Properly check for overflow in offsets

[elogind.git] / src / shared / missing.h

diff --git a/src/shared/missing.h b/src/shared/missing.h
index 1a31066032e7de740ab21116fbf3b8dbae86b7d9..96e6d63101cb0161622b604d3fc53c466e17163d 100644 (file)
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -138,7 +138,8 @@ static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags)
 #ifndef HAVE_FANOTIFY_MARK
 static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
                                 int dfd, const char *pathname) {
-#if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__
+#if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \
+       || defined __arm__ && !defined __aarch64__
         union {
                 uint64_t _64;
                 uint32_t _32[2];
@@ -196,6 +197,14 @@ static inline pid_t gettid(void) {
 #define MS_STRICTATIME (1<<24)
 #endif
 
+#ifndef MS_REC
+#define MS_REC 16384
+#endif
+
+#ifndef MS_SHARED
+#define MS_SHARED (1<<20)
+#endif
+
 #ifndef PR_SET_NO_NEW_PRIVS
 #define PR_SET_NO_NEW_PRIVS 38
 #endif
@@ -208,14 +217,26 @@ static inline pid_t gettid(void) {
 #define MAX_HANDLE_SZ 128
 #endif
 
-#ifdef __x86_64__
+#if defined __x86_64__
 #  ifndef __NR_name_to_handle_at
 #    define __NR_name_to_handle_at 303
 #  endif
-#else
+#elif defined __i386__
 #  ifndef __NR_name_to_handle_at
 #    define __NR_name_to_handle_at 341
 #  endif
+#elif defined __arm__
+#  ifndef __NR_name_to_handle_at
+#    define __NR_name_to_handle_at 370
+#  endif
+#elif defined __powerpc__
+#  ifndef __NR_name_to_handle_at
+#    define __NR_name_to_handle_at 345
+#  endif
+#else
+#  ifndef __NR_name_to_handle_at
+#    error __NR_name_to_handle_at is not defined
+#  endif
 #endif
 
 #if !HAVE_DECL_NAME_TO_HANDLE_AT
@@ -237,3 +258,11 @@ static inline int name_to_handle_at(int fd, const char *name, struct file_handle
 #    error neither secure_getenv nor __secure_getenv are available
 #  endif
 #endif
+
+#ifndef CIFS_MAGIC_NUMBER
+#define CIFS_MAGIC_NUMBER 0xFF534D42
+#endif
+
+#ifndef TFD_TIMER_CANCEL_ON_SET
+#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
+#endif