From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f47.google.com (mail-wm0-f47.google.com [74.125.82.47]) by dpdk.org (Postfix) with ESMTP id 1EE9B5582 for ; Tue, 5 Jul 2016 12:45:12 +0200 (CEST) Received: by mail-wm0-f47.google.com with SMTP id z126so70248546wme.0 for ; Tue, 05 Jul 2016 03:45:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id:in-reply-to:references; bh=8PJ5DNpRjWfDQzn2GPFhzfaldlOb831i6Qw+B4GXt9c=; b=OT2GVURcPH904KBrSHWbgTMhVviPjgwaz1NPbVzbe7TwU3DzF/ePoG5A95fh2opyAO DxPzLUn3LEJ6/G4dPGUgXp+C+Z8YifWDXegdUAR8D9Vqxqx9tmRLdtEG9sSd7dmEPU+p M80vNQYdfvyVRv0e47O5JDMtFJ592eSycJHb172261ry6rMzu/x78UR2K4cBExGpuevp Up0pOtbX+xOFmDeH5vkmUDwQ4AwRAypzZvvizBf002mLLAioUvzAcMdkEEEsy2i5qGWZ 0Mnru7r1jLq9xNhQYHKjLZVUkSIbOvw3cKH/lQ1A1oYFKalJTfrgESSfkamyDWtua/G8 A9Fw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=8PJ5DNpRjWfDQzn2GPFhzfaldlOb831i6Qw+B4GXt9c=; b=iHUuYA0sQQmvgqR47l+qlmvrhvByQSZ55+218EGLGRH2zP7rxaPbqyx9OCRLOaI8hY hNRLOWenMSFqH0jtprOzP6+MS2pqCJWJdY3cEgpVAWTwFJV7t9a+B+O9SlzTcuJ19zJF dC/RSadgEgH8UUdrvo8B+yBCDLga77/rytVIxpOATAx//qGofS8ZwbXUg0TZiNaxOzDZ 6E9/fOqJ9J4I8m+WTV8N4Nd0SrXkmPK3ywKcSrXsyswHsBIWEsy7X7r9KgMwztMFigw/ KZnyddB3ZZ8KxhA1Y9cCQqvDX3RY4seCH/h4/J/Gz6TjauZxQ7Owiz0ApUmmh26iPhx0 mClA== X-Gm-Message-State: ALyK8tIBQzEhKxnggXoPuvMTI7vHqwuUmsu5rdj6TQhFyMACMwC62fVqN5wtlRm/TmW6KZMG X-Received: by 10.28.182.68 with SMTP id g65mr16069122wmf.12.1467715511731; Tue, 05 Jul 2016 03:45:11 -0700 (PDT) Received: from 6wind.com (guy78-3-82-239-227-177.fbx.proxad.net. [82.239.227.177]) by smtp.gmail.com with ESMTPSA id q63sm3370663wma.0.2016.07.05.03.45.10 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Tue, 05 Jul 2016 03:45:10 -0700 (PDT) From: Adrien Mazarguil To: dev@dpdk.org Date: Tue, 5 Jul 2016 12:44:49 +0200 Message-Id: <751574da562ca90b5b931dce3fc0ed7171205eae.1467715254.git.adrien.mazarguil@6wind.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: References: <1459865290-10248-1-git-send-email-adrien.mazarguil@6wind.com> Subject: [dpdk-dev] [PATCH v2 03/11] lib: use C99 syntax for zero-size arrays X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jul 2016 10:45:12 -0000 Exported header files used by applications should allow the strictest compiler flags. Language extensions used in many places must be explicitly marked or removed to avoid warnings and compilation failures. The extension keyword is used whenever the C99 syntax cannot do it. This commit prevents the following errors: error: ISO C forbids zero-size array `[...]' Signed-off-by: Adrien Mazarguil --- lib/librte_acl/rte_acl.h | 2 +- lib/librte_cryptodev/rte_cryptodev.h | 2 +- lib/librte_cryptodev/rte_cryptodev_pmd.h | 2 +- lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h | 2 +- lib/librte_hash/rte_fbk_hash.h | 2 +- lib/librte_ip_frag/rte_ip_frag.h | 2 +- lib/librte_lpm/rte_lpm.h | 2 +- lib/librte_mbuf/rte_mbuf.h | 3 +++ lib/librte_pipeline/rte_pipeline.h | 2 +- lib/librte_ring/rte_ring.h | 2 +- lib/librte_sched/rte_bitmap.h | 2 +- 11 files changed, 13 insertions(+), 10 deletions(-) diff --git a/lib/librte_acl/rte_acl.h b/lib/librte_acl/rte_acl.h index 0979a09..c059dc3 100644 --- a/lib/librte_acl/rte_acl.h +++ b/lib/librte_acl/rte_acl.h @@ -144,7 +144,7 @@ struct rte_acl_rule_data { struct rte_acl_field field[fld_num]; \ } -RTE_ACL_RULE_DEF(rte_acl_rule, 0); +RTE_ACL_RULE_DEF(rte_acl_rule,); #define RTE_ACL_RULE_SZ(fld_num) \ (sizeof(struct rte_acl_rule) + sizeof(struct rte_acl_field) * (fld_num)) diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h index 7768f0a..0123c24 100644 --- a/lib/librte_cryptodev/rte_cryptodev.h +++ b/lib/librte_cryptodev/rte_cryptodev.h @@ -759,7 +759,7 @@ struct rte_cryptodev_sym_session { } __rte_aligned(8); /**< Public symmetric session details */ - char _private[0]; + char _private[]; /**< Private session material */ }; diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h index 7d049ea..3a3845c 100644 --- a/lib/librte_cryptodev/rte_cryptodev_pmd.h +++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h @@ -71,7 +71,7 @@ struct rte_cryptodev_session { struct rte_mempool *mp; } __rte_aligned(8); - char _private[0]; + char _private[]; }; struct rte_cryptodev_driver; diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h index 2acdfd9..7f458a3 100644 --- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h +++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h @@ -102,7 +102,7 @@ struct rte_kni_fifo { volatile unsigned read; /**< Next position to be read */ unsigned len; /**< Circular buffer length */ unsigned elem_size; /**< Pointer size - for 32/64 bit OS */ - void * volatile buffer[0]; /**< The buffer contains mbuf pointers */ + void *volatile buffer[]; /**< The buffer contains mbuf pointers */ }; /* diff --git a/lib/librte_hash/rte_fbk_hash.h b/lib/librte_hash/rte_fbk_hash.h index a430961..bd46048 100644 --- a/lib/librte_hash/rte_fbk_hash.h +++ b/lib/librte_hash/rte_fbk_hash.h @@ -115,7 +115,7 @@ struct rte_fbk_hash_table { uint32_t init_val; /**< For initialising hash function. */ /** A flat table of all buckets. */ - union rte_fbk_hash_entry t[0]; + union rte_fbk_hash_entry t[]; }; /** diff --git a/lib/librte_ip_frag/rte_ip_frag.h b/lib/librte_ip_frag/rte_ip_frag.h index 92cedf2..4c3faad 100644 --- a/lib/librte_ip_frag/rte_ip_frag.h +++ b/lib/librte_ip_frag/rte_ip_frag.h @@ -124,7 +124,7 @@ struct rte_ip_frag_tbl { struct ip_frag_pkt *last; /**< last used entry. */ struct ip_pkt_list lru; /**< LRU list for table entries. */ struct ip_frag_tbl_stat stat; /**< statistics counters. */ - struct ip_frag_pkt pkt[0]; /**< hash table. */ + struct ip_frag_pkt pkt[]; /**< hash table. */ }; /** IPv6 fragment extension header */ diff --git a/lib/librte_lpm/rte_lpm.h b/lib/librte_lpm/rte_lpm.h index 2df1d67..79a4593 100644 --- a/lib/librte_lpm/rte_lpm.h +++ b/lib/librte_lpm/rte_lpm.h @@ -193,7 +193,7 @@ struct rte_lpm_v20 { __rte_cache_aligned; /**< LPM tbl24 table. */ struct rte_lpm_tbl_entry_v20 tbl8[RTE_LPM_TBL8_NUM_ENTRIES] __rte_cache_aligned; /**< LPM tbl8 table. */ - struct rte_lpm_rule_v20 rules_tbl[0] \ + struct rte_lpm_rule_v20 rules_tbl[] __rte_cache_aligned; /**< LPM rules. */ }; diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 101485f..434ec31 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -756,8 +756,11 @@ const char *rte_get_tx_ol_flag_name(uint64_t mask); /* define a set of marker types that can be used to refer to set points in the * mbuf */ +__extension__ typedef void *MARKER[0]; /**< generic marker for a point in a structure */ +__extension__ typedef uint8_t MARKER8[0]; /**< generic marker with 1B alignment */ +__extension__ typedef uint64_t MARKER64[0]; /**< marker that allows us to overwrite 8 bytes * with a single assignment */ diff --git a/lib/librte_pipeline/rte_pipeline.h b/lib/librte_pipeline/rte_pipeline.h index 84d1802..7736945 100644 --- a/lib/librte_pipeline/rte_pipeline.h +++ b/lib/librte_pipeline/rte_pipeline.h @@ -252,7 +252,7 @@ struct rte_pipeline_table_entry { uint32_t table_id; }; /** Start of table entry area for user defined actions and meta-data */ - uint8_t action_data[0]; + uint8_t action_data[]; }; /** diff --git a/lib/librte_ring/rte_ring.h b/lib/librte_ring/rte_ring.h index eb45e41..12874f7 100644 --- a/lib/librte_ring/rte_ring.h +++ b/lib/librte_ring/rte_ring.h @@ -179,7 +179,7 @@ struct rte_ring { struct rte_ring_debug_stats stats[RTE_MAX_LCORE]; #endif - void * ring[0] __rte_cache_aligned; /**< Memory space of ring starts here. + void *ring[] __rte_cache_aligned; /**< Memory space of ring starts here. * not volatile so need to be careful * about compiler re-ordering */ }; diff --git a/lib/librte_sched/rte_bitmap.h b/lib/librte_sched/rte_bitmap.h index ff675c5..1b5df02 100644 --- a/lib/librte_sched/rte_bitmap.h +++ b/lib/librte_sched/rte_bitmap.h @@ -103,7 +103,7 @@ struct rte_bitmap { uint32_t go2; /**< Bitmap scan: Go/stop condition for current array2 cache line */ /* Storage space for array1 and array2 */ - uint8_t memory[0]; + uint8_t memory[]; }; static inline void -- 2.1.4