From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f68.google.com (mail-wm0-f68.google.com [74.125.82.68]) by dpdk.org (Postfix) with ESMTP id A356B1BEC0 for ; Thu, 5 Jul 2018 13:49:02 +0200 (CEST) Received: by mail-wm0-f68.google.com with SMTP id s12-v6so10651799wmc.1 for ; Thu, 05 Jul 2018 04:49:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=pv6jnBk/zq+IBiM4PRxSCoZK85hbZX5yBbbjL1gSTQc=; b=EG9Mx8n/awR/qZjeDS6AyKvM1XdzYKK1g2ivkIk4wbVbunLpAn7y7dI8sxkVA+Rpny AQau1JcIqVjaTPmMmFxIWssPxXufm5NXFemujOumZgNKn+vRLMkWX+TNtrt0f210n9ju njxnq2j3VD35zge4WJzRzRdC/UKed5MRXOlbNa+z2TuSuofMDlCg77ERBzDRckcbRMIo 8kZKSxL7QBeUTfaaF6AE5GIPoQKA4V2/rUS47wjtkouAbNHuBGUnwFdkoTMoGdxqkint vVYuNU/k7uKhpGUry57PAKx3kmI/653ECRdFGEVgyj8DygXceGfcpvBP662bn8lpoYHL VgDg== 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; bh=pv6jnBk/zq+IBiM4PRxSCoZK85hbZX5yBbbjL1gSTQc=; b=SHLWjL9hE3XKdo9htbgqMCy0C4MUMMGfMLxqBv7MPBBnOn2CV4rEoELeLs6lXuaZg3 U9HEn+aKk9BJXZyDjuEpJaQPnqNQImr+SMEf+QFUww1DGSwupVO3kc8yRJjsLcjVIuLJ IPOq2LzVio63J43erzvIWgU7p0QyPPa1YF6cxSlrBGkm8wGNcFs0iPdxfarzYmngDis3 4c2W7OdQ4HvRpDgnht9bfbWnY8JDBbctm6sAAL5U+vJsfKrXq2/x9n4qCP5JLPOhPQt+ bQdQAD7kYDxSYlcjzVYD5gY9CEa1Pob+Xtmtkkq4ASPkV/xBztd+7Gkscsg0hBOgeaIg HPHg== X-Gm-Message-State: APt69E3TteeA9hv0G0l6zvit9oESl6MuFf24HNJz2IzHRYWbZrzT9jQ2 7auvAyC+4C5PngB8y0/opCljhc8K X-Google-Smtp-Source: AAOMgpf0awDB86kaFB+pdF4kvcPhDhRcF49UpIDPe68ID3bUkUH9981fnSq54jW/lbU87Jz+3D4PEA== X-Received: by 2002:a1c:894f:: with SMTP id l76-v6mr3817216wmd.103.1530791341928; Thu, 05 Jul 2018 04:49:01 -0700 (PDT) Received: from bidouze.dev.6wind.com. (host.78.145.23.62.rev.coltfrance.com. [62.23.145.78]) by smtp.gmail.com with ESMTPSA id o42-v6sm15809183wrc.50.2018.07.05.04.49.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 05 Jul 2018 04:49:00 -0700 (PDT) From: Gaetan Rivet To: dev@dpdk.org Cc: Gaetan Rivet Date: Thu, 5 Jul 2018 13:48:11 +0200 Message-Id: <6816f4a37e4f3869422377392689ec9ff3f25e7b.1530791217.git.gaetan.rivet@6wind.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: Subject: [dpdk-dev] [PATCH v10 04/27] kvargs: introduce a more flexible parsing function X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Jul 2018 11:49:02 -0000 This function permits defining additional terminating characters, ending the parsing to arbitrary delimiters. Signed-off-by: Gaetan Rivet --- lib/Makefile | 1 + lib/librte_kvargs/meson.build | 2 ++ lib/librte_kvargs/rte_kvargs.c | 25 ++++++++++++++++++++ lib/librte_kvargs/rte_kvargs.h | 30 ++++++++++++++++++++++++ lib/librte_kvargs/rte_kvargs_version.map | 7 ++++++ 5 files changed, 65 insertions(+) diff --git a/lib/Makefile b/lib/Makefile index e8e903c8f..8a65525cd 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -5,6 +5,7 @@ include $(RTE_SDK)/mk/rte.vars.mk DIRS-y += librte_compat DIRS-$(CONFIG_RTE_LIBRTE_KVARGS) += librte_kvargs +DEPDIRS-librte_kvargs := librte_compat DIRS-$(CONFIG_RTE_LIBRTE_EAL) += librte_eal DIRS-$(CONFIG_RTE_LIBRTE_PCI) += librte_pci DEPDIRS-librte_pci := librte_eal diff --git a/lib/librte_kvargs/meson.build b/lib/librte_kvargs/meson.build index 0a81e8da7..a1c724961 100644 --- a/lib/librte_kvargs/meson.build +++ b/lib/librte_kvargs/meson.build @@ -7,3 +7,5 @@ includes += include_directories('../../../lib/librte_eal/common/include') version = 1 sources = files('rte_kvargs.c') headers = files('rte_kvargs.h') + +deps += 'compat' diff --git a/lib/librte_kvargs/rte_kvargs.c b/lib/librte_kvargs/rte_kvargs.c index 747f14964..519f77679 100644 --- a/lib/librte_kvargs/rte_kvargs.c +++ b/lib/librte_kvargs/rte_kvargs.c @@ -168,3 +168,28 @@ rte_kvargs_parse(const char *args, const char * const valid_keys[]) return kvlist; } + +__rte_experimental +struct rte_kvargs * +rte_kvargs_parse2(const char *args, const char * const valid_keys[], + const char *valid_ends) +{ + struct rte_kvargs *kvlist = NULL; + char *copy; + size_t len; + + if (valid_ends == NULL) + return rte_kvargs_parse(args, valid_keys); + + copy = strdup(args); + if (copy == NULL) + return NULL; + + len = strcspn(copy, valid_ends); + copy[len] = '\0'; + + kvlist = rte_kvargs_parse(copy, valid_keys); + + free(copy); + return kvlist; +} diff --git a/lib/librte_kvargs/rte_kvargs.h b/lib/librte_kvargs/rte_kvargs.h index 51b8120b8..98c4ed1bf 100644 --- a/lib/librte_kvargs/rte_kvargs.h +++ b/lib/librte_kvargs/rte_kvargs.h @@ -71,6 +71,36 @@ struct rte_kvargs { struct rte_kvargs *rte_kvargs_parse(const char *args, const char *const valid_keys[]); +/** + * Allocate a rte_kvargs and store key/value associations from a string. + * This version will consider any byte from valid_ends as a possible + * terminating character, and will not parse beyond any of their occurrence. + * + * The function allocates and fills an rte_kvargs structure from a given + * string whose format is key1=value1,key2=value2,... + * + * The structure can be freed with rte_kvargs_free(). + * + * @param args + * The input string containing the key/value associations + * + * @param valid_keys + * A list of valid keys (table of const char *, the last must be NULL). + * This argument is ignored if NULL + * + * @param valid_ends + * Acceptable terminating characters. + * If NULL, the behavior is the same as ``rte_kvargs_parse``. + * + * @return + * - A pointer to an allocated rte_kvargs structure on success + * - NULL on error + */ +__rte_experimental +struct rte_kvargs *rte_kvargs_parse2(const char *args, + const char *const valid_keys[], + const char *valid_ends); + /** * Free a rte_kvargs structure * diff --git a/lib/librte_kvargs/rte_kvargs_version.map b/lib/librte_kvargs/rte_kvargs_version.map index 2030ec46c..b9fe44b98 100644 --- a/lib/librte_kvargs/rte_kvargs_version.map +++ b/lib/librte_kvargs/rte_kvargs_version.map @@ -8,3 +8,10 @@ DPDK_2.0 { local: *; }; + +EXPERIMENTAL { + global: + + rte_kvargs_parse2; + +} DPDK_2.0; -- 2.18.0