X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Fmacro.h;h=06e16cd4536de2dbc37f940253ad46616acfbd1d;hb=14bf2c9d375db6a4670bc0ef0e521e35a939a498;hp=0d3ff1cda578808ec2cb225ee4d97ce5ba213099;hpb=c51cf05646a11c65daf65c1123c77efb068f4f7b;p=elogind.git

diff --git a/src/shared/macro.h b/src/shared/macro.h
index 0d3ff1cda..06e16cd45 100644
--- a/src/shared/macro.h
+++ b/src/shared/macro.h
@@ -159,6 +159,12 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
         } while (false)
 #endif
 
+#define assert_return(expr, r)                    \
+        do {                                      \
+                if (!(expr))                      \
+                        return (r);               \
+        } while (false)
+
 #define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
 #define INT_TO_PTR(u) ((void *) ((intptr_t) (u)))
 #define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
@@ -186,8 +192,6 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
 
 #define char_array_0(x) x[sizeof(x)-1] = 0;
 
-#define hasprefix(s, prefix) (memcmp(s, prefix, strlen(prefix)) == 0)
-
 #define IOVEC_SET_STRING(i, s)                  \
         do {                                    \
                 struct iovec *_i = &(i);        \