# In some platforms, |statfs_buf.f_type| is declared as signed, but some of the
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# values will overflow it, causing narrowing warnings. Cast to the largest
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# possible unsigned integer type to avoid it.
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--- a/base/files/file_util_linux.cc
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+++ b/base/files/file_util_linux.cc
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@@ -6,6 +6,7 @@
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|
#include <errno.h>
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#include <linux/magic.h>
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+#include <stdint.h>
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#include <sys/vfs.h>
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#include "base/files/file_path.h"
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@@ -23,7 +24,10 @@ bool GetFileSystemType(const FilePath& p
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// Not all possible |statfs_buf.f_type| values are in linux/magic.h.
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// Missing values are copied from the statfs man page.
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- switch (statfs_buf.f_type) {
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+ // In some platforms, |statfs_buf.f_type| is declared as signed, but some of
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+ // the values will overflow it, causing narrowing warnings. Cast to the
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+ // largest possible unsigned integer type to avoid it.
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+ switch (static_cast<uintmax_t>(statfs_buf.f_type)) {
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case 0:
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*type = FILE_SYSTEM_0;
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break;
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--- a/base/sys_info_posix.cc
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+++ b/base/sys_info_posix.cc
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@@ -90,7 +90,10 @@ bool IsStatsZeroIfUnlimited(const base::FilePath& path) {
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if (HANDLE_EINTR(statfs(path.value().c_str(), &stats)) != 0)
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return false;
|
|
- switch (stats.f_type) {
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+ // In some platforms, |statfs_buf.f_type| is declared as signed, but some of
|
+ // the values will overflow it, causing narrowing warnings. Cast to the
|
+ // largest possible unsigned integer type to avoid it.
|
+ switch (static_cast<uintmax_t>(stats.f_type)) {
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case TMPFS_MAGIC:
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case HUGETLBFS_MAGIC:
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case RAMFS_MAGIC:
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