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[2a01:4f8:120:2468::2]) by smtp.gmail.com with ESMTPSA id n15-20020a05600c4f8f00b003842f011bc5sm16927214wmq.2.2022.03.07.07.27.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Mar 2022 07:27:11 -0800 (PST) From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= To: git@vger.kernel.org Cc: Junio C Hamano , Taylor Blau , Derrick Stolee , =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= Subject: [PATCH v2 2/2] string-list API: change "nr" and "alloc" to "size_t" Date: Mon, 7 Mar 2022 16:27:08 +0100 Message-Id: X-Mailer: git-send-email 2.35.1.1242.gfeba0eae32b In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Change the "nr" and "alloc" members of "struct string_list" to use "size_t" instead of "nr". On some platforms the size of an "unsigned int" will be smaller than a "size_t", e.g. a 32 bit unsigned v.s. 64 bit unsigned. As "struct string_list" is a generic API we use in a lot of places this might cause overflows. As one example: code in "refs.c" keeps track of the number of refs with a "size_t", and auxiliary code in builtin/remote.c in get_ref_states() appends those to a "struct string_list". While we're at it split the "nr" and "alloc" in string-list.h across two lines, which is the case for most such struct member declarations (e.g. in "strbuf.h" and "strvec.h"). Changing e.g. "int i" to "size_t i" in run_and_feed_hook() isn't strictly necessary, and there are a lot more cases where we'll use a local "int", "unsigned int" etc. variable derived from the "nr" in the "struct string_list". But in that case as well as add_wrapped_shortlog_msg() in builtin/shortlog.c we need to adjust the printf format referring to "nr" anyway, so let's also change the other variables referring to it. Signed-off-by: Ævar Arnfjörð Bjarmason --- builtin/receive-pack.c | 9 +++++---- builtin/shortlog.c | 10 +++++----- bundle.c | 8 ++++---- commit-graph.c | 6 +++--- mailmap.c | 7 ++++--- merge-ort.c | 4 ++-- string-list.h | 3 ++- t/helper/test-run-command.c | 7 ++++--- wt-status.c | 12 ++++++------ 9 files changed, 35 insertions(+), 31 deletions(-) diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index d10aeb7e78f..fc948a27c4f 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -813,13 +813,14 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, proc.trace2_hook_name = hook_name; if (feed_state->push_options) { - int i; + size_t i; for (i = 0; i < feed_state->push_options->nr; i++) strvec_pushf(&proc.env_array, - "GIT_PUSH_OPTION_%d=%s", i, + "GIT_PUSH_OPTION_%"PRIuMAX"=%s", + (uintmax_t)i, feed_state->push_options->items[i].string); - strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d", - feed_state->push_options->nr); + strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%"PRIuMAX"", + (uintmax_t)feed_state->push_options->nr); } else strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT"); diff --git a/builtin/shortlog.c b/builtin/shortlog.c index 228d782754a..26c5c0cf935 100644 --- a/builtin/shortlog.c +++ b/builtin/shortlog.c @@ -435,7 +435,7 @@ static void add_wrapped_shortlog_msg(struct strbuf *sb, const char *s, void shortlog_output(struct shortlog *log) { - int i, j; + size_t i, j; struct strbuf sb = STRBUF_INIT; if (log->sort_by_number) @@ -448,10 +448,10 @@ void shortlog_output(struct shortlog *log) (int)UTIL_TO_INT(item), item->string); } else { struct string_list *onelines = item->util; - fprintf(log->file, "%s (%d):\n", - item->string, onelines->nr); - for (j = onelines->nr - 1; j >= 0; j--) { - const char *msg = onelines->items[j].string; + fprintf(log->file, "%s (%"PRIuMAX"):\n", + item->string, (uintmax_t)onelines->nr); + for (j = onelines->nr; j >= 1; j--) { + const char *msg = onelines->items[j - 1].string; if (log->wrap_lines) { strbuf_reset(&sb); diff --git a/bundle.c b/bundle.c index a0bb687b0f4..7608701a51e 100644 --- a/bundle.c +++ b/bundle.c @@ -255,18 +255,18 @@ int verify_bundle(struct repository *r, r = &header->references; printf_ln(Q_("The bundle contains this ref:", - "The bundle contains these %d refs:", + "The bundle contains these %"PRIuMAX" refs:", r->nr), - r->nr); + (uintmax_t)r->nr); list_refs(r, 0, NULL); r = &header->prerequisites; if (!r->nr) { printf_ln(_("The bundle records a complete history.")); } else { printf_ln(Q_("The bundle requires this ref:", - "The bundle requires these %d refs:", + "The bundle requires these %"PRIuMAX" refs:", r->nr), - r->nr); + (uintmax_t)r->nr); list_refs(r, 0, NULL); } } diff --git a/commit-graph.c b/commit-graph.c index 265c010122e..e7731db8f40 100644 --- a/commit-graph.c +++ b/commit-graph.c @@ -1690,10 +1690,10 @@ static int fill_oids_from_packs(struct write_commit_graph_context *ctx, dirlen = packname.len; if (ctx->report_progress) { strbuf_addf(&progress_title, - Q_("Finding commits for commit graph in %d pack", - "Finding commits for commit graph in %d packs", + Q_("Finding commits for commit graph in %"PRIuMAX" pack", + "Finding commits for commit graph in %"PRIuMAX" packs", pack_indexes->nr), - pack_indexes->nr); + (uintmax_t)pack_indexes->nr); ctx->progress = start_delayed_progress(progress_title.buf, 0); ctx->progress_done = 0; } diff --git a/mailmap.c b/mailmap.c index 40ce152024d..7befdc5e483 100644 --- a/mailmap.c +++ b/mailmap.c @@ -43,8 +43,8 @@ static void free_mailmap_info(void *p, const char *s) static void free_mailmap_entry(void *p, const char *s) { struct mailmap_entry *me = (struct mailmap_entry *)p; - debug_mm("mailmap: removing entries for <%s>, with %d sub-entries\n", - s, me->namemap.nr); + debug_mm("mailmap: removing entries for <%s>, with %"PRIuMAX" sub-entries\n", + s, (uintmax_t)me->namemap.nr); debug_mm("mailmap: - simple: '%s' <%s>\n", debug_str(me->name), debug_str(me->email)); @@ -250,7 +250,8 @@ int read_mailmap(struct string_list *map) void clear_mailmap(struct string_list *map) { - debug_mm("mailmap: clearing %d entries...\n", map->nr); + debug_mm("mailmap: clearing %"PRIuMAX" entries...\n", + (uintmax_t)map->nr); map->strdup_strings = 1; string_list_clear_func(map, free_mailmap_entry); debug_mm("mailmap: cleared\n"); diff --git a/merge-ort.c b/merge-ort.c index 55decb2587e..bb2be2a2758 100644 --- a/merge-ort.c +++ b/merge-ort.c @@ -4064,8 +4064,8 @@ static void process_entries(struct merge_options *opt, trace2_region_enter("merge", "process_entries cleanup", opt->repo); if (dir_metadata.offsets.nr != 1 || (uintptr_t)dir_metadata.offsets.items[0].util != 0) { - printf("dir_metadata.offsets.nr = %d (should be 1)\n", - dir_metadata.offsets.nr); + printf("dir_metadata.offsets.nr = %"PRIuMAX" (should be 1)\n", + (uintmax_t)dir_metadata.offsets.nr); printf("dir_metadata.offsets.items[0].util = %u (should be 0)\n", (unsigned)(uintptr_t)dir_metadata.offsets.items[0].util); fflush(stdout); diff --git a/string-list.h b/string-list.h index 267d6e5769d..d5a744e1438 100644 --- a/string-list.h +++ b/string-list.h @@ -86,7 +86,8 @@ typedef int (*compare_strings_fn)(const char *, const char *); */ struct string_list { struct string_list_item *items; - unsigned int nr, alloc; + size_t nr; + size_t alloc; unsigned int strdup_strings:1; compare_strings_fn cmp; /* NULL uses strcmp() */ }; diff --git a/t/helper/test-run-command.c b/t/helper/test-run-command.c index 913775a14b7..eabd28defc5 100644 --- a/t/helper/test-run-command.c +++ b/t/helper/test-run-command.c @@ -180,15 +180,16 @@ static int testsuite(int argc, const char **argv) if (max_jobs > suite.tests.nr) max_jobs = suite.tests.nr; - fprintf(stderr, "Running %d tests (%d at a time)\n", - suite.tests.nr, max_jobs); + fprintf(stderr, "Running %"PRIuMAX" tests (%d at a time)\n", + (uintmax_t)suite.tests.nr, max_jobs); ret = run_processes_parallel(max_jobs, next_test, test_failed, test_finished, &suite); if (suite.failed.nr > 0) { ret = 1; - fprintf(stderr, "%d tests failed:\n\n", suite.failed.nr); + fprintf(stderr, "%"PRIuMAX" tests failed:\n\n", + (uintmax_t)suite.failed.nr); for (i = 0; i < suite.failed.nr; i++) fprintf(stderr, "\t%s\n", suite.failed.items[i].string); } diff --git a/wt-status.c b/wt-status.c index 335e723a71e..bd54cf59894 100644 --- a/wt-status.c +++ b/wt-status.c @@ -1374,10 +1374,10 @@ static void show_rebase_information(struct wt_status *s, status_printf_ln(s, color, _("No commands done.")); else { status_printf_ln(s, color, - Q_("Last command done (%d command done):", - "Last commands done (%d commands done):", + Q_("Last command done (%"PRIuMAX" command done):", + "Last commands done (%"PRIuMAX" commands done):", have_done.nr), - have_done.nr); + (uintmax_t)have_done.nr); for (i = (have_done.nr > nr_lines_to_show) ? have_done.nr - nr_lines_to_show : 0; i < have_done.nr; @@ -1393,10 +1393,10 @@ static void show_rebase_information(struct wt_status *s, _("No commands remaining.")); else { status_printf_ln(s, color, - Q_("Next command to do (%d remaining command):", - "Next commands to do (%d remaining commands):", + Q_("Next command to do (%"PRIuMAX" remaining command):", + "Next commands to do (%"PRIuMAX" remaining commands):", yet_to_do.nr), - yet_to_do.nr); + (uintmax_t)yet_to_do.nr); for (i = 0; i < nr_lines_to_show && i < yet_to_do.nr; i++) status_printf_ln(s, color, " %s", yet_to_do.items[i].string); if (s->hints) -- 2.35.1.1242.gfeba0eae32b