From afe8a9070bc62db9cfde1e30147178c40d391d93 Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Mon, 2 May 2022 09:50:37 -0700 Subject: tree-wide: apply equals-null.cocci Signed-off-by: Junio C Hamano diff --git a/apply.c b/apply.c index 43a0aeb..d2e5e2d 100644 --- a/apply.c +++ b/apply.c @@ -3267,11 +3267,11 @@ static struct patch *in_fn_table(struct apply_state *state, const char *name) { struct string_list_item *item; - if (name == NULL) + if (!name) return NULL; item = string_list_lookup(&state->fn_table, name); - if (item != NULL) + if (item) return (struct patch *)item->util; return NULL; @@ -3311,7 +3311,7 @@ static void add_to_fn_table(struct apply_state *state, struct patch *patch) * This should cover the cases for normal diffs, * file creations and copies */ - if (patch->new_name != NULL) { + if (patch->new_name) { item = string_list_insert(&state->fn_table, patch->new_name); item->util = patch; } diff --git a/archive.c b/archive.c index a3bbb09..eed32de 100644 --- a/archive.c +++ b/archive.c @@ -465,7 +465,7 @@ static void parse_treeish_arg(const char **argv, } tree = parse_tree_indirect(&oid); - if (tree == NULL) + if (!tree) die(_("not a tree object: %s"), oid_to_hex(&oid)); if (prefix) { diff --git a/blame.c b/blame.c index 206c295..f9714cc 100644 --- a/blame.c +++ b/blame.c @@ -1072,7 +1072,7 @@ static struct blame_entry *blame_merge(struct blame_entry *list1, if (p1->s_lno <= p2->s_lno) { do { tail = &p1->next; - if ((p1 = *tail) == NULL) { + if (!(p1 = *tail)) { *tail = p2; return list1; } @@ -1082,7 +1082,7 @@ static struct blame_entry *blame_merge(struct blame_entry *list1, *tail = p2; do { tail = &p2->next; - if ((p2 = *tail) == NULL) { + if (!(p2 = *tail)) { *tail = p1; return list1; } @@ -1090,7 +1090,7 @@ static struct blame_entry *blame_merge(struct blame_entry *list1, *tail = p1; do { tail = &p1->next; - if ((p1 = *tail) == NULL) { + if (!(p1 = *tail)) { *tail = p2; return list1; } diff --git a/branch.c b/branch.c index 07a4643..fc49f57 100644 --- a/branch.c +++ b/branch.c @@ -302,7 +302,7 @@ void create_branch(struct repository *r, break; } - if ((commit = lookup_commit_reference(r, &oid)) == NULL) + if (!(commit = lookup_commit_reference(r, &oid))) die(_("Not a valid branch point: '%s'."), start_name); oidcpy(&oid, &commit->object.oid); diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c index 28a2e6a..f1a8ec3 100644 --- a/builtin/bisect--helper.c +++ b/builtin/bisect--helper.c @@ -433,7 +433,7 @@ static int bisect_terms(struct bisect_terms *terms, const char *option) if (get_terms(terms)) return error(_("no terms defined")); - if (option == NULL) { + if (!option) { printf(_("Your current terms are %s for the old state\n" "and %s for the new state.\n"), terms->term_good, terms->term_bad); diff --git a/builtin/checkout.c b/builtin/checkout.c index cbf73b8..c80b607 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -811,7 +811,7 @@ static int merge_working_tree(const struct checkout_opts *opts, if (ret) return ret; o.ancestor = old_branch_info->name; - if (old_branch_info->name == NULL) { + if (!old_branch_info->name) { strbuf_add_unique_abbrev(&old_commit_shortname, &old_branch_info->commit->object.oid, DEFAULT_ABBREV); diff --git a/builtin/clone.c b/builtin/clone.c index fb377b2..fa9e1fd 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -1070,10 +1070,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) * apply the remote name provided by --origin only after this second * call to git_config, to ensure it overrides all config-based values. */ - if (option_origin != NULL) + if (option_origin) remote_name = xstrdup(option_origin); - if (remote_name == NULL) + if (!remote_name) remote_name = xstrdup("origin"); if (!valid_remote_name(remote_name)) diff --git a/builtin/commit.c b/builtin/commit.c index 883c162..2ef44f1 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -858,7 +858,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, } s->fp = fopen_for_writing(git_path_commit_editmsg()); - if (s->fp == NULL) + if (!s->fp) die_errno(_("could not open '%s'"), git_path_commit_editmsg()); /* Ignore status.displayCommentPrefix: we do need comments in COMMIT_EDITMSG. */ diff --git a/builtin/diff.c b/builtin/diff.c index dd8ce68..6724f74 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -352,7 +352,7 @@ static void symdiff_prepare(struct rev_info *rev, struct symdiff *sym) othercount++; continue; } - if (map == NULL) + if (!map) map = bitmap_new(); bitmap_set(map, i); } diff --git a/builtin/gc.c b/builtin/gc.c index bcef6a4..48a0504 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -446,7 +446,7 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid) fscanf(fp, scan_fmt, &pid, locking_host) == 2 && /* be gentle to concurrent "gc" on remote hosts */ (strcmp(locking_host, my_host) || !kill(pid, 0) || errno == EPERM); - if (fp != NULL) + if (fp) fclose(fp); if (should_exit) { if (fd >= 0) @@ -2236,7 +2236,7 @@ static int systemd_timer_write_unit_templates(const char *exec_path) goto error; } file = fopen_or_warn(filename, "w"); - if (file == NULL) + if (!file) goto error; unit = "# This file was created and is maintained by Git.\n" @@ -2265,7 +2265,7 @@ static int systemd_timer_write_unit_templates(const char *exec_path) filename = xdg_config_home_systemd("git-maintenance@.service"); file = fopen_or_warn(filename, "w"); - if (file == NULL) + if (!file) goto error; unit = "# This file was created and is maintained by Git.\n" diff --git a/builtin/index-pack.c b/builtin/index-pack.c index c23d01d..9ecd682 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -1935,11 +1935,11 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) free(objects); strbuf_release(&index_name_buf); strbuf_release(&rev_index_name_buf); - if (pack_name == NULL) + if (!pack_name) free((void *) curr_pack); - if (index_name == NULL) + if (!index_name) free((void *) curr_index); - if (rev_index_name == NULL) + if (!rev_index_name) free((void *) curr_rev_index); /* diff --git a/builtin/log.c b/builtin/log.c index f75d87e..824e172 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -978,7 +978,7 @@ static int open_next_file(struct commit *commit, const char *subject, if (!quiet) printf("%s\n", filename.buf + outdir_offset); - if ((rev->diffopt.file = fopen(filename.buf, "w")) == NULL) { + if (!(rev->diffopt.file = fopen(filename.buf, "w"))) { error_errno(_("cannot open patch file %s"), filename.buf); strbuf_release(&filename); return -1; diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c index 318949c..ebbb7ef 100644 --- a/builtin/ls-remote.c +++ b/builtin/ls-remote.c @@ -116,7 +116,7 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix) } transport = transport_get(remote, NULL); - if (uploadpack != NULL) + if (uploadpack) transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack); if (server_options.nr) transport->server_options = &server_options; diff --git a/builtin/mailsplit.c b/builtin/mailsplit.c index 7baef30..2b30609 100644 --- a/builtin/mailsplit.c +++ b/builtin/mailsplit.c @@ -120,7 +120,7 @@ static int populate_maildir_list(struct string_list *list, const char *path) for (sub = subs; *sub; ++sub) { free(name); name = xstrfmt("%s/%s", path, *sub); - if ((dir = opendir(name)) == NULL) { + if (!(dir = opendir(name))) { if (errno == ENOENT) continue; error_errno("cannot opendir %s", name); diff --git a/builtin/pack-redundant.c b/builtin/pack-redundant.c index 8bf5c0a..ed9b901 100644 --- a/builtin/pack-redundant.c +++ b/builtin/pack-redundant.c @@ -101,7 +101,7 @@ static inline struct llist_item *llist_insert(struct llist *list, oidread(&new_item->oid, oid); new_item->next = NULL; - if (after != NULL) { + if (after) { new_item->next = after->next; after->next = new_item; if (after == list->back) @@ -157,7 +157,7 @@ redo_from_start: if (cmp > 0) /* not in list, since sorted */ return prev; if (!cmp) { /* found */ - if (prev == NULL) { + if (!prev) { if (hint != NULL && hint != list->front) { /* we don't know the previous element */ hint = NULL; @@ -219,7 +219,7 @@ static struct pack_list * pack_list_difference(const struct pack_list *A, struct pack_list *ret; const struct pack_list *pl; - if (A == NULL) + if (!A) return NULL; pl = B; @@ -317,7 +317,7 @@ static size_t get_pack_redundancy(struct pack_list *pl) struct pack_list *subset; size_t ret = 0; - if (pl == NULL) + if (!pl) return 0; while ((subset = pl->next)) { @@ -611,7 +611,7 @@ int cmd_pack_redundant(int argc, const char **argv, const char *prefix) while (*(argv + i) != NULL) add_pack_file(*(argv + i++)); - if (local_packs == NULL) + if (!local_packs) die("Zero packs found!"); load_all_objects(); diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 49b846d..e7728a2 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -1678,7 +1678,7 @@ static void check_aliased_update_internal(struct command *cmd, } dst_name = strip_namespace(dst_name); - if ((item = string_list_lookup(list, dst_name)) == NULL) + if (!(item = string_list_lookup(list, dst_name))) return; cmd->skip_update = 1; @@ -2542,7 +2542,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) PACKET_READ_CHOMP_NEWLINE | PACKET_READ_DIE_ON_ERR_PACKET); - if ((commands = read_head_info(&reader, &shallow)) != NULL) { + if ((commands = read_head_info(&reader, &shallow))) { const char *unpack_status = NULL; struct string_list push_options = STRING_LIST_INIT_DUP; diff --git a/builtin/replace.c b/builtin/replace.c index 946938d..402d9e3 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -72,7 +72,7 @@ static int list_replace_refs(const char *pattern, const char *format) { struct show_data data; - if (pattern == NULL) + if (!pattern) pattern = "*"; data.pattern = pattern; diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 8480a59..660a6a7 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -476,7 +476,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix) /* name(s) */ s = strpbrk(sb.buf, flag_chars); - if (s == NULL) + if (!s) s = help; if (s - sb.buf == 1) /* short option only */ diff --git a/builtin/shortlog.c b/builtin/shortlog.c index e7f7af5..16a66d8 100644 --- a/builtin/shortlog.c +++ b/builtin/shortlog.c @@ -81,7 +81,7 @@ static void insert_one_record(struct shortlog *log, format_subject(&subject, oneline, " "); buffer = strbuf_detach(&subject, NULL); - if (item->util == NULL) + if (!item->util) item->util = xcalloc(1, sizeof(struct string_list)); string_list_append(item->util, buffer); } diff --git a/builtin/tag.c b/builtin/tag.c index 6fe6467..73a00a6 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -364,7 +364,7 @@ static void create_reflog_msg(const struct object_id *oid, struct strbuf *sb) strbuf_addstr(sb, "object of unknown type"); break; case OBJ_COMMIT: - if ((buf = read_object_file(oid, &type, &size)) != NULL) { + if ((buf = read_object_file(oid, &type, &size))) { subject_len = find_commit_subject(buf, &subject_start); strbuf_insert(sb, sb->len, subject_start, subject_len); } else { @@ -372,7 +372,7 @@ static void create_reflog_msg(const struct object_id *oid, struct strbuf *sb) } free(buf); - if ((c = lookup_commit_reference(the_repository, oid)) != NULL) + if ((c = lookup_commit_reference(the_repository, oid))) strbuf_addf(sb, ", %s", show_date(c->date, 0, DATE_MODE(SHORT))); break; case OBJ_TREE: diff --git a/combine-diff.c b/combine-diff.c index d93782d..b724f02 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -195,10 +195,10 @@ static struct lline *coalesce_lines(struct lline *base, int *lenbase, struct lline *baseend, *newend = NULL; int i, j, origbaselen = *lenbase; - if (newline == NULL) + if (!newline) return base; - if (base == NULL) { + if (!base) { *lenbase = lennew; return newline; } diff --git a/commit-graph.c b/commit-graph.c index 2706683..d251a99 100644 --- a/commit-graph.c +++ b/commit-graph.c @@ -2552,7 +2552,7 @@ int verify_commit_graph(struct repository *r, struct commit_graph *g, int flags) odb_parents = odb_commit->parents; while (graph_parents) { - if (odb_parents == NULL) { + if (!odb_parents) { graph_report(_("commit-graph parent list for commit %s is too long"), oid_to_hex(&cur_oid)); break; @@ -2575,7 +2575,7 @@ int verify_commit_graph(struct repository *r, struct commit_graph *g, int flags) odb_parents = odb_parents->next; } - if (odb_parents != NULL) + if (odb_parents) graph_report(_("commit-graph parent list for commit %s terminates early"), oid_to_hex(&cur_oid)); diff --git a/compat/mingw.c b/compat/mingw.c index 5e42191..36ef632 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -1043,7 +1043,7 @@ char *mingw_mktemp(char *template) int mkstemp(char *template) { char *filename = mktemp(template); - if (filename == NULL) + if (!filename) return -1; return open(filename, O_RDWR | O_CREAT, 0600); } @@ -2311,7 +2311,7 @@ int setitimer(int type, struct itimerval *in, struct itimerval *out) static const struct timeval zero; static int atexit_done; - if (out != NULL) + if (out) return errno = EINVAL, error("setitimer param 3 != NULL not implemented"); if (!is_timeval_eq(&in->it_interval, &zero) && @@ -2340,7 +2340,7 @@ int sigaction(int sig, struct sigaction *in, struct sigaction *out) if (sig != SIGALRM) return errno = EINVAL, error("sigaction only implemented for SIGALRM"); - if (out != NULL) + if (out) return errno = EINVAL, error("sigaction: param 3 != NULL not implemented"); diff --git a/compat/mkdir.c b/compat/mkdir.c index 9e253fb..02aea3b 100644 --- a/compat/mkdir.c +++ b/compat/mkdir.c @@ -9,7 +9,7 @@ int compat_mkdir_wo_trailing_slash(const char *dir, mode_t mode) size_t len = strlen(dir); if (len && dir[len-1] == '/') { - if ((tmp_dir = strdup(dir)) == NULL) + if (!(tmp_dir = strdup(dir))) return -1; tmp_dir[len-1] = '\0'; } diff --git a/compat/mmap.c b/compat/mmap.c index 8d6c02d..2fe1c77 100644 --- a/compat/mmap.c +++ b/compat/mmap.c @@ -13,7 +13,7 @@ void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t of } start = malloc(length); - if (start == NULL) { + if (!start) { errno = ENOMEM; return MAP_FAILED; } diff --git a/config.c b/config.c index c5873f3..f9e2946 100644 --- a/config.c +++ b/config.c @@ -2959,7 +2959,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, goto out_free; } /* if nothing to unset, error out */ - if (value == NULL) { + if (!value) { ret = CONFIG_NOTHING_SET; goto out_free; } @@ -2975,7 +2975,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, int i, new_line = 0; struct config_options opts; - if (value_pattern == NULL) + if (!value_pattern) store.value_pattern = NULL; else if (value_pattern == CONFIG_REGEX_NONE) store.value_pattern = CONFIG_REGEX_NONE; @@ -3115,7 +3115,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, } /* write the pair (value == NULL means unset) */ - if (value != NULL) { + if (value) { if (!store.section_seen) { if (write_section(fd, key, &store) < 0) goto write_err_out; @@ -3322,7 +3322,7 @@ static int git_config_copy_or_rename_section_in_file(const char *config_filename offset = section_name_match(&buf[i], old_name); if (offset > 0) { ret++; - if (new_name == NULL) { + if (!new_name) { remove = 1; continue; } diff --git a/daemon.c b/daemon.c index b1fcbe0..842c36c 100644 --- a/daemon.c +++ b/daemon.c @@ -451,7 +451,7 @@ static void copy_to_log(int fd) FILE *fp; fp = fdopen(fd, "r"); - if (fp == NULL) { + if (!fp) { logerror("fdopen of error channel failed"); close(fd); return; diff --git a/dir.c b/dir.c index 5aa6fba..7a4e55b 100644 --- a/dir.c +++ b/dir.c @@ -3049,7 +3049,7 @@ char *git_url_basename(const char *repo, int is_bundle, int is_bare) * Skip scheme. */ start = strstr(repo, "://"); - if (start == NULL) + if (!start) start = repo; else start += 3; diff --git a/ewah/bitmap.c b/ewah/bitmap.c index 38a47c4..a4f9fcd 100644 --- a/ewah/bitmap.c +++ b/ewah/bitmap.c @@ -223,7 +223,7 @@ void bitmap_reset(struct bitmap *bitmap) void bitmap_free(struct bitmap *bitmap) { - if (bitmap == NULL) + if (!bitmap) return; free(bitmap->words); diff --git a/ewah/ewah_bitmap.c b/ewah/ewah_bitmap.c index 2a8c7c5..6fe48d3 100644 --- a/ewah/ewah_bitmap.c +++ b/ewah/ewah_bitmap.c @@ -451,7 +451,7 @@ struct ewah_bitmap *ewah_pool_new(void) void ewah_pool_free(struct ewah_bitmap *self) { - if (self == NULL) + if (!self) return; if (bitmap_pool_size == BITMAP_POOL_MAX || diff --git a/http-fetch.c b/http-fetch.c index fa64246..f0b2c5e 100644 --- a/http-fetch.c +++ b/http-fetch.c @@ -54,7 +54,7 @@ static void fetch_single_packfile(struct object_id *packfile_hash, http_init(NULL, url, 0); preq = new_direct_http_pack_request(packfile_hash->hash, xstrdup(url)); - if (preq == NULL) + if (!preq) die("couldn't create http pack request"); preq->slot->results = &results; preq->index_pack_args = index_pack_args; diff --git a/http-push.c b/http-push.c index 3309aaf..28ffed7 100644 --- a/http-push.c +++ b/http-push.c @@ -253,7 +253,7 @@ static void start_fetch_loose(struct transfer_request *request) struct http_object_request *obj_req; obj_req = new_http_object_request(repo->url, &request->obj->oid); - if (obj_req == NULL) { + if (!obj_req) { request->state = ABORTED; return; } @@ -318,7 +318,7 @@ static void start_fetch_packed(struct transfer_request *request) fprintf(stderr, " which contains %s\n", oid_to_hex(&request->obj->oid)); preq = new_http_pack_request(target->hash, repo->url); - if (preq == NULL) { + if (!preq) { repo->can_update_info_refs = 0; return; } @@ -520,7 +520,7 @@ static void finish_request(struct transfer_request *request) /* Keep locks active */ check_locks(); - if (request->headers != NULL) + if (request->headers) curl_slist_free_all(request->headers); /* URL is reused for MOVE after PUT and used during FETCH */ @@ -783,7 +783,7 @@ xml_start_tag(void *userData, const char *name, const char **atts) const char *c = strchr(name, ':'); int old_namelen, new_len; - if (c == NULL) + if (!c) c = name; else c++; @@ -811,7 +811,7 @@ xml_end_tag(void *userData, const char *name) ctx->userFunc(ctx, 1); - if (c == NULL) + if (!c) c = name; else c++; @@ -1893,7 +1893,7 @@ int cmd_main(int argc, const char **argv) /* Lock remote branch ref */ ref_lock = lock_remote(ref->name, LOCK_TIME); - if (ref_lock == NULL) { + if (!ref_lock) { fprintf(stderr, "Unable to lock remote branch %s\n", ref->name); if (helper_status) diff --git a/http-walker.c b/http-walker.c index 910fae5..b8f0f98 100644 --- a/http-walker.c +++ b/http-walker.c @@ -59,7 +59,7 @@ static void start_object_request(struct walker *walker, struct http_object_request *req; req = new_http_object_request(obj_req->repo->base, &obj_req->oid); - if (req == NULL) { + if (!req) { obj_req->state = ABORTED; return; } @@ -106,7 +106,7 @@ static void process_object_response(void *callback_data) /* Use alternates if necessary */ if (missing_target(obj_req->req)) { fetch_alternates(walker, alt->base); - if (obj_req->repo->next != NULL) { + if (obj_req->repo->next) { obj_req->repo = obj_req->repo->next; release_http_object_request(obj_req->req); @@ -225,12 +225,12 @@ static void process_alternates_response(void *callback_data) alt_req->url->buf); active_requests++; slot->in_use = 1; - if (slot->finished != NULL) + if (slot->finished) (*slot->finished) = 0; if (!start_active_slot(slot)) { cdata->got_alternates = -1; slot->in_use = 0; - if (slot->finished != NULL) + if (slot->finished) (*slot->finished) = 1; } return; @@ -443,7 +443,7 @@ static int http_fetch_pack(struct walker *walker, struct alt_base *repo, unsigne } preq = new_http_pack_request(target->hash, repo->base); - if (preq == NULL) + if (!preq) goto abort; preq->slot->results = &results; @@ -489,11 +489,11 @@ static int fetch_object(struct walker *walker, unsigned char *hash) if (hasheq(obj_req->oid.hash, hash)) break; } - if (obj_req == NULL) + if (!obj_req) return error("Couldn't find request for %s in the queue", hex); if (has_object_file(&obj_req->oid)) { - if (obj_req->req != NULL) + if (obj_req->req) abort_http_object_request(obj_req->req); abort_object_request(obj_req); return 0; diff --git a/http.c b/http.c index f92859f..a39cea1 100644 --- a/http.c +++ b/http.c @@ -197,11 +197,11 @@ static void finish_active_slot(struct active_request_slot *slot) closedown_active_slot(slot); curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code); - if (slot->finished != NULL) + if (slot->finished) (*slot->finished) = 1; /* Store slot results so they can be read after the slot is reused */ - if (slot->results != NULL) { + if (slot->results) { slot->results->curl_result = slot->curl_result; slot->results->http_code = slot->http_code; curl_easy_getinfo(slot->curl, CURLINFO_HTTPAUTH_AVAIL, @@ -212,7 +212,7 @@ static void finish_active_slot(struct active_request_slot *slot) } /* Run callback if appropriate */ - if (slot->callback_func != NULL) + if (slot->callback_func) slot->callback_func(slot->callback_data); } @@ -234,7 +234,7 @@ static void process_curl_messages(void) while (slot != NULL && slot->curl != curl_message->easy_handle) slot = slot->next; - if (slot != NULL) { + if (slot) { xmulti_remove_handle(slot); slot->curl_result = curl_result; finish_active_slot(slot); @@ -838,16 +838,16 @@ static CURL *get_curl_handle(void) curl_easy_setopt(result, CURLOPT_SSL_CIPHER_LIST, ssl_cipherlist); - if (ssl_cert != NULL) + if (ssl_cert) curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert); if (has_cert_password()) curl_easy_setopt(result, CURLOPT_KEYPASSWD, cert_auth.password); - if (ssl_key != NULL) + if (ssl_key) curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key); - if (ssl_capath != NULL) + if (ssl_capath) curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath); #ifdef GIT_CURL_HAVE_CURLOPT_PINNEDPUBLICKEY - if (ssl_pinnedkey != NULL) + if (ssl_pinnedkey) curl_easy_setopt(result, CURLOPT_PINNEDPUBLICKEY, ssl_pinnedkey); #endif if (http_ssl_backend && !strcmp("schannel", http_ssl_backend) && @@ -857,10 +857,10 @@ static CURL *get_curl_handle(void) curl_easy_setopt(result, CURLOPT_PROXY_CAINFO, NULL); #endif } else if (ssl_cainfo != NULL || http_proxy_ssl_ca_info != NULL) { - if (ssl_cainfo != NULL) + if (ssl_cainfo) curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo); #ifdef GIT_CURL_HAVE_CURLOPT_PROXY_CAINFO - if (http_proxy_ssl_ca_info != NULL) + if (http_proxy_ssl_ca_info) curl_easy_setopt(result, CURLOPT_PROXY_CAINFO, http_proxy_ssl_ca_info); #endif } @@ -1050,7 +1050,7 @@ void http_init(struct remote *remote, const char *url, int proactive_auth) { char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS"); - if (http_max_requests != NULL) + if (http_max_requests) max_requests = atoi(http_max_requests); } @@ -1069,10 +1069,10 @@ void http_init(struct remote *remote, const char *url, int proactive_auth) set_from_env(&user_agent, "GIT_HTTP_USER_AGENT"); low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT"); - if (low_speed_limit != NULL) + if (low_speed_limit) curl_low_speed_limit = strtol(low_speed_limit, NULL, 10); low_speed_time = getenv("GIT_HTTP_LOW_SPEED_TIME"); - if (low_speed_time != NULL) + if (low_speed_time) curl_low_speed_time = strtol(low_speed_time, NULL, 10); if (curl_ssl_verify == -1) @@ -1109,7 +1109,7 @@ void http_cleanup(void) while (slot != NULL) { struct active_request_slot *next = slot->next; - if (slot->curl != NULL) { + if (slot->curl) { xmulti_remove_handle(slot); curl_easy_cleanup(slot->curl); } @@ -1147,13 +1147,13 @@ void http_cleanup(void) free((void *)http_proxy_authmethod); http_proxy_authmethod = NULL; - if (cert_auth.password != NULL) { + if (cert_auth.password) { memset(cert_auth.password, 0, strlen(cert_auth.password)); FREE_AND_NULL(cert_auth.password); } ssl_cert_password_required = 0; - if (proxy_cert_auth.password != NULL) { + if (proxy_cert_auth.password) { memset(proxy_cert_auth.password, 0, strlen(proxy_cert_auth.password)); FREE_AND_NULL(proxy_cert_auth.password); } @@ -1179,14 +1179,14 @@ struct active_request_slot *get_active_slot(void) while (slot != NULL && slot->in_use) slot = slot->next; - if (slot == NULL) { + if (!slot) { newslot = xmalloc(sizeof(*newslot)); newslot->curl = NULL; newslot->in_use = 0; newslot->next = NULL; slot = active_queue_head; - if (slot == NULL) { + if (!slot) { active_queue_head = newslot; } else { while (slot->next != NULL) @@ -1196,7 +1196,7 @@ struct active_request_slot *get_active_slot(void) slot = newslot; } - if (slot->curl == NULL) { + if (!slot->curl) { slot->curl = curl_easy_duphandle(curl_default); curl_session_count++; } @@ -1768,7 +1768,7 @@ static int http_request(const char *url, slot = get_active_slot(); curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); - if (result == NULL) { + if (!result) { curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); } else { curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); @@ -2100,7 +2100,7 @@ cleanup: void release_http_pack_request(struct http_pack_request *preq) { - if (preq->packfile != NULL) { + if (preq->packfile) { fclose(preq->packfile); preq->packfile = NULL; } @@ -2390,7 +2390,7 @@ abort: void process_http_object_request(struct http_object_request *freq) { - if (freq->slot == NULL) + if (!freq->slot) return; freq->curl_result = freq->slot->curl_result; freq->http_code = freq->slot->http_code; @@ -2447,7 +2447,7 @@ void release_http_object_request(struct http_object_request *freq) freq->localfile = -1; } FREE_AND_NULL(freq->url); - if (freq->slot != NULL) { + if (freq->slot) { freq->slot->callback_func = NULL; freq->slot->callback_data = NULL; release_active_slot(freq->slot); diff --git a/kwset.c b/kwset.c index fc439e0..08aadf0 100644 --- a/kwset.c +++ b/kwset.c @@ -477,7 +477,7 @@ kwsprep (kwset_t kws) next[i] = NULL; treenext(kwset->trie->links, next); - if ((trans = kwset->trans) != NULL) + if ((trans = kwset->trans)) for (i = 0; i < NCHAR; ++i) kwset->next[i] = next[U(trans[i])]; else @@ -485,7 +485,7 @@ kwsprep (kwset_t kws) } /* Fix things up for any translation table. */ - if ((trans = kwset->trans) != NULL) + if ((trans = kwset->trans)) for (i = 0; i < NCHAR; ++i) kwset->delta[i] = delta[U(trans[i])]; else diff --git a/ll-merge.c b/ll-merge.c index 2616575..d964b53 100644 --- a/ll-merge.c +++ b/ll-merge.c @@ -204,7 +204,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn, dict[4].placeholder = "P"; dict[4].value = path_sq.buf; dict[5].placeholder = NULL; dict[5].value = NULL; - if (fn->cmdline == NULL) + if (!fn->cmdline) die("custom merge driver %s lacks command line.", fn->name); result->ptr = NULL; diff --git a/log-tree.c b/log-tree.c index 644893f..2083f52 100644 --- a/log-tree.c +++ b/log-tree.c @@ -84,7 +84,7 @@ static int match_ref_pattern(const char *refname, const struct string_list_item *item) { int matched = 0; - if (item->util == NULL) { + if (!item->util) { if (!wildmatch(item->string, refname, 0)) matched = 1; } else { diff --git a/mailinfo.c b/mailinfo.c index 02f6f95..9621ba6 100644 --- a/mailinfo.c +++ b/mailinfo.c @@ -698,7 +698,7 @@ static int is_scissors_line(const char *line) continue; } last_nonblank = c; - if (first_nonblank == NULL) + if (!first_nonblank) first_nonblank = c; if (*c == '-') { in_perforation = 1; @@ -1094,7 +1094,7 @@ static void handle_body(struct mailinfo *mi, struct strbuf *line) */ lines = strbuf_split(line, '\n'); for (it = lines; (sb = *it); it++) { - if (*(it + 1) == NULL) /* The last line */ + if (!*(it + 1)) /* The last line */ if (sb->buf[sb->len - 1] != '\n') { /* Partial line, save it for later. */ strbuf_addbuf(&prev, sb); diff --git a/mailmap.c b/mailmap.c index 40ce152..10173f2 100644 --- a/mailmap.c +++ b/mailmap.c @@ -77,7 +77,7 @@ static void add_mapping(struct string_list *map, struct mailmap_entry *me; struct string_list_item *item; - if (old_email == NULL) { + if (!old_email) { old_email = new_email; new_email = NULL; } @@ -92,7 +92,7 @@ static void add_mapping(struct string_list *map, item->util = me; } - if (old_name == NULL) { + if (!old_name) { debug_mm("mailmap: adding (simple) entry for '%s'\n", old_email); /* Replace current name and new email for simple entry */ @@ -123,9 +123,9 @@ static char *parse_name_and_email(char *buffer, char **name, char *left, *right, *nstart, *nend; *name = *email = NULL; - if ((left = strchr(buffer, '<')) == NULL) + if (!(left = strchr(buffer, '<'))) return NULL; - if ((right = strchr(left+1, '>')) == NULL) + if (!(right = strchr(left + 1, '>'))) return NULL; if (!allow_empty_email && (left+1 == right)) return NULL; @@ -153,7 +153,7 @@ static void read_mailmap_line(struct string_list *map, char *buffer) if (buffer[0] == '#') return; - if ((name2 = parse_name_and_email(buffer, &name1, &email1, 0)) != NULL) + if ((name2 = parse_name_and_email(buffer, &name1, &email1, 0))) parse_name_and_email(name2, &name2, &email2, 1); if (email1) @@ -319,7 +319,7 @@ int map_user(struct string_list *map, (int)*emaillen, debug_str(*email)); item = lookup_prefix(map, *email, *emaillen); - if (item != NULL) { + if (item) { me = (struct mailmap_entry *)item->util; if (me->namemap.nr) { /* @@ -333,7 +333,7 @@ int map_user(struct string_list *map, item = subitem; } } - if (item != NULL) { + if (item) { struct mailmap_info *mi = (struct mailmap_info *)item->util; if (mi->name == NULL && mi->email == NULL) { debug_mm("map_user: -- (no simple mapping)\n"); diff --git a/merge-ort.c b/merge-ort.c index 0342f10..e5248b1 100644 --- a/merge-ort.c +++ b/merge-ort.c @@ -2018,7 +2018,7 @@ static char *handle_path_level_conflicts(struct merge_options *opt, * to ensure that's the case. */ c_info = strmap_get(collisions, new_path); - if (c_info == NULL) + if (!c_info) BUG("c_info is NULL"); /* @@ -4574,7 +4574,7 @@ static void merge_ort_internal(struct merge_options *opt, } merged_merge_bases = pop_commit(&merge_bases); - if (merged_merge_bases == NULL) { + if (!merged_merge_bases) { /* if there is no common ancestor, use an empty tree */ struct tree *tree; diff --git a/merge-recursive.c b/merge-recursive.c index d945779..543a7ca 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -82,7 +82,7 @@ static struct dir_rename_entry *dir_rename_find_entry(struct hashmap *hashmap, { struct dir_rename_entry key; - if (dir == NULL) + if (!dir) return NULL; hashmap_entry_init(&key.ent, strhash(dir)); key.dir = dir; @@ -1987,14 +1987,14 @@ static void get_renamed_dir_portion(const char *old_path, const char *new_path, * renamed means the root directory can never be renamed -- because * the root directory always exists). */ - if (end_of_old == NULL) + if (!end_of_old) return; /* Note: *old_dir and *new_dir are still NULL */ /* * If new_path contains no directory (end_of_new is NULL), then we * have a rename of old_path's directory to the root directory. */ - if (end_of_new == NULL) { + if (!end_of_new) { *old_dir = xstrndup(old_path, end_of_old - old_path); *new_dir = xstrdup(""); return; @@ -2113,7 +2113,7 @@ static char *handle_path_level_conflicts(struct merge_options *opt, * to ensure that's the case. */ collision_ent = collision_find_entry(collisions, new_path); - if (collision_ent == NULL) + if (!collision_ent) BUG("collision_ent is NULL"); /* @@ -2993,7 +2993,7 @@ static void final_cleanup_rename(struct string_list *rename) const struct rename *re; int i; - if (rename == NULL) + if (!rename) return; for (i = 0; i < rename->nr; i++) { @@ -3602,7 +3602,7 @@ static int merge_recursive_internal(struct merge_options *opt, } merged_merge_bases = pop_commit(&merge_bases); - if (merged_merge_bases == NULL) { + if (!merged_merge_bases) { /* if there is no common ancestor, use an empty tree */ struct tree *tree; diff --git a/object-file.c b/object-file.c index c3d866a..a0b3f00 100644 --- a/object-file.c +++ b/object-file.c @@ -1672,7 +1672,7 @@ void *read_object_file_extended(struct repository *r, die(_("loose object %s (stored in %s) is corrupt"), oid_to_hex(repl), path); - if ((p = has_packed_and_bad(r, repl)) != NULL) + if ((p = has_packed_and_bad(r, repl))) die(_("packed object %s (stored in %s) is corrupt"), oid_to_hex(repl), p->pack_name); obj_read_unlock(); diff --git a/pack-bitmap.c b/pack-bitmap.c index f47a0a7..c531736 100644 --- a/pack-bitmap.c +++ b/pack-bitmap.c @@ -111,7 +111,7 @@ static struct ewah_bitmap *lookup_stored_bitmap(struct stored_bitmap *st) struct ewah_bitmap *parent; struct ewah_bitmap *composed; - if (st->xor == NULL) + if (!st->xor) return st->root; composed = ewah_pool_new(); @@ -279,7 +279,7 @@ static int load_bitmap_entries_v1(struct bitmap_index *index) if (xor_offset > 0) { xor_bitmap = recent_bitmaps[(i - xor_offset) % MAX_XOR_OFFSET]; - if (xor_bitmap == NULL) + if (!xor_bitmap) return error("Invalid XOR offset in bitmap pack index"); } @@ -719,7 +719,7 @@ static int add_commit_to_bitmap(struct bitmap_index *bitmap_git, if (!or_with) return 0; - if (*base == NULL) + if (!*base) *base = ewah_to_bitmap(or_with); else bitmap_or_ewah(*base, or_with); @@ -763,7 +763,7 @@ static struct bitmap *find_objects(struct bitmap_index *bitmap_git, * Best case scenario: We found bitmaps for all the roots, * so the resulting `or` bitmap has the full reachability analysis */ - if (not_mapped == NULL) + if (!not_mapped) return base; roots = not_mapped; @@ -797,7 +797,7 @@ static struct bitmap *find_objects(struct bitmap_index *bitmap_git, struct include_data incdata; struct bitmap_show_data show_data; - if (base == NULL) + if (!base) base = bitmap_new(); incdata.bitmap_git = bitmap_git; @@ -1293,7 +1293,7 @@ struct bitmap_index *prepare_bitmap_walk(struct rev_info *revs, reset_revision_walk(); revs->ignore_missing_links = 0; - if (haves_bitmap == NULL) + if (!haves_bitmap) BUG("failed to perform bitmap walk"); } @@ -1691,7 +1691,7 @@ void test_bitmap_walk(struct rev_info *revs) result = ewah_to_bitmap(bm); } - if (result == NULL) + if (!result) die("Commit %s doesn't have an indexed bitmap", oid_to_hex(&root->oid)); revs->tag_objects = 1; diff --git a/packfile.c b/packfile.c index 89402cf..ef452be 100644 --- a/packfile.c +++ b/packfile.c @@ -116,7 +116,7 @@ int load_idx(const char *path, const unsigned int hashsz, void *idx_map, if (idx_size < 4 * 256 + hashsz + hashsz) return error("index file %s is too small", path); - if (idx_map == NULL) + if (!idx_map) return error("empty data"); if (hdr->idx_signature == htonl(PACK_IDX_SIGNATURE)) { diff --git a/path.c b/path.c index d73146b..3236122 100644 --- a/path.c +++ b/path.c @@ -733,7 +733,7 @@ char *interpolate_path(const char *path, int real_home) struct strbuf user_path = STRBUF_INIT; const char *to_copy = path; - if (path == NULL) + if (!path) goto return_null; if (skip_prefix(path, "%(prefix)/", &path)) diff --git a/prio-queue.c b/prio-queue.c index d3f488c..d31b48e 100644 --- a/prio-queue.c +++ b/prio-queue.c @@ -19,7 +19,7 @@ void prio_queue_reverse(struct prio_queue *queue) { int i, j; - if (queue->compare != NULL) + if (queue->compare) BUG("prio_queue_reverse() on non-LIFO queue"); for (i = 0; i < (j = (queue->nr - 1) - i); i++) swap(queue, i, j); diff --git a/promisor-remote.c b/promisor-remote.c index db2ebdc..8d66956 100644 --- a/promisor-remote.c +++ b/promisor-remote.c @@ -84,7 +84,7 @@ static void promisor_remote_move_to_tail(struct promisor_remote_config *config, struct promisor_remote *r, struct promisor_remote *previous) { - if (r->next == NULL) + if (!r->next) return; if (previous) diff --git a/ref-filter.c b/ref-filter.c index 08a3f83..af919ff 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -1261,7 +1261,7 @@ static void grab_date(const char *buf, struct atom_value *v, const char *atomnam * ":" means no format is specified, and use the default. */ formatp = strchr(atomname, ':'); - if (formatp != NULL) { + if (formatp) { formatp++; parse_date_format(formatp, &date_mode); } @@ -1508,7 +1508,7 @@ static void fill_missing_values(struct atom_value *val) int i; for (i = 0; i < used_atom_cnt; i++) { struct atom_value *v = &val[i]; - if (v->s == NULL) + if (!v->s) v->s = xstrdup(""); } } @@ -1618,7 +1618,7 @@ static const char *rstrip_ref_components(const char *refname, int len) while (remaining-- > 0) { char *p = strrchr(start, '/'); - if (p == NULL) { + if (!p) { free((char *)to_free); return xstrdup(""); } else diff --git a/refs/ref-cache.c b/refs/ref-cache.c index be4aa5e..bf97cfb 100644 --- a/refs/ref-cache.c +++ b/refs/ref-cache.c @@ -134,7 +134,7 @@ int search_ref_dir(struct ref_dir *dir, const char *refname, size_t len) r = bsearch(&key, dir->entries, dir->nr, sizeof(*dir->entries), ref_entry_cmp_sslice); - if (r == NULL) + if (!r) return -1; return r - dir->entries; diff --git a/rerere.c b/rerere.c index d83d58d..bcefd0c 100644 --- a/rerere.c +++ b/rerere.c @@ -591,7 +591,7 @@ int rerere_remaining(struct repository *r, struct string_list *merge_rr) else if (conflict_type == RESOLVED) { struct string_list_item *it; it = string_list_lookup(merge_rr, (const char *)e->name); - if (it != NULL) { + if (it) { free_rerere_id(it); it->util = RERERE_RESOLVED; } diff --git a/revision.c b/revision.c index 1981a08..d29c16e 100644 --- a/revision.c +++ b/revision.c @@ -2801,7 +2801,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s } strvec_clear(&prune_data); - if (revs->def == NULL) + if (!revs->def) revs->def = opt ? opt->def : NULL; if (opt && opt->tweak) opt->tweak(revs, opt); @@ -3620,7 +3620,7 @@ static enum rewrite_result rewrite_one_1(struct rev_info *revs, return rewrite_one_ok; if (!p->parents) return rewrite_one_noparents; - if ((p = one_relevant_parent(revs, p->parents)) == NULL) + if (!(p = one_relevant_parent(revs, p->parents))) return rewrite_one_ok; *pp = p; } diff --git a/setup.c b/setup.c index a9161ac..ac1ef9d 100644 --- a/setup.c +++ b/setup.c @@ -1404,7 +1404,7 @@ int git_config_perm(const char *var, const char *value) int i; char *endptr; - if (value == NULL) + if (!value) return PERM_GROUP; if (!strcmp(value, "umask")) diff --git a/sh-i18n--envsubst.c b/sh-i18n--envsubst.c index 6cd307a..133496b 100644 --- a/sh-i18n--envsubst.c +++ b/sh-i18n--envsubst.c @@ -397,7 +397,7 @@ subst_from_stdin (void) /* Substitute the variable's value from the environment. */ const char *env_value = getenv (buffer); - if (env_value != NULL) + if (env_value) fputs (env_value, stdout); } else diff --git a/shallow.c b/shallow.c index 9ed18eb..2868b2d 100644 --- a/shallow.c +++ b/shallow.c @@ -559,7 +559,7 @@ static void paint_down(struct paint_info *info, const struct object_id *oid, else c->object.flags |= SEEN; - if (*refs == NULL) + if (!*refs) *refs = bitmap; else { memcpy(tmp, *refs, bitmap_size); diff --git a/trailer.c b/trailer.c index 7c7cb61..374b84f 100644 --- a/trailer.c +++ b/trailer.c @@ -1029,7 +1029,7 @@ static FILE *create_in_place_tempfile(const char *file) /* Create temporary file in the same directory as the original */ tail = strrchr(file, '/'); - if (tail != NULL) + if (tail) strbuf_add(&filename_template, file, tail - file + 1); strbuf_addstr(&filename_template, "git-interpret-trailers-XXXXXX"); diff --git a/transport.c b/transport.c index e4f1dec..a52c7e2 100644 --- a/transport.c +++ b/transport.c @@ -427,7 +427,7 @@ static int fetch_refs_via_pack(struct transport *transport, args.self_contained_and_connected; data->options.connectivity_checked = args.connectivity_checked; - if (refs == NULL) + if (!refs) ret = -1; if (report_unmatched_refs(to_fetch, nr_heads)) ret = -1; diff --git a/wildmatch.c b/wildmatch.c index 9e9e2a2..7e5a7ea 100644 --- a/wildmatch.c +++ b/wildmatch.c @@ -113,7 +113,7 @@ static int dowild(const uchar *p, const uchar *text, unsigned int flags) /* Trailing "**" matches everything. Trailing "*" matches * only if there are no more slash characters. */ if (!match_slash) { - if (strchr((char*)text, '/') != NULL) + if (strchr((char *)text, '/')) return WM_NOMATCH; } return WM_MATCH; diff --git a/worktree.c b/worktree.c index 092a4f9..ac099fa 100644 --- a/worktree.c +++ b/worktree.c @@ -486,7 +486,7 @@ int submodule_uses_worktrees(const char *path) return 0; d = readdir_skip_dot_and_dotdot(dir); - if (d != NULL) + if (d) ret = 1; closedir(dir); return ret; diff --git a/wrapper.c b/wrapper.c index 36e1211..f500c2b 100644 --- a/wrapper.c +++ b/wrapper.c @@ -383,7 +383,7 @@ FILE *xfopen(const char *path, const char *mode) FILE *xfdopen(int fd, const char *mode) { FILE *stream = fdopen(fd, mode); - if (stream == NULL) + if (!stream) die_errno("Out of memory? fdopen failed"); return stream; } diff --git a/xdiff-interface.c b/xdiff-interface.c index 75b32ae..a2f086e 100644 --- a/xdiff-interface.c +++ b/xdiff-interface.c @@ -159,7 +159,7 @@ int read_mmfile(mmfile_t *ptr, const char *filename) if (stat(filename, &st)) return error_errno("Could not stat %s", filename); - if ((f = fopen(filename, "rb")) == NULL) + if (!(f = fopen(filename, "rb"))) return error_errno("Could not open %s", filename); sz = xsize_t(st.st_size); ptr->ptr = xmalloc(sz ? sz : 1); diff --git a/xdiff/xemit.c b/xdiff/xemit.c index 1cbf2b9..c4ccd68 100644 --- a/xdiff/xemit.c +++ b/xdiff/xemit.c @@ -65,7 +65,7 @@ xdchange_t *xdl_get_hunk(xdchange_t **xscr, xdemitconf_t const *xecfg) *xscr = xch; } - if (*xscr == NULL) + if (!*xscr) return NULL; lxch = *xscr; diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c index abeb8fb..4c0561c 100644 --- a/xdiff/xprepare.c +++ b/xdiff/xprepare.c @@ -192,7 +192,7 @@ static int xdl_prepare_ctx(unsigned int pass, mmfile_t *mf, long narec, xpparam_ } nrec = 0; - if ((cur = blk = xdl_mmfile_first(mf, &bsize)) != NULL) { + if ((cur = blk = xdl_mmfile_first(mf, &bsize))) { for (top = blk + bsize; cur < top; ) { prev = cur; hav = xdl_hash_record(&cur, top, xpp->flags); diff --git a/xdiff/xutils.c b/xdiff/xutils.c index cfa6e22..115b2b1 100644 --- a/xdiff/xutils.c +++ b/xdiff/xutils.c @@ -122,7 +122,7 @@ long xdl_guess_lines(mmfile_t *mf, long sample) { long nl = 0, size, tsize = 0; char const *data, *cur, *top; - if ((cur = data = xdl_mmfile_first(mf, &size)) != NULL) { + if ((cur = data = xdl_mmfile_first(mf, &size))) { for (top = data + size; nl < sample && cur < top; ) { nl++; if (!(cur = memchr(cur, '\n', top - cur))) -- cgit v0.10.2-6-g49f6