From: Andy Green <andy@warmcat.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 06/24] /lib/librte_eal: stage cast from uint64 to long
Date: Fri, 11 May 2018 09:59:24 +0800 [thread overview]
Message-ID: <152600396465.54839.2240517918493888522.stgit@localhost.localdomain> (raw)
In-Reply-To: <152600382101.54839.18392182958431211001.stgit@localhost.localdomain>
/projects/lagopus/src/dpdk/build/include/rte_random.h:
In function 'rte_srand':
/projects/lagopus/src/dpdk/build/include/rte_random.h:34:10:
warning: conversion to 'long int' from 'long unsigned int'
may change the sign of the result [-Wsign-conversion]
srand48((long unsigned int)seedval);
/projects/lagopus/src/dpdk/build/include/rte_random.h:51:8:
warning: conversion to 'uint64_t' {aka 'long unsigned int'}
from 'long int' may change the sign of the result
[-Wsign-conversion]
val = lrand48();
^~~~~~~
/projects/lagopus/src/dpdk/build/include/rte_random.h:53:6:
warning: conversion to 'long unsigned int' from 'long int'
may change the sign of the result [-Wsign-conversion]
val += lrand48();
Signed-off-by: Andy Green <andy@warmcat.com>
---
lib/librte_eal/common/include/rte_random.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/librte_eal/common/include/rte_random.h b/lib/librte_eal/common/include/rte_random.h
index 63bb28088..96c64fdd2 100644
--- a/lib/librte_eal/common/include/rte_random.h
+++ b/lib/librte_eal/common/include/rte_random.h
@@ -31,7 +31,7 @@ extern "C" {
static inline void
rte_srand(uint64_t seedval)
{
- srand48((long unsigned int)seedval);
+ srand48((long)(unsigned long)seedval);
}
/**
@@ -48,9 +48,9 @@ static inline uint64_t
rte_rand(void)
{
uint64_t val;
- val = lrand48();
+ val = (unsigned long)lrand48();
val <<= 32;
- val += lrand48();
+ val += (unsigned long)lrand48();
return val;
}
next prev parent reply other threads:[~2018-05-11 1:59 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-11 1:58 [dpdk-dev] [PATCH v2 00/24] Fixes for GCC8 against lagopus Andy Green
2018-05-11 1:58 ` [dpdk-dev] [PATCH v2 01/24] lib/librte_eal: import libbsd strlcpy Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 02/24] lib/librte_ethdev: change eth-dev-ops API to return int Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 03/24] rte_common.h: cast gcc builtin result to avoid complaints Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 04/24] lib/librte_eal: explicit tmp cast Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 05/24] lib/librte_eal: explicit cast for signed change Andy Green
2018-05-11 1:59 ` Andy Green [this message]
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 07/24] rte_spinlock.h: stack declarations before code Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 08/24] rte_ring_generic.h: " Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 09/24] rte_ring.h: remove signed type flipflopping Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 10/24] rte_dev.h: stack declaration at top of own basic block Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 11/24] rte_mbuf.h: avoid warnings from inadvertant promotion Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 12/24] rte_mbuf.h: explicit casts for int16 to uint16 Andy Green
2018-05-11 1:59 ` [dpdk-dev] [PATCH v2 13/24] rte_mbuf.h: make sure RTE-MIN compares same types Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 14/24] rte_mbuf.h: explicit cast restricting ptrdiff to uint16 Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 15/24] rte_mbuf.h: explicit cast for size type to uint32 Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 16/24] rte_mbuf.h: explicit casts to uint16 to avoid warnings Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 17/24] rte_byteorder.h: explicit cast for return promotion Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 18/24] rte_ether.h: explicit cast avoiding truncation warning Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 19/24] rte_ether.h: stack vars declared at top of function Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 20/24] rte_ethdev.h: align sign and scope of temp var Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 21/24] rte_ethdev.h: explicit cast for truncation Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 22/24] rte_hash_crc.h: stack vars declared at top of function Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 23/24] rte_hash_crc.h: explicit casts for truncation Andy Green
2018-05-11 2:00 ` [dpdk-dev] [PATCH v2 24/24] test_table_pipeline: repair munged indirection level Andy Green
2018-05-11 3:04 ` [dpdk-dev] [PATCH v2 00/24] Fixes for GCC8 against lagopus Stephen Hemminger
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