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AJvYcCUZ0tbBrycUxF1DPF89n8Fz3oo7CgUlLhYCpeFX/MCJqeTe/dZM+8vT/nMLuWE5yNpTUyQX@lists.linux.dev X-Gm-Message-State: AOJu0YyUu5O5ySpNLpTJNGGMnlgQtPkaVEImUta2H8p3BkKz+te481E1 CqGsvwVCLEr1RUWcVmr1e4Lb/GFQ0rYCNE94Vc3ESG6t0Iu+0FUifwlPJfoHXu/B2zlN8Tw4C5J DZZKuEA== X-Google-Smtp-Source: AGHT+IGqboy2GJ8KcKXgHvINA6kBdII8ptQNXP56vNZrZaxnHdkJFqlrjLnbAqPsXDoTdL86TSRYYNPIfspz X-Received: from pfbho20.prod.google.com ([2002:a05:6a00:8814:b0:736:af6b:e58d]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:aa7:8890:0:b0:736:52d7:daca with SMTP id d2e1a72fcca58-7398042a376mr23457517b3a.18.1743531957749; Tue, 01 Apr 2025 11:25:57 -0700 (PDT) Date: Tue, 1 Apr 2025 11:23:38 -0700 In-Reply-To: <20250401182347.3422199-1-irogers@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250401182347.3422199-1-irogers@google.com> X-Mailer: git-send-email 2.49.0.504.g3bcea36a83-goog Message-ID: <20250401182347.3422199-41-irogers@google.com> Subject: [PATCH v1 40/48] perf list: Silence -Wshorten-64-to-32 warnings From: Ian Rogers To: Yury Norov , Rasmus Villemoes , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Thomas Gleixner , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Yicong Yang , Jonathan Cameron , Nathan Chancellor , Bill Wendling , Justin Stitt , Josh Poimboeuf , Al Viro , Kyle Meyer , Ben Gainey , Athira Rajeev , Kajol Jain , Aditya Gupta , Eder Zulian , Dapeng Mi , Kuan-Wei Chiu , He Zhe , Dirk Gouders , Brian Geffon , Ravi Bangoria , Howard Chu , Charlie Jenkins , Colin Ian King , Dominique Martinet , Jann Horn , Masahiro Yamada , Arnd Bergmann , Yang Jihong , Dmitry Vyukov , Andi Kleen , Graham Woodward , Ilkka Koskinen , Anshuman Khandual , Zhongqiu Han , Hao Ge , Tengda Wu , Gabriele Monaco , Chun-Tse Shao , Casey Chen , "Dr. David Alan Gilbert" , Li Huafei , "Steinar H. Gunderson" , Levi Yun , Weilin Wang , Thomas Falcon , Thomas Richter , Andrew Kreimer , "=?UTF-8?q?Krzysztof=20=C5=81opatowski?=" , Christophe Leroy , Jean-Philippe Romain , Junhao He , "Masami Hiramatsu (Google)" , Xu Yang , Steve Clevenger , Zixian Cai , Stephen Brennan , Yujie Liu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, llvm@lists.linux.dev Content-Type: text/plain; charset="UTF-8" The clang warning -Wshorten-64-to-32 can be useful to catch inadvertent truncation. In some instances this truncation can lead to changing the sign of a result, for example, truncation to return an int to fit a sort routine. Silence the warning by making the implicit truncation explicit. Signed-off-by: Ian Rogers --- tools/perf/builtin-list.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index fed482adb039..ffe2e972e3f2 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -93,7 +93,7 @@ static void wordwrap(FILE *fp, const char *s, int start, int max, int corr) bool comma = false; while (*s) { - int wlen = strcspn(s, " ,\t\n"); + int wlen = (int)strcspn(s, " ,\t\n"); const char *sep = comma ? "," : " "; if ((column + wlen >= max && column > start) || saw_newline) { @@ -171,7 +171,7 @@ static void default_print_event(void *ps, const char *topic, const char *pmu_nam int desc_len = -1; if (pmu_name && strcmp(pmu_name, "default_core")) { - desc_len = strlen(desc); + desc_len = (int)strlen(desc); desc_len = asprintf(&desc_with_unit, desc_len > 0 && desc[desc_len - 1] != '.' ? "%s. Unit: %s" : "%s Unit: %s", -- 2.49.0.504.g3bcea36a83-goog