Get rid of some compiler warnings. Addresses #1185.

git-svn-id: file:///svn/tokudb.1131b+1080a+1185@6370 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/Makefile

@@ -42,6 +42,7 @@ ifneq ($(CC),icc)
 CFLAGS += -Werror -Wextra -Wcast-align -Wbad-function-cast -Wmissing-noreturn -g3 -ggdb3
 else
 CFLAGS += -g
+CFLAGS += -diag-disable 177     # Don't complain about static variables that are not used
 endif
 LDFLAGS = $(OPTFLAGS) -g $(GCOV_FLAGS) $(PROF_FLAGS) -lz -lpthread
 CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_XOPEN_SOURCE=500

newbrt/brt-serialize.c

@@ -38,7 +38,6 @@ static inline u_int64_t alignup (u_int64_t a, u_int64_t b) {
 }
 
 static void maybe_preallocate_in_file (int fd, u_int64_t size) {
-    return;
     struct stat sbuf;
     {
 	int r = fstat(fd, &sbuf);

newbrt/leafentry.h

@@ -50,7 +50,7 @@ enum le_state { LE_COMMITTED=1, // A committed pair.
 u_int32_t leafentry_memsize (LEAFENTRY);
 
 static inline enum le_state get_le_state(LEAFENTRY le) {
-    return *(unsigned char *)le;
+    return (enum le_state)*(unsigned char *)le;
 }
 
 static inline void putint (unsigned char *p, u_int32_t i) {
@@ -75,7 +75,9 @@ static inline u_int32_t getint (unsigned char *p) {
 #endif
 }
 static inline u_int64_t getint64 (unsigned char *p) {
-    return (((u_int64_t)getint(p))<<32) + getint(p+4);
+    u_int64_t H = getint(p);
+    u_int64_t L = getint(p+4);
+    return (H<<32) + L;
 }
 
 #define LESWITCHCALL(le,funname, ...) ({	                                                                     \

newbrt/wbuf.h

@@ -30,7 +30,7 @@ static inline void wbuf_init (struct wbuf *w, void *buf, DISKOFF size) {
 }
 
 /* Write a character. */
-static inline void wbuf_char (struct wbuf *w, unsigned int ch) {
+static inline void wbuf_char (struct wbuf *w, unsigned char ch) {
     assert(w->ndone<w->size);
     w->buf[w->ndone++]=ch;
     x1764_add(&w->checksum, &w->buf[w->ndone-1], 1);