hostfs: mask bit fields of not support

Signed-off-by: wanggang26 <[email protected]>
gneworld · Sep 22, 2023 · 9e8f220 · 9e8f220
1 parent b53af56
commit 9e8f220
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Showing 3 changed files with 9 additions and 3 deletions.
diff --git a/arch/arm/src/common/arm_hostfs.c b/arch/arm/src/common/arm_hostfs.c
@@ -76,6 +76,8 @@ static ssize_t host_flen(long fd)
 
 static int host_flags_to_mode(int flags)
 {
+  static const int modemasks = O_RDONLY | O_WRONLY | O_TEXT | O_RDWR |
+                               O_CREAT | O_TRUNC | O_APPEND;
   static const int modeflags[] =
   {
     O_RDONLY | O_TEXT,
@@ -96,7 +98,7 @@ static int host_flags_to_mode(int flags)
   int i;
   for (i = 0; modeflags[i] != 0; i++)
     {
-      if (modeflags[i] == flags)
+      if ((modemasks & flags) == modeflags[i])
         {
           return i;
         }

diff --git a/arch/arm64/src/common/arm64_hostfs.c b/arch/arm64/src/common/arm64_hostfs.c
@@ -76,6 +76,8 @@ static ssize_t host_flen(long fd)
 
 static int host_flags_to_mode(int flags)
 {
+  static const int modemasks = O_RDONLY | O_WRONLY | O_TEXT | O_RDWR |
+                               O_CREAT | O_TRUNC | O_APPEND;
   static const int modeflags[] =
   {
     O_RDONLY | O_TEXT,
@@ -96,7 +98,7 @@ static int host_flags_to_mode(int flags)
   int i;
   for (i = 0; modeflags[i] != 0; i++)
     {
-      if (modeflags[i] == flags)
+      if ((modemasks & flags) == modeflags[i])
         {
           return i;
         }

diff --git a/arch/risc-v/src/common/riscv_hostfs.c b/arch/risc-v/src/common/riscv_hostfs.c
@@ -76,6 +76,8 @@ static ssize_t host_flen(long fd)
 
 static int host_flags_to_mode(int flags)
 {
+  static const int modemasks = O_RDONLY | O_WRONLY | O_TEXT | O_RDWR |
+                               O_CREAT | O_TRUNC | O_APPEND;
   static const int modeflags[] =
   {
     O_RDONLY | O_TEXT,
@@ -96,7 +98,7 @@ static int host_flags_to_mode(int flags)
   int i;
   for (i = 0; modeflags[i] != 0; i++)
     {
-      if (modeflags[i] == flags)
+      if ((modemasks & flags) == modeflags[i])
         {
           return i;
         }