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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id a17sm8062827ios.36.2021.08.07.14.43.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Aug 2021 14:43:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=D+a7UQ8owCmGXtyzDU3U40GIDHEJl71xOx4FAs8OqMA=; b=DDPtkXkx5v6T1EP45z2hwLUjNPOy/2PrkgOs+KAC3uECbFD2rkHv2DSuDKNcGbbt4d Y0MUNFq+0TOPmQq7tveSfj7sXYuf7+WC1ycMNPP0Rx5IdoAX93WjWeq1nS7v3UCX+2bb ciT8n/ysVLNpULS0fMnPQbRzGOhsYo/i41erR0PIiSZt3a8Rg2lTPKRw38ItLzLp1XJT 3YBi5qsYR2gSvWJH7dt/O78+4p0q+DvNYoHSh1QdJCXA1Y0ypK169EyQL7OlQGGfdPz6 SCwM2aeXtdMMgzx1QAdiLCDtu2Tys8qE30TDNz2HqEH90ogr5XTs3j1KRJEzc9k0DJtT pY/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=D+a7UQ8owCmGXtyzDU3U40GIDHEJl71xOx4FAs8OqMA=; b=aZfxks/bfaHo5WyvzX/Dgkjskj5XvOcI3nqp9bACqcTKYxhzqiSctTeTpJfSbMQlz2 5g/uSoos8Lzelat7+s5R04p3Oe/vZNfoY/bg73tQln/RmnaSEJwLWJj7B0PNskurNuzP Nofd6HNTXC2B9MbW9XAcm+Xpb8hL4pFFkrU5fOQh0ILprinf5sfz43/L/fH0+UEyRblk kKcFXOLkCEhmV4V9AocHp3j8jkqxujB8aqgHCv9lSJiai3hGjwpwTYCJWeMymXSGjgtU 2U/AkL5PwVEMVDFJg+q1kIb0qqZtV8Jc/TwYWnwG6BuML2m6IV2GDqqd2HCmXLyvSkbi USTw== X-Gm-Message-State: AOAM5337k4SRsjwNtSOewKiKbu8EYCAgfWEyDtlgyCYNf2gOHhFKSrfS e4LzAbhQ6ES0CLIv/Yx/zPT/bNJCiD9Yrj2w X-Google-Smtp-Source: ABdhPJzhyQ2vYSVCJaYzjPi7xG9T2z9NNVyYuiJ08PnXKnpEQa2NQTOU5rJOGAbnmDeR1LxfZliLrA== X-Received: by 2002:a05:6e02:2147:: with SMTP id d7mr91494ilv.179.1628372620043; Sat, 07 Aug 2021 14:43:40 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH for 6.2 49/49] bsd-user: Add '-0 argv0' option to bsd-user/main.c Date: Sat, 7 Aug 2021 15:42:42 -0600 Message-Id: <20210807214242.82385-50-imp@bsdimp.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210807214242.82385-1-imp@bsdimp.com> References: <20210807214242.82385-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::d2b; envelope-from=imp@bsdimp.com; helo=mail-io1-xd2b.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kevans@freebsd.org, Colin Percival , Warner Losh Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bsdimp-com.20150623.gappssmtp.com) X-ZM-MESSAGEID: 1628374398432100001 Content-Type: text/plain; charset="utf-8" From: Colin Percival Previously it was impossible to emulate a program with a file name different from its argv[0]. With this change, you can run qemu -0 fakename realname args which runs the program "realname" with an argv of "fakename args". Signed-off-by: Colin Percival Signed-off-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/bsd-user/main.c b/bsd-user/main.c index 1de5dc189b..c3ecdaf824 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -284,6 +284,7 @@ int main(int argc, char **argv) char **target_environ, **wrk; envlist_t *envlist =3D NULL; bsd_type =3D HOST_DEFAULT_BSD_TYPE; + char * argv0 =3D NULL; =20 adjust_ssize(); =20 @@ -405,6 +406,8 @@ int main(int argc, char **argv) do_strace =3D 1; } else if (!strcmp(r, "trace")) { trace_opt_parse(optarg); + } else if (!strcmp(r, "0")) { + argv0 =3D argv[optind++]; } else { usage(); } @@ -428,6 +431,8 @@ int main(int argc, char **argv) usage(); } filename =3D argv[optind]; + if (argv0) + argv[optind] =3D argv0; =20 if (!trace_init_backends()) { exit(1); --=20 2.32.0