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Miller" , Jakub Kicinski , Aviad Brikman , Eliav Farber , Oleksandr Savchenko , Shay Bar , Viktor Barna Subject: [RFC v1 225/256] cl8k: add utils/string.c Date: Thu, 17 Jun 2021 16:01:52 +0000 Message-Id: <20210617160223.160998-226-viktor.barna@celeno.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210617160223.160998-1-viktor.barna@celeno.com> References: <20210617160223.160998-1-viktor.barna@celeno.com> X-Originating-IP: [62.216.42.54] X-ClientProxiedBy: PR3PR09CA0018.eurprd09.prod.outlook.com (2603:10a6:102:b7::23) To AM9P192MB1412.EURP192.PROD.OUTLOOK.COM (2603:10a6:20b:38b::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (62.216.42.54) by PR3PR09CA0018.eurprd09.prod.outlook.com (2603:10a6:102:b7::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4242.18 via Frontend Transport; Thu, 17 Jun 2021 16:06:44 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4baeea58-73f4-4162-6801-08d931a9e78e X-MS-TrafficTypeDiagnostic: AM0P192MB0452: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:270; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM9P192MB1412.EURP192.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(376002)(366004)(346002)(136003)(396003)(39850400004)(66946007)(66556008)(54906003)(9686003)(6512007)(16526019)(36756003)(107886003)(8676002)(66476007)(4326008)(26005)(316002)(6486002)(6666004)(8936002)(86362001)(186003)(1076003)(2906002)(2616005)(38100700002)(38350700002)(6916009)(956004)(55236004)(52116002)(508600001)(6506007)(5660300002)(83380400001)(69590400013)(32563001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: wZ9X5iG4TwqsvtgWlOQEAlu4oT1OX5BqkVH2d1hey6qCrZSvq425aHgGXcXVI1jkf2DO8bYbS4E8eGqXlu0aXAZMBuWcYsWufyMTbf5myxu+kMM0CyMwDhcOmzCp4TheTcV3HHimzcRTqEwXs2VPdUn6ZxRGzqyZKwa+u58bGbcWtU/4Y3EiOaTZA07L9NX5bzJFjS3QluXjxmwmA3Xg7vMVw7zvWax+SQvVQL9zWIq85Qc/Q2r1oQ7ZNQbmrOqPIi6c7QIJeeS2uVIfGdxpIpVBLzP/vrgBZDAAxj9Ho1UGRqG/sZOPVEqsSYxP/IDHC9JcrA1DQXSvwZYHo3DGNSsWEE90BlRUNR/+4Qs7I9w0IBFFMM3FuJsj1bTtaHgzoAM34m2yqMbS5CMnPONtVWDGAlOlM97Hl7xdlwR52dswG0EQ4N8tup/YtQzKahIku9laojvyRf8hxLMzbYo2HZsFcLX9ybZlwJvTbyjF+tDr0hzyq1q7pVSOzZ3yj2h6eSok4o4b087znomnvj+WrO+RrF2BJftE+OgobsClQfvGLNMiJA3wgvXlCwcWE8a8YoMH3IBys6lTMIPpWAT8t8oPu1Asp40KuWSyKI1ptQwsSUIMxLTee+dQmjeBJ+WDC5D13nRYnI51M54Wt1sDhQbBb3rWpDXxsu6qO50mTEF31k329yyIH2J1AHA6A9WWiVtQCI4Bxk6XrDrCajOt+ENhzLp3QJLTERKJLMo9yoOb40az7JY2vAIlPXlFOOeqxnkIgqatRuCiHXkhopOCocswkyP8MotCUBoCwnhjkg2IXwSjZWQQG4z8ZHEdvQ/OqCZhNYLqt64mhRhU5JUFaQE5pQYHepXTL4RgqAziumCJFfESOf8tm2v9evdbzwQoBikZheDw1ZSbIyYV/EeTfRvSWHe/OW7aXB8KlthrC9O4sSyk7HM6lWP7UzWpCaUo+J9qlIhVFdfZoju34p5Q3Jx0Fhze0AF0lDzc7cMujDMNe+rmBuNH/rGjeod85r/8HS+/b1zNqSdneZPEAV3Wdxz2/5keWsNNBjuph5g+EftX+DCl/qbvTzJ1vDNx8cCEZEab8L15JtptJE93J+u1s/MYouHMTgZSjAgtCvp3AJYANy+Gp0fJfaJlJAYEBkljkcWoBC6TUD83Y9MMJWbeGZh7VvkBsKZOkvoEnhtrS57vzERsj/+ZoztSeS3vrKg5M0sl4X4+EOId2KQNPPUUV9llkLKndNdhdRtdjB6BJWglAUF+o/Wzd+v6vzpebshsmjIDJNqR0ChnSsVd5BxIs3wrwG1UGSWk3CHgKqwK90UWN7TSqu9ekdPAF8JysNGq X-OriginatorOrg: celeno.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4baeea58-73f4-4162-6801-08d931a9e78e X-MS-Exchange-CrossTenant-AuthSource: AM9P192MB1412.EURP192.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jun 2021 16:06:45.5153 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f313103b-4c9f-4fd3-b5cf-b97f91c4afa8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: FRUkqRw9vHAaHPW0zzvuiJz8tra0w5uy/ex8iqCo79SIkd/YkKs1tWGKoBWjK5lPY99wJYC4Gytb8yYUfhiovg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0P192MB0452 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Viktor Barna (Part of the split. Please, take a look at the cover letter for more details). Signed-off-by: Viktor Barna --- .../net/wireless/celeno/cl8k/utils/string.c | 235 ++++++++++++++++++ 1 file changed, 235 insertions(+) create mode 100644 drivers/net/wireless/celeno/cl8k/utils/string.c -- 2.30.0 diff --git a/drivers/net/wireless/celeno/cl8k/utils/string.c b/drivers/net/wireless/celeno/cl8k/utils/string.c new file mode 100644 index 000000000000..1300563e86a6 --- /dev/null +++ b/drivers/net/wireless/celeno/cl8k/utils/string.c @@ -0,0 +1,235 @@ +// SPDX-License-Identifier: MIT +/* Copyright(c) 2019-2021, Celeno Communications Ltd. */ + +#include "utils/string.h" +#include "utils/utils.h" + +int cl_strtobool_vector(char *src, bool *dest, u8 elem_cnt, char *delim) +{ + u8 i = 0; + char *buf = NULL; + char vector[STR_LEN_256B] = {0}; + + if (strlen(src) >= sizeof(vector)) + return -E2BIG; + + strcpy(vector, src); + buf = cl_strtok(vector, delim); + + if (!buf) + return -EIO; + if (kstrtobool(buf, &dest[0]) != 0) + return -EINVAL; + + for (i = 1; i < elem_cnt; i++) { + buf = cl_strtok(NULL, delim); + if (!buf) + break; + if (kstrtobool(buf, &dest[i]) != 0) + return -EINVAL; + } + + if (i < elem_cnt) { + pr_err("src %s doesn't have %u elements\n", src, elem_cnt); + return -1; + } + + return 0; +} + +int cl_strtou8_vector(char *src, u8 *dest, u8 elem_cnt, char *delim) +{ + u8 i = 0; + char *buf = NULL; + char vector[STR_LEN_256B] = {0}; + + if (strlen(src) >= sizeof(vector)) + return -E2BIG; + + strcpy(vector, src); + buf = cl_strtok(vector, delim); + + if (!buf) + return -EIO; + if (kstrtou8(buf, 0, &dest[0]) != 0) + return -EINVAL; + + for (i = 1; i < elem_cnt; i++) { + buf = cl_strtok(NULL, delim); + if (!buf) + break; + if (kstrtou8(buf, 0, &dest[i]) != 0) + return -EINVAL; + } + + if (i < elem_cnt) { + pr_err("src %s doesn't have %u elements\n", src, elem_cnt); + return -1; + } + + return 0; +} + +int cl_strtou8_hex_vector(char *src, u8 *dest, u8 elem_cnt, char *delim) +{ + u8 i = 0; + char *buf = NULL; + char vector[STR_LEN_32B] = {0}; + + if (strlen(src) >= sizeof(vector)) + return -E2BIG; + + strcpy(vector, src); + buf = cl_strtok(vector, delim); + + if (!buf) + return -EIO; + if (kstrtou8(buf, 16, &dest[0]) != 0) + return -EINVAL; + + for (i = 1; i < elem_cnt; i++) { + buf = cl_strtok(NULL, delim); + if (!buf) + break; + if (kstrtou8(buf, 16, &dest[i]) != 0) + return -1; + } + + if (i < elem_cnt) { + pr_err("src %s doesn't have %u elements\n", src, elem_cnt); + return -1; + } + + return 0; +} + +int cl_strtou16_vector(char *src, u16 *dest, u8 elem_cnt, char *delim) +{ + u8 i = 0; + char *buf = NULL; + char vector[STR_LEN_256B] = {0}; + + if (strlen(src) >= sizeof(vector)) + return -E2BIG; + + strcpy(vector, src); + buf = cl_strtok(vector, delim); + + if (!buf) + return -EIO; + if (kstrtou16(buf, 0, &dest[0]) != 0) + return -EINVAL; + + for (i = 1; i < elem_cnt; i++) { + buf = cl_strtok(NULL, delim); + if (!buf) + break; + if (kstrtou16(buf, 0, &dest[i]) != 0) + return -EINVAL; + } + + if (i < elem_cnt) { + pr_err("src %s doesn't have %u elements\n", src, elem_cnt); + return -1; + } + + return 0; +} + +int cl_strtou32_vector(char *src, u32 *dest, u8 elem_cnt, char *delim) +{ + u8 i = 0; + char *buf = NULL; + char vector[STR_LEN_256B] = {0}; + + if (strlen(src) >= sizeof(vector)) + return -E2BIG; + + strcpy(vector, src); + buf = cl_strtok(vector, delim); + + if (!buf) + return -EIO; + if (kstrtou32(buf, 0, &dest[0]) != 0) + return -EINVAL; + + for (i = 1; i < elem_cnt; i++) { + buf = cl_strtok(NULL, delim); + if (!buf) + break; + if (kstrtou32(buf, 0, &dest[i]) != 0) + return -EINVAL; + } + + if (i < elem_cnt) { + pr_err("src %s doesn't have %u elements\n", src, elem_cnt); + return -1; + } + + return 0; +} + +int cl_strtos8_vector(char *src, s8 *dest, u8 elem_cnt, char *delim) +{ + u8 i = 0; + char *buf = NULL; + char vector[STR_LEN_256B] = {0}; + + if (strlen(src) >= sizeof(vector)) + return -E2BIG; + + strcpy(vector, src); + buf = cl_strtok(vector, delim); + + if (!buf) + return -EIO; + if (kstrtos8(buf, 0, &dest[0]) != 0) + return -EINVAL; + + for (i = 1; i < elem_cnt; i++) { + buf = cl_strtok(NULL, delim); + if (!buf) + break; + if (kstrtos8(buf, 0, &dest[i]) != 0) + return -EINVAL; + } + + if (i < elem_cnt) { + pr_err("src %s doesn't have %u elements\n", src, elem_cnt); + return -1; + } + + return 0; +} + +static s8 *_strtok; + +s8 *cl_strtok(s8 *s, const s8 *ct) +{ + return cl_strtok_r(s, ct, &_strtok); +} + +/* cl_strtok_r() is a reentrant version of cl_strtok() */ +s8 *cl_strtok_r(s8 *s, const s8 *ct, s8 **saveptr) +{ + s8 *sbegin, *send; + + sbegin = s ? s : *saveptr; + if (!sbegin) + return NULL; + + sbegin += strspn(sbegin, ct); + if (*sbegin == '\0') { + *saveptr = NULL; + return NULL; + } + + send = strpbrk(sbegin, ct); + if (send && *send != '\0') + *send++ = '\0'; + + *saveptr = send; + + return sbegin; +} +