54 lines
1.4 KiB
Diff
54 lines
1.4 KiB
Diff
From 2524bb3def3009e53a78e600bbea2c4639dc1e99 Mon Sep 17 00:00:00 2001
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From: Martin Liska <mliska@suse.cz>
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Date: Fri, 24 Apr 2020 15:02:44 +0200
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Subject: [PATCH] Fix type used for read to ssize_t.
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Function declaration:
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ssize_t read(int fd, void *buf, size_t count);
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With size_t the following expression is always true:
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while ((count = read(cpuinfo, buffer, sizeof(buffer))) > 0)
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and bad things happen.
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---
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src/core/cpuinfo.cc | 2 +-
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src/core/osutils.cc | 4 ++--
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2 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/src/core/cpuinfo.cc b/src/core/cpuinfo.cc
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index eceb83a..3dbdd0c 100644
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--- a/src/core/cpuinfo.cc
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+++ b/src/core/cpuinfo.cc
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@@ -589,7 +589,7 @@ bool scan_cpuinfo(hwNode & n)
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if (core)
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{
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char buffer[1024];
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- size_t count;
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+ ssize_t count;
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string cpuinfo_str = "";
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string description = "", version = "";
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string plat = platform();
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diff --git a/src/core/osutils.cc b/src/core/osutils.cc
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index f023a46..a53ed89 100644
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--- a/src/core/osutils.cc
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+++ b/src/core/osutils.cc
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@@ -148,7 +148,7 @@ vector < string > &list)
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{
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char buffer[1024];
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string buffer_str = "";
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- size_t count = 0;
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+ ssize_t count = 0;
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data_file fd = file_open(file);
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if (file_open_error(fd))
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@@ -174,7 +174,7 @@ const string & def)
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if (fd >= 0)
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{
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char buffer[1024];
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- size_t count = 0;
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+ ssize_t count = 0;
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memset(buffer, 0, sizeof(buffer));
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result = "";
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