = %qd, disk_offset[%d] = %qd (articles_start is %qd)\n", article_offs, length_entry_number, offsets->disk, file->articles_start); + debug("lengths: mem %d disk: %d\n", lengths->mem_size, lengths->disk_size); /*printf("article_offs: %1$qx = %1$qd (articles_start is %2$qd)\n", article_offs + file->articles_start, file->articles_start); printf(" + header: %1$qx = %1$qd\n", article_offs + file->header_end); printf(" + index: %1$qx = %1$qd\n", article_offs + file->header_end + file->header.index_containersize); @@ -541,13 +548,13 @@ MDError get_article(FILE *input, const MDFile *file, const char *name, free(compressed); return MDE_OutOfMemory; } - fprintf(stderr, "reading articles (%d bytes)\n", lengths->disk_size); + debug("reading articles (%d bytes)\n", lengths->disk_size); if (fread(compressed, lengths->disk_size, 1, input) != 1) { free(compressed); return MDE_TruncatedFile; } - //fprintf(stderr, "disksize = %d memsize = %d\n", lengths->disk_size, lengths->mem_size); + //debug("disksize = %d memsize = %d\n", lengths->disk_size, lengths->mem_size); uLongf usize = lengths->mem_size; int zstatus = uncompress(articles, &usize, @@ -558,13 +565,13 @@ MDError get_article(FILE *input, const MDFile *file, const char *name, free(articles); return MDE_DecompressionFailed; } - fprintf(stderr, "lengths: mem %d\n", usize); + debug("lengths: mem %d\n", usize); /* Extract the right article */ //article_offs size_t internal_offset = article_offs - offsets->mem; const char *article_start = (char*)&articles[internal_offset]; - fprintf(stderr, "articles = %p + offs (%d) = %p\n", articles, internal_offset, &articles[internal_offset]); + debug("articles = %p + offs (%d) = %p\n", articles, internal_offset, &articles[internal_offset]); size_t article_length = strnlen(article_start, /*lengths->mem_size*/ usize - internal_offset); *article = malloc(article_length+1); @@ -582,32 +589,31 @@ MDError init_file(FILE *input, MDFile *file) { check(read_header(input, &file->header)); file->header_end = ftello(input); - fprintf(stderr, - " meta_csum?: %.8x\n" - " unkn2: %8d\n" - "index entries: %8d\n" - " unkn4: %8d\n" - " num entries: %8d\n" - " unkn6: %8d\n" - " index_msize: %8d\n" - " unkn8: %8d\n" - " index_csize: %8d\n" - " unkn10: %8d\n" - " unkn11: %8d\n" - " unkn12: %.8x\n", - file->header.metadata_checksum, - file->header.unknown2, - file->header.index_entries, - file->header.unknown4, - file->header.num_entries, - file->header.unknown6, - file->header.index_memsize, - file->header.unknown8, - file->header.index_containersize, - file->header.unknown10, - file->header.unknown11, - file->header.unknown12); - fprintf(stderr, " header end: %8qd\n", file->header_end); + debug(" meta_csum?: %.8x\n" + " unkn2: %8d\n" + "index entries: %8d\n" + " unkn4: %8d\n" + " num entries: %8d\n" + " unkn6: %8d\n" + " index_msize: %8d\n" + " unkn8: %8d\n" + " index_csize: %8d\n" + " unkn10: %8d\n" + " unkn11: %8d\n" + " unkn12: %.8x\n", + file->header.metadata_checksum, + file->header.unknown2, + file->header.index_entries, + file->header.unknown4, + file->header.num_entries, + file->header.unknown6, + file->header.index_memsize, + file->header.unknown8, + file->header.index_containersize, + file->header.unknown10, + file->header.unknown11, + file->header.unknown12); + debug(" header end: %8qd\n", file->header_end); check(read_index(input, file)); check(read_lengthtables(input, file)); @@ -661,8 +667,8 @@ MDError list_words(FILE *input, const MDFile *file, const char *beginning) { printf(" %s\n", current_word); } /*if (mdstrcmp((const char*)(block + blockpos + 8), beginning) > 0) { - for (const char *c = (char*)(block + blockpos + 8); *c; c++) fprintf(stderr, "%hhx[%c] ", *c, *c); - fprintf(stderr, "\n"); + for (const char *c = (char*)(block + blockpos + 8); *c; c++) debug("%hhx[%c] ", *c, *c); + debug("\n"); return MDE_EntryNotFound; }*/ previous_word = current_word; |