From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3B7D945CB1; Fri, 8 Nov 2024 09:57:27 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2AC0443249; Fri, 8 Nov 2024 09:57:27 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 2A9A242FCD for ; Fri, 8 Nov 2024 09:57:26 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1731056245; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/ou8lGZfUYRcDDarmldeautbdhYxmilhRMlkIsbj51M=; b=ExQwvyaeNIp9st0YxvtmtcE2tEymYu7aTlLEK1YulElXa5dL+Rsd2bR365SfdLI0v9vY3b FufPnaIDTjAgtnQ38IY2tffPuNr2C3avKn/QX7XMC7KkFT1dvGr0K15G6sYkiu10Z/knqE 0RAzj/yHpQXkbGxaZAG+b1foyeREX6E= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-400-h5vMoJd5NRCCzkZY6VhHKg-1; Fri, 08 Nov 2024 03:57:24 -0500 X-MC-Unique: h5vMoJd5NRCCzkZY6VhHKg-1 X-Mimecast-MFC-AGG-ID: h5vMoJd5NRCCzkZY6VhHKg Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B66B21956083; Fri, 8 Nov 2024 08:57:22 +0000 (UTC) Received: from dmarchan.redhat.com (unknown [10.45.224.57]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1B896300019E; Fri, 8 Nov 2024 08:57:19 +0000 (UTC) From: David Marchand To: dev@dpdk.org Cc: Stephen Hemminger , Tyler Retzlaff , Dmitry Kozlyuk , =?UTF-8?q?Morten=20Br=C3=B8rup?= , Bruce Richardson , Chengwen Feng Subject: [PATCH v32 01/12] eal/windows: align getopt to FreeBSD Date: Fri, 8 Nov 2024 09:56:58 +0100 Message-ID: <20241108085710.2943741-2-david.marchand@redhat.com> In-Reply-To: <20241108085710.2943741-1-david.marchand@redhat.com> References: <20200814173441.23086-1-stephen@networkplumber.org> <20241108085710.2943741-1-david.marchand@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: FTpmPoMTJN_apKpdPxKZ1CpjbbjxAJkgUeCNfe2r1IY_1731056243 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Stephen Hemminger Having different prototypes on different platforms can lead to lots of unnecessary workarounds. It looks like the version of getopt used from windows was based on an older out of date version from FreeBSD. This patch changes getopt, getopt_long, etc to have the same const attributes as Linux and FreeBSD. The changes are derived from the current FreeBSD version of getopt_long. Signed-off-by: Stephen Hemminger Acked-by: Tyler Retzlaff Acked-by: Dmitry Kozlyuk Acked-by: Morten Brørup Acked-by: Bruce Richardson Acked-by: Chengwen Feng --- lib/eal/windows/getopt.c | 23 ++++++++++++----------- lib/eal/windows/include/getopt.h | 8 ++++---- 2 files changed, 16 insertions(+), 15 deletions(-) diff --git a/lib/eal/windows/getopt.c b/lib/eal/windows/getopt.c index a1f51c6c23..50ff71b930 100644 --- a/lib/eal/windows/getopt.c +++ b/lib/eal/windows/getopt.c @@ -20,7 +20,7 @@ #include #include -const char *optarg; /* argument associated with option */ +char *optarg; /* argument associated with option */ int opterr = 1; /* if error message should be printed */ int optind = 1; /* index into parent argv vector */ int optopt = '?'; /* character checked for validity */ @@ -39,9 +39,9 @@ static void pass(const char *a) {(void) a; } #define BADARG ((*options == ':') ? (int)':' : (int)'?') #define INORDER 1 -#define EMSG "" +static char EMSG[] = ""; -static const char *place = EMSG; /* option letter processing */ +static char *place = EMSG; /* option letter processing */ /* XXX: set optreset to 1 rather than these two */ static int nonopt_start = -1; /* first non option argument (for permute) */ @@ -80,7 +80,7 @@ gcd(int a, int b) */ static void permute_args(int panonopt_start, int panonopt_end, int opt_end, - char **nargv) + char * const *nargv) { int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos; char *swap; @@ -101,11 +101,12 @@ permute_args(int panonopt_start, int panonopt_end, int opt_end, pos -= nnonopts; else pos += nopts; + swap = nargv[pos]; /* LINTED const cast */ - ((char **) nargv)[pos] = nargv[cstart]; + ((char **)(uintptr_t)nargv)[pos] = nargv[cstart]; /* LINTED const cast */ - ((char **)nargv)[cstart] = swap; + ((char **)(uintptr_t)nargv)[cstart] = swap; } } } @@ -116,7 +117,7 @@ permute_args(int panonopt_start, int panonopt_end, int opt_end, * Returns -1 if short_too is set and the option does not match long_options. */ static int -parse_long_options(char **nargv, const char *options, +parse_long_options(char * const *nargv, const char *options, const struct option *long_options, int *idx, int short_too) { const char *current_argv; @@ -236,7 +237,7 @@ parse_long_options(char **nargv, const char *options, * Parse argc/argv argument vector. Called by user level routines. */ static int -getopt_internal(int nargc, char **nargv, const char *options, +getopt_internal(int nargc, char *const nargv[], const char *options, const struct option *long_options, int *idx, int flags) { char *oli; /* option letter list index */ @@ -434,7 +435,7 @@ getopt_internal(int nargc, char **nargv, const char *options, * Parse argc/argv argument vector. */ int -getopt(int nargc, char *nargv[], const char *options) +getopt(int nargc, char *const nargv[], const char *options) { return getopt_internal(nargc, nargv, options, NULL, NULL, FLAG_PERMUTE); @@ -445,7 +446,7 @@ getopt(int nargc, char *nargv[], const char *options) * Parse argc/argv argument vector. */ int -getopt_long(int nargc, char *nargv[], const char *options, +getopt_long(int nargc, char *const nargv[], const char *options, const struct option *long_options, int *idx) { @@ -458,7 +459,7 @@ getopt_long(int nargc, char *nargv[], const char *options, * Parse argc/argv argument vector. */ int -getopt_long_only(int nargc, char *nargv[], const char *options, +getopt_long_only(int nargc, char *const nargv[], const char *options, const struct option *long_options, int *idx) { diff --git a/lib/eal/windows/include/getopt.h b/lib/eal/windows/include/getopt.h index 6f57af454b..e4cf6873cb 100644 --- a/lib/eal/windows/include/getopt.h +++ b/lib/eal/windows/include/getopt.h @@ -44,7 +44,7 @@ /** argument to current option, or NULL if it has none */ -extern const char *optarg; +extern char *optarg; /** Current position in arg string. Starts from 1. * Setting to 0 resets state. */ @@ -80,14 +80,14 @@ struct option { }; /** Compat: getopt */ -int getopt(int argc, char *argv[], const char *options); +int getopt(int argc, char *const argv[], const char *options); /** Compat: getopt_long */ -int getopt_long(int argc, char *argv[], const char *options, +int getopt_long(int argc, char *const argv[], const char *options, const struct option *longopts, int *longindex); /** Compat: getopt_long_only */ -int getopt_long_only(int nargc, char *argv[], const char *options, +int getopt_long_only(int nargc, char *const argv[], const char *options, const struct option *long_options, int *idx); -- 2.47.0