Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.
My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.
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diff --git a/apps/tagcache.c b/apps/tagcache.c index 055f439..540f403 100644 @@ -168,12 +168,6 @@ struct tagfile_entry { char tag_data[0]; /* Begin of the tag data */ }; -/* Fixed-size tag entry in master db index. */ -struct index_entry { - int32_t tag_seek[TAG_COUNT]; /* Location of tag data or numeric tag data */ - int32_t flag; /* Status flags */ -}; - /* Header is the same in every file. */ struct tagcache_header { int32_t magic; /* Header version number */ @@ -204,7 +198,7 @@ static struct master_header current_tcmh; /* Header is created when loading database to ram. */ struct ramcache_header { struct master_header h; /* Header from the master index */ - struct index_entry *indices; /* Master index file content */ + struct tagcache_index_entry *indices; /* Master index file content */ char *tags[TAG_COUNT]; /* Tag file content (not including filename tag) */ int entry_count[TAG_COUNT]; /* Number of entries in the indices. */ }; @@ -578,7 +572,7 @@ bool tagcache_find_index(struct tagcache_search *tcs, const char *filename) } static bool get_index(int masterfd, int idxid, - struct index_entry *idx, bool use_ram) + struct tagcache_index_entry *idx, bool use_ram) { bool localfd = false; @@ -594,7 +588,7 @@ static bool get_index(int masterfd, int idxid, if (hdr->indices[idxid].flag & FLAG_DELETED) return false; - memcpy(idx, &hdr->indices[idxid], sizeof(struct index_entry)); + memcpy(idx, &hdr->indices[idxid], sizeof(struct tagcache_index_entry)); return true; } #else @@ -611,10 +605,10 @@ static bool get_index(int masterfd, int idxid, return false; } - lseek(masterfd, idxid * sizeof(struct index_entry) + lseek(masterfd, idxid * sizeof(struct tagcache_index_entry) + sizeof(struct master_header), SEEK_SET); if (ecread(masterfd, idx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("read error #3"); if (localfd) @@ -634,7 +628,7 @@ static bool get_index(int masterfd, int idxid, #ifndef __PCTOOL__ -static bool write_index(int masterfd, int idxid, struct index_entry *idx) +static bool write_index(int masterfd, int idxid, struct tagcache_index_entry *idx) { /* We need to exclude all memory only flags & tags when writing to disk. */ if (idx->flag & FLAG_DIRCACHE) @@ -650,7 +644,7 @@ static bool write_index(int masterfd, int idxid, struct index_entry *idx) if (tc_stat.ramcache) { int tag; - struct index_entry *idx_ram = &hdr->indices[idxid]; + struct tagcache_index_entry *idx_ram = &hdr->indices[idxid]; for (tag = 0; tag < TAG_COUNT; tag++) { @@ -666,10 +660,10 @@ static bool write_index(int masterfd, int idxid, struct index_entry *idx) } #endif - lseek(masterfd, idxid * sizeof(struct index_entry) + lseek(masterfd, idxid * sizeof(struct tagcache_index_entry) + sizeof(struct master_header), SEEK_SET); if (ecwrite(masterfd, idx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("write error #3"); logf("idxid: %d", idxid); @@ -685,10 +679,8 @@ static bool open_files(struct tagcache_search *tcs, int tag) { if (tcs->idxfd[tag] < 0) { - char fn[MAX_PATH]; - - snprintf(fn, sizeof fn, TAGCACHE_FILE_INDEX, tag); - tcs->idxfd[tag] = open(fn, O_RDONLY); + struct tagcache_header hdr; + tcs->idxfd[tag] = open_tag_fd(&hdr, tag, false); } if (tcs->idxfd[tag] < 0) @@ -700,8 +692,9 @@ static bool open_files(struct tagcache_search *tcs, int tag) return true; } -static bool retrieve(struct tagcache_search *tcs, struct index_entry *idx, - int tag, char *buf, long size) +bool tagcache_retrieve_index(struct tagcache_search *tcs, + struct tagcache_index_entry *idx, int tag, + char *buf, long size) { struct tagfile_entry tfe; long seek; @@ -772,7 +765,7 @@ static bool retrieve(struct tagcache_search *tcs, struct index_entry *idx, return true; } -static long check_virtual_tags(int tag, const struct index_entry *idx) +static long check_virtual_tags(int tag, const struct tagcache_index_entry *idx) { long data = 0; @@ -822,7 +815,7 @@ static long check_virtual_tags(int tag, const struct index_entry *idx) long tagcache_get_numeric(const struct tagcache_search *tcs, int tag) { - struct index_entry idx; + struct tagcache_index_entry idx; if (!tc_stat.ready) return false; @@ -927,7 +920,7 @@ static bool check_against_clause(long numeric, const char *str, } static bool check_clauses(struct tagcache_search *tcs, - struct index_entry *idx, + struct tagcache_index_entry *idx, struct tagcache_search_clause **clause, int count) { int i; @@ -949,7 +942,8 @@ static bool check_clauses(struct tagcache_search *tcs, { if (clause[i]->tag == tag_filename) { - retrieve(tcs, idx, tag_filename, buf, sizeof buf); + tagcache_retrieve_index(tcs, idx, tag_filename, buf, + sizeof buf); str = buf; } else @@ -1005,7 +999,7 @@ static bool check_clauses(struct tagcache_search *tcs, bool tagcache_check_clauses(struct tagcache_search *tcs, struct tagcache_search_clause **clause, int count) { - struct index_entry idx; + struct tagcache_index_entry idx; if (count == 0) return true; @@ -1046,7 +1040,7 @@ static bool add_uniqbuf(struct tagcache_search *tcs, unsigned long id) static bool build_lookup_list(struct tagcache_search *tcs) { - struct index_entry entry; + struct tagcache_index_entry entry; int i; tcs->seek_list_count = 0; @@ -1058,7 +1052,7 @@ static bool build_lookup_list(struct tagcache_search *tcs) for (i = tcs->seek_pos; i < hdr->h.tch.entry_count; i++) { - struct index_entry *idx = &hdr->indices[i]; + struct tagcache_index_entry *idx = &hdr->indices[i]; if (tcs->seek_list_count == SEEK_LIST_SIZE) break ; @@ -1098,11 +1092,11 @@ static bool build_lookup_list(struct tagcache_search *tcs) } #endif - lseek(tcs->masterfd, tcs->seek_pos * sizeof(struct index_entry) + + lseek(tcs->masterfd, tcs->seek_pos * sizeof(struct tagcache_index_entry) + sizeof(struct master_header), SEEK_SET); while (ecread(tcs->masterfd, &entry, 1, index_entry_ec, tc_stat.econ) - == sizeof(struct index_entry)) + == sizeof(struct tagcache_index_entry)) { if (tcs->seek_list_count == SEEK_LIST_SIZE) break ; @@ -1464,16 +1458,22 @@ bool tagcache_get_next(struct tagcache_search *tcs) return false; } +bool tagcache_get_index(struct tagcache_search *tcs, int idxid, + struct tagcache_index_entry *idx) +{ + return get_index(tcs->masterfd, idxid, idx, true); +} + bool tagcache_retrieve(struct tagcache_search *tcs, int idxid, int tag, char *buf, long size) { - struct index_entry idx; + struct tagcache_index_entry idx; *buf = '\0'; if (!get_index(tcs->masterfd, idxid, &idx, true)) return false; - return retrieve(tcs, &idx, tag, buf, size); + return tagcache_retrieve_index(tcs, &idx, tag, buf, size); } static bool update_master_header(void) @@ -1561,17 +1561,17 @@ void tagcache_search_finish(struct tagcache_search *tcs) } #if defined(HAVE_TC_RAMCACHE) && defined(HAVE_DIRCACHE) -static struct tagfile_entry *get_tag(const struct index_entry *entry, int tag) +static struct tagfile_entry *get_tag(const struct tagcache_index_entry *entry, int tag) { return (struct tagfile_entry *)&hdr->tags[tag][entry->tag_seek[tag]]; } -static long get_tag_numeric(const struct index_entry *entry, int tag) +static long get_tag_numeric(const struct tagcache_index_entry *entry, int tag) { return check_virtual_tags(tag, entry); } -static char* get_tag_string(const struct index_entry *entry, int tag) +static char* get_tag_string(const struct tagcache_index_entry *entry, int tag) { char* s = get_tag(entry, tag)->tag_data; return strcmp(s, UNTAGGED) ? s : NULL; @@ -1579,7 +1579,7 @@ static char* get_tag_string(const struct index_entry *entry, int tag) bool tagcache_fill_tags(struct mp3entry *id3, const char *filename) { - struct index_entry *entry; + struct tagcache_index_entry *entry; int idx_id; if (!tc_stat.ready) @@ -1702,7 +1702,7 @@ static void add_tagcache(char *path, unsigned long mtime /* Check if file has been modified. */ if (idx_id >= 0) { - struct index_entry idx; + struct tagcache_index_entry idx; /* TODO: Mark that the index exists (for fast reverse scan) */ //found_idx[idx_id/8] |= idx_id%8; @@ -2061,7 +2061,7 @@ inline static int tempbuf_find_location(int id) static bool build_numeric_indices(struct tagcache_header *h, int tmpfd) { struct master_header tcmh; - struct index_entry idx; + struct tagcache_index_entry idx; int masterfd; int masterfd_pos; struct temp_file_entry *entrybuf = (struct temp_file_entry *)tempbuf; @@ -2078,7 +2078,7 @@ static bool build_numeric_indices(struct tagcache_header *h, int tmpfd) if ( (masterfd = open_master_fd(&tcmh, true)) < 0) return false; - masterfd_pos = lseek(masterfd, tcmh.tch.entry_count * sizeof(struct index_entry), + masterfd_pos = lseek(masterfd, tcmh.tch.entry_count * sizeof(struct tagcache_index_entry), SEEK_CUR); if (masterfd_pos == filesize(masterfd)) { @@ -2156,7 +2156,7 @@ static bool build_numeric_indices(struct tagcache_header *h, int tmpfd) { /* Read the index entry. */ if (ecread(masterfd, &idx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("read fail #3"); close(masterfd); @@ -2225,9 +2225,9 @@ static bool build_numeric_indices(struct tagcache_header *h, int tmpfd) /* Avoid processing this entry again. */ idx.flag |= FLAG_RESURRECTED; - lseek(masterfd, -sizeof(struct index_entry), SEEK_CUR); + lseek(masterfd, -sizeof(struct tagcache_index_entry), SEEK_CUR); if (ecwrite(masterfd, &idx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("masterfd writeback fail #1"); close(masterfd); @@ -2248,7 +2248,7 @@ static bool build_numeric_indices(struct tagcache_header *h, int tmpfd) int loc = lseek(masterfd, 0, SEEK_CUR); if (ecread(masterfd, &idx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("read fail #3"); close(masterfd); @@ -2278,7 +2278,7 @@ static bool build_numeric_indices(struct tagcache_header *h, int tmpfd) /* Write back the updated index. */ lseek(masterfd, loc, SEEK_SET); if (ecwrite(masterfd, &idx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("write fail"); close(masterfd); @@ -2306,7 +2306,7 @@ static int build_index(int index_type, struct tagcache_header *h, int tmpfd) int i; struct tagcache_header tch; struct master_header tcmh; - struct index_entry idxbuf[IDX_BUF_DEPTH]; + struct tagcache_index_entry idxbuf[IDX_BUF_DEPTH]; int idxbuf_pos; char buf[TAG_MAXLEN+32]; int fd = -1, masterfd; @@ -2527,7 +2527,7 @@ static int build_index(int index_type, struct tagcache_header *h, int tmpfd) * However, if the index is sorted, we need to update all tag * pointers in the master file for the current index. */ - masterfd_pos = lseek(masterfd, tcmh.tch.entry_count * sizeof(struct index_entry), + masterfd_pos = lseek(masterfd, tcmh.tch.entry_count * sizeof(struct tagcache_index_entry), SEEK_CUR); if (masterfd_pos == filesize(masterfd)) { @@ -2612,7 +2612,7 @@ static int build_index(int index_type, struct tagcache_header *h, int tmpfd) idxbuf_pos = MIN(tcmh.tch.entry_count - i, IDX_BUF_DEPTH); if (ecread(masterfd, idxbuf, idxbuf_pos, index_entry_ec, tc_stat.econ) - != (int)sizeof(struct index_entry)*idxbuf_pos) + != (int)sizeof(struct tagcache_index_entry)*idxbuf_pos) { logf("read fail #5"); error = true; @@ -2647,7 +2647,7 @@ static int build_index(int index_type, struct tagcache_header *h, int tmpfd) /* Write back the updated index. */ if (ecwrite(masterfd, idxbuf, idxbuf_pos, index_entry_ec, tc_stat.econ) != - (int)sizeof(struct index_entry)*idxbuf_pos) + (int)sizeof(struct tagcache_index_entry)*idxbuf_pos) { logf("write fail"); error = true; @@ -2672,14 +2672,14 @@ static int build_index(int index_type, struct tagcache_header *h, int tmpfd) idxbuf_pos = MIN(h->entry_count - i, IDX_BUF_DEPTH); if (init) { - memset(idxbuf, 0, sizeof(struct index_entry)*IDX_BUF_DEPTH); + memset(idxbuf, 0, sizeof(struct tagcache_index_entry)*IDX_BUF_DEPTH); } else { int loc = lseek(masterfd, 0, SEEK_CUR); if (ecread(masterfd, idxbuf, idxbuf_pos, index_entry_ec, tc_stat.econ) - != (int)sizeof(struct index_entry)*idxbuf_pos) + != (int)sizeof(struct tagcache_index_entry)*idxbuf_pos) { logf("read fail #6"); error = true; @@ -2753,7 +2753,7 @@ static int build_index(int index_type, struct tagcache_header *h, int tmpfd) /* Write index. */ if (ecwrite(masterfd, idxbuf, idxbuf_pos, index_entry_ec, tc_stat.econ) != - (int)sizeof(struct index_entry)*idxbuf_pos) + (int)sizeof(struct tagcache_index_entry)*idxbuf_pos) { logf("tagcache: write fail #4"); error = true; @@ -2934,7 +2934,7 @@ static bool commit(void) tcmh.tch.entry_count += tch.entry_count; tcmh.tch.datasize = sizeof(struct master_header) - + sizeof(struct index_entry) * tcmh.tch.entry_count + + sizeof(struct tagcache_index_entry) * tcmh.tch.entry_count + tch.datasize; tcmh.dirty = false; tcmh.commitid++; @@ -3001,7 +3001,7 @@ static void free_tempbuf(void) static bool modify_numeric_entry(int masterfd, int idx_id, int tag, long data) { - struct index_entry idx; + struct tagcache_index_entry idx; if (!tc_stat.ready) return false; @@ -3271,7 +3271,7 @@ static bool read_tag(char *dest, long size, static int parse_changelog_line(int line_n, const char *buf, void *parameters) { - struct index_entry idx; + struct tagcache_index_entry idx; char tag_data[TAG_MAXLEN+32]; int idx_id; long masterfd = (long)parameters; @@ -3388,7 +3388,7 @@ bool tagcache_import_changelog(void) bool tagcache_create_changelog(struct tagcache_search *tcs) { struct master_header myhdr; - struct index_entry idx; + struct tagcache_index_entry idx; char buf[TAG_MAXLEN+32]; char temp[32]; int clfd; @@ -3424,7 +3424,7 @@ bool tagcache_create_changelog(struct tagcache_search *tcs) for (i = 0; i < myhdr.tch.entry_count; i++) { if (ecread(tcs->masterfd, &idx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("read error #9"); tagcache_search_finish(tcs); @@ -3471,7 +3471,7 @@ static bool delete_entry(long idx_id) int fd = -1; int masterfd = -1; int tag, i; - struct index_entry idx, myidx; + struct tagcache_index_entry idx, myidx; struct master_header myhdr; char buf[TAG_MAXLEN+32]; int in_use[TAG_COUNT]; @@ -3487,9 +3487,9 @@ static bool delete_entry(long idx_id) if ( (masterfd = open_master_fd(&myhdr, true) ) < 0) return false; - lseek(masterfd, idx_id * sizeof(struct index_entry), SEEK_CUR); + lseek(masterfd, idx_id * sizeof(struct tagcache_index_entry), SEEK_CUR); if (ecread(masterfd, &myidx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("delete_entry(): read error"); goto cleanup; @@ -3502,9 +3502,9 @@ static bool delete_entry(long idx_id) } myidx.flag |= FLAG_DELETED; - lseek(masterfd, -sizeof(struct index_entry), SEEK_CUR); + lseek(masterfd, -sizeof(struct tagcache_index_entry), SEEK_CUR); if (ecwrite(masterfd, &myidx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("delete_entry(): write_error #1"); goto cleanup; @@ -3517,7 +3517,7 @@ static bool delete_entry(long idx_id) lseek(masterfd, sizeof(struct master_header), SEEK_SET); for (i = 0; i < myhdr.tch.entry_count; i++) { - struct index_entry *idxp; + struct tagcache_index_entry *idxp; #ifdef HAVE_TC_RAMCACHE /* Use RAM DB if available for greater speed */ @@ -3527,7 +3527,7 @@ static bool delete_entry(long idx_id) #endif { if (ecread(masterfd, &idx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("delete_entry(): read error #2"); goto cleanup; @@ -3646,9 +3646,9 @@ static bool delete_entry(long idx_id) /* Write index entry back into master index. */ lseek(masterfd, sizeof(struct master_header) + - (idx_id * sizeof(struct index_entry)), SEEK_SET); + (idx_id * sizeof(struct tagcache_index_entry)), SEEK_SET); if (ecwrite(masterfd, &myidx, 1, index_entry_ec, tc_stat.econ) - != sizeof(struct index_entry)) + != sizeof(struct tagcache_index_entry)) { logf("delete_entry(): write_error #2"); goto cleanup; @@ -3715,7 +3715,7 @@ static bool allocate_tagcache(void) hdr = buffer_alloc(tc_stat.ramcache_allocated + 128); memset(hdr, 0, sizeof(struct ramcache_header)); memcpy(&hdr->h, &tcmh, sizeof(struct master_header)); - hdr->indices = (struct index_entry *)(hdr + 1); + hdr->indices = (struct tagcache_index_entry *)(hdr + 1); logf("tagcache: %d bytes allocated.", tc_stat.ramcache_allocated); return true; @@ -3765,7 +3765,7 @@ static bool tagcache_dumpload(void) memcpy(&tc_stat, &shdr.tc_stat, sizeof(struct tagcache_stat)); /* Now fix the pointers */ - hdr->indices = (struct index_entry *)((long)hdr->indices + offpos); + hdr->indices = (struct tagcache_index_entry *)((long)hdr->indices + offpos); for (i = 0; i < TAG_COUNT; i++) hdr->tags[i] += offpos; @@ -3804,7 +3804,7 @@ static bool load_tagcache(void) { struct tagcache_header *tch; long bytesleft = tc_stat.ramcache_allocated; - struct index_entry *idx; + struct tagcache_index_entry *idx; int rc, fd; char *p; int i, tag; @@ -3839,14 +3839,14 @@ static bool load_tagcache(void) for (i = 0; i < hdr->h.tch.entry_count; i++) { rc = ecread(fd, idx, 1, index_entry_ec, tc_stat.econ); - if (rc != sizeof(struct index_entry)) + if (rc != sizeof(struct tagcache_index_entry)) { logf("read error #10"); close(fd); return false; } - bytesleft -= sizeof(struct index_entry); + bytesleft -= sizeof(struct tagcache_index_entry); if (bytesleft < 0 || ((long)idx - (long)hdr->indices) >= tc_stat.ramcache_allocated) { logf("too big tagcache."); diff --git a/apps/tagcache.h b/apps/tagcache.h index e995784..812af2a 100644 @@ -144,6 +144,12 @@ struct tagcache_search_clause char *str; }; +/* Fixed-size tag entry in master db index. */ +struct tagcache_index_entry { + int32_t tag_seek[TAG_COUNT]; /* Location of tag data or numeric tag data */ + int32_t flag; /* Status flags */ +}; + struct tagcache_search { /* For internal use only. */ int fd, masterfd; @@ -216,6 +222,11 @@ void tagcache_shutdown(void); void tagcache_screensync_event(void); void tagcache_screensync_enable(bool state); +bool tagcache_get_index(struct tagcache_search *tcs, int idxid, + struct tagcache_index_entry *idx); +bool tagcache_retrieve_index(struct tagcache_search *tcs, + struct tagcache_index_entry *idx, int tag, + char *buf, long size); #ifdef HAVE_TC_RAMCACHE bool tagcache_is_ramcache(void); |
