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[104.178.186.189]) by smtp.gmail.com with ESMTPSA id n207-20020a0dcbd8000000b00555df877a4csm3168656ywd.102.2023.04.24.15.20.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Apr 2023 15:20:18 -0700 (PDT) Date: Mon, 24 Apr 2023 18:20:17 -0400 From: Taylor Blau To: git@vger.kernel.org Cc: Jeff King , Chris Torek , Junio C Hamano , Jeff Hostetler , =?utf-8?B?UmVuw6k=?= Scharfe Subject: [PATCH v3 3/6] t/helper/test-hashmap.c: avoid using `strtok()` Message-ID: <78ecf13cb0a642c2591af20321245a77e9b0aadd.1682374789.git.me@ttaylorr.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Avoid using the non-reentrant `strtok()` to separate the parts of each incoming command. Instead of replacing it with `strtok_r()`, let's instead use the more friendly pair of `string_list_split_in_place()` and `string_list_remove_empty_items()`. Signed-off-by: Taylor Blau --- t/helper/test-hashmap.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) diff --git a/t/helper/test-hashmap.c b/t/helper/test-hashmap.c index 36ff07bd4b..0eb0b3d49c 100644 --- a/t/helper/test-hashmap.c +++ b/t/helper/test-hashmap.c @@ -2,6 +2,7 @@ #include "git-compat-util.h" #include "hashmap.h" #include "strbuf.h" +#include "string-list.h" struct test_entry { @@ -150,6 +151,7 @@ static void perf_hashmap(unsigned int method, unsigned int rounds) */ int cmd__hashmap(int argc, const char **argv) { + struct string_list parts = STRING_LIST_INIT_NODUP; struct strbuf line = STRBUF_INIT; int icase; struct hashmap map = HASHMAP_INIT(test_entry_cmp, &icase); @@ -159,21 +161,26 @@ int cmd__hashmap(int argc, const char **argv) /* process commands from stdin */ while (strbuf_getline(&line, stdin) != EOF) { - char *cmd, *p1 = NULL, *p2 = NULL; + char *cmd, *p1, *p2; unsigned int hash = 0; struct test_entry *entry; /* break line into command and up to two parameters */ - cmd = strtok(line.buf, DELIM); + string_list_setlen(&parts, 0); + string_list_split_in_place(&parts, line.buf, DELIM, 2); + string_list_remove_empty_items(&parts, 0); + /* ignore empty lines */ - if (!cmd || *cmd == '#') + if (!parts.nr) + continue; + if (!*parts.items[0].string || *parts.items[0].string == '#') continue; - p1 = strtok(NULL, DELIM); - if (p1) { + cmd = parts.items[0].string; + p1 = parts.nr >= 1 ? parts.items[1].string : NULL; + p2 = parts.nr >= 2 ? parts.items[2].string : NULL; + if (p1) hash = icase ? strihash(p1) : strhash(p1); - p2 = strtok(NULL, DELIM); - } if (!strcmp("add", cmd) && p1 && p2) { @@ -260,6 +267,7 @@ int cmd__hashmap(int argc, const char **argv) } } + string_list_clear(&parts, 0); strbuf_release(&line); hashmap_clear_and_free(&map, struct test_entry, ent); return 0; -- 2.40.0.380.gd2df7d2365