From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4130EC433E0 for ; Fri, 5 Feb 2021 18:11:00 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DA25664E4A for ; Fri, 5 Feb 2021 18:10:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DA25664E4A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 84C532E142; Fri, 5 Feb 2021 18:10:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8T1DEnPzFLjr; Fri, 5 Feb 2021 18:10:53 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 4F4722E135; Fri, 5 Feb 2021 18:10:52 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 23507C0174; Fri, 5 Feb 2021 18:10:52 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 8861DC013A for ; Fri, 5 Feb 2021 18:10:51 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 77ACB87387 for ; Fri, 5 Feb 2021 18:10:51 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GdI3X19R4OF9 for ; Fri, 5 Feb 2021 18:10:50 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from hqnvemgate25.nvidia.com (hqnvemgate25.nvidia.com [216.228.121.64]) by hemlock.osuosl.org (Postfix) with ESMTPS id CA3A58738D for ; Fri, 5 Feb 2021 18:10:50 +0000 (UTC) Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Fri, 05 Feb 2021 10:10:50 -0800 Received: from sw-mtx-036.mtx.labs.mlnx (172.20.145.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 5 Feb 2021 18:10:49 +0000 From: Parav Pandit To: , , , , , Subject: [PATCH iproute2-next v4 2/5] utils: Add helper routines for indent handling Date: Fri, 5 Feb 2021 20:10:26 +0200 Message-ID: <20210205181029.365461-3-parav@nvidia.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210205181029.365461-1-parav@nvidia.com> References: <20210122112654.9593-3-parav@nvidia.com> <20210205181029.365461-1-parav@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1612548650; bh=HDT133gXudxB52omx1TuwZ9j1XEiBgbv7aS9W5cuFWc=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:Content-Type: X-Originating-IP:X-ClientProxiedBy; b=A37NgJPM6J5lnl9+8X715PpXm084B2FM9VGHuA2AzSFM3+4wRBcIPpsfsvaq9qSvd kFc+3zVtrCrjpVOdn0+H4y0862xzlPGQkJ5zQ69/duQYnocWjgmf7ZT5vPBYOx77Tz Vo4esNDQ6DnpPIMyYAnMMhxexYCK1j61rlmpVZAGkfVXKHQ0GvjA963+s0pzLDzyOu DRh+m9nKsfbCXeYvtWt0JUFs/tH/G6ihhkusfN1x8bQUqKaAezLBMVnC+856wsvpQP Wrs2b1Q9Tdlk+HttRX0mowTF60oSjme/OqgyEGNToystHXo5NPRsEsOhUauwW71018 UR2g8pBJ4iUrg== X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Subsequent patch needs to use 2 char indentation for nested objects. Hence introduce a generic helpers to allocate, deallocate, increment, decrement and to print indent block. Signed-off-by: Parav Pandit --- changelog: v2->v3: - patch split from vdpa tool patch --- include/utils.h | 16 ++++++++++++ lib/utils.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+) diff --git a/include/utils.h b/include/utils.h index e66090ae..9b76c92a 100644 --- a/include/utils.h +++ b/include/utils.h @@ -349,4 +349,20 @@ int str_map_lookup_str(const struct str_num_map *map, const char *needle); const char *str_map_lookup_u16(const struct str_num_map *map, uint16_t val); const char *str_map_lookup_u8(const struct str_num_map *map, uint8_t val); +unsigned int get_str_char_count(const char *str, int match); +int str_split_by_char(char *str, char **before, char **after, int match); + +#define INDENT_STR_MAXLEN 32 + +struct indent_mem { + int indent_level; + char indent_str[INDENT_STR_MAXLEN + 1]; +}; + +struct indent_mem *alloc_indent_mem(void); +void free_indent_mem(struct indent_mem *mem); +void inc_indent(struct indent_mem *mem); +void dec_indent(struct indent_mem *mem); +void print_indent(struct indent_mem *mem); + #endif /* __UTILS_H__ */ diff --git a/lib/utils.c b/lib/utils.c index af1b553c..cc6d0e34 100644 --- a/lib/utils.c +++ b/lib/utils.c @@ -1978,3 +1978,69 @@ const char *str_map_lookup_u8(const struct str_num_map *map, uint8_t val) } return NULL; } + +unsigned int get_str_char_count(const char *str, int match) +{ + unsigned int count = 0; + const char *pos = str; + + while ((pos = strchr(pos, match))) { + count++; + pos++; + } + return count; +} + +int str_split_by_char(char *str, char **before, char **after, int match) +{ + char *slash; + + slash = strrchr(str, match); + if (!slash) + return -EINVAL; + *slash = '\0'; + *before = str; + *after = slash + 1; + return 0; +} + +struct indent_mem *alloc_indent_mem(void) +{ + struct indent_mem *mem = malloc(sizeof(*mem)); + + if (!mem) + return NULL; + strcpy(mem->indent_str, ""); + mem->indent_level = 0; + return mem; +} + +void free_indent_mem(struct indent_mem *mem) +{ + free(mem); +} + +#define INDENT_STR_STEP 2 + +void inc_indent(struct indent_mem *mem) +{ + if (mem->indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN) + return; + mem->indent_level += INDENT_STR_STEP; + memset(mem->indent_str, ' ', sizeof(mem->indent_str)); + mem->indent_str[mem->indent_level] = '\0'; +} + +void dec_indent(struct indent_mem *mem) +{ + if (mem->indent_level - INDENT_STR_STEP < 0) + return; + mem->indent_level -= INDENT_STR_STEP; + mem->indent_str[mem->indent_level] = '\0'; +} + +void print_indent(struct indent_mem *mem) +{ + if (mem->indent_level) + printf("%s", mem->indent_str); +} -- 2.26.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization