Avoid compiler warnings.

ldso/libdl/libdl.c

@@ -358,7 +358,7 @@ void *dlopen(const char *libname, int flag)
 			if (dl_elf_func && *dl_elf_func != NULL) {
 #ifdef __SUPPORT_LD_DEBUG__
 				if(_dl_debug)
-					fprintf(stderr, "running ctors for library %s at '%x'\n", tpnt->libname, dl_elf_func);
+					fprintf(stderr, "running ctors for library %s at '%x'\n", tpnt->libname, (unsigned)dl_elf_func);
 #endif
 				(*dl_elf_func) ();
 			}
@@ -466,7 +466,7 @@ static int do_dlclose(void *vhandle, int need_fini)
 				dl_elf_fini = (int (*)(void)) (tpnt->loadaddr + tpnt->dynamic_info[DT_FINI]);
 #ifdef __SUPPORT_LD_DEBUG__
 				if(_dl_debug)
-					fprintf(stderr, "running dtors for library %s at '%x'\n", tpnt->libname, dl_elf_fini);
+					fprintf(stderr, "running dtors for library %s at '%x'\n", tpnt->libname, (unsigned)dl_elf_fini);
 #endif
 				(*dl_elf_fini) ();
 			}
@@ -555,7 +555,7 @@ char *dlerror(void)
 		return NULL;
 	retval = dl_error_names[_dl_error_number];
 	_dl_error_number = 0;
-	return retval;
+	return (char *)retval;
 }
 
 /*

libc/stdio/_trans2r.c

@@ -41,9 +41,13 @@ int __stdio_trans2r(FILE * __restrict stream)
 #endif
 
 	if (stream->__modeflags & __FLAG_WRITEONLY) {
+#if defined(__UCLIBC_HAS_WCHAR__) || !defined(__UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION__)
 	DO_EBADF:
+#endif
 		__set_errno(EBADF);
+#ifdef __UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION__
 	ERROR:
+#endif
 		__STDIO_STREAM_SET_ERROR(stream);
 		__STDIO_STREAM_VALIDATE(stream);
 		return EOF;

libc/stdio/_trans2w.c

@@ -40,9 +40,13 @@ int __stdio_trans2w(FILE * __restrict stream)
 #endif
 
 	if (stream->__modeflags & __FLAG_READONLY) {
+#if defined(__UCLIBC_HAS_WCHAR__) || !defined(__UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION__)
 	DO_EBADF:
+#endif
 		__set_errno(EBADF);
+#ifdef __UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION__
 	ERROR:
+#endif
 		__STDIO_STREAM_SET_ERROR(stream);
 		__STDIO_STREAM_VALIDATE(stream);
 		return EOF;

libc/stdlib/malloc-standard/free.c

@@ -17,37 +17,6 @@
 #include "malloc.h"
 
 
-/* ------------------------- malloc_trim -------------------------
-  malloc_trim(size_t pad);
-
-  If possible, gives memory back to the system (via negative
-  arguments to sbrk) if there is unused memory at the `high' end of
-  the malloc pool. You can call this after freeing large blocks of
-  memory to potentially reduce the system-level memory requirements
-  of a program. However, it cannot guarantee to reduce memory. Under
-  some allocation patterns, some large free blocks of memory will be
-  locked between two used chunks, so they cannot be given back to
-  the system.
-  
-  The `pad' argument to malloc_trim represents the amount of free
-  trailing space to leave untrimmed. If this argument is zero,
-  only the minimum amount of memory to maintain internal data
-  structures will be left (one page or less). Non-zero arguments
-  can be supplied to maintain enough trailing space to service
-  future expected allocations without having to re-obtain memory
-  from the system.
-  
-  Malloc_trim returns 1 if it actually released any memory, else 0.
-  On systems that do not support "negative sbrks", it will always
-  return 0.
-*/
-int malloc_trim(size_t pad)
-{
-  mstate av = get_malloc_state();
-  __malloc_consolidate(av);
-  return __malloc_trim(pad, av);
-}
-
 /* ------------------------- __malloc_trim -------------------------
    __malloc_trim is an inverse of sorts to __malloc_alloc.  It gives memory
    back to the system (via negative arguments to sbrk) if there is unused
@@ -109,6 +78,37 @@ static int __malloc_trim(size_t pad, mstate av)
     return 0;
 }
 
+/* ------------------------- malloc_trim -------------------------
+  malloc_trim(size_t pad);
+
+  If possible, gives memory back to the system (via negative
+  arguments to sbrk) if there is unused memory at the `high' end of
+  the malloc pool. You can call this after freeing large blocks of
+  memory to potentially reduce the system-level memory requirements
+  of a program. However, it cannot guarantee to reduce memory. Under
+  some allocation patterns, some large free blocks of memory will be
+  locked between two used chunks, so they cannot be given back to
+  the system.
+
+  The `pad' argument to malloc_trim represents the amount of free
+  trailing space to leave untrimmed. If this argument is zero,
+  only the minimum amount of memory to maintain internal data
+  structures will be left (one page or less). Non-zero arguments
+  can be supplied to maintain enough trailing space to service
+  future expected allocations without having to re-obtain memory
+  from the system.
+
+  Malloc_trim returns 1 if it actually released any memory, else 0.
+  On systems that do not support "negative sbrks", it will always
+  return 0.
+*/
+int malloc_trim(size_t pad)
+{
+  mstate av = get_malloc_state();
+  __malloc_consolidate(av);
+  return __malloc_trim(pad, av);
+}
+
 /*
   Initialize a malloc_state struct.
 

libc/stdlib/malloc-standard/mallinfo.c

@@ -88,19 +88,19 @@ void malloc_stats(FILE *file)
     }
 
     mi = mallinfo();
-    fprintf(file, "total bytes allocated             = %10lu\n", (unsigned int)(mi.arena + mi.hblkhd));
-    fprintf(file, "total bytes in use bytes          = %10lu\n", (unsigned int)(mi.uordblks + mi.hblkhd));
-    fprintf(file, "total non-mmapped bytes allocated = %10lu\n", (unsigned int)(mi.arena));
-    fprintf(file, "number of mmapped regions         = %10lu\n", (unsigned int)(mi.hblks));
-    fprintf(file, "total allocated mmap space        = %10lu\n", (unsigned int)(mi.hblkhd));
-    fprintf(file, "total allocated sbrk space        = %10lu\n", (unsigned int)(mi.uordblks));
+    fprintf(file, "total bytes allocated             = %10u\n", (unsigned int)(mi.arena + mi.hblkhd));
+    fprintf(file, "total bytes in use bytes          = %10u\n", (unsigned int)(mi.uordblks + mi.hblkhd));
+    fprintf(file, "total non-mmapped bytes allocated = %10d\n", mi.arena);
+    fprintf(file, "number of mmapped regions         = %10d\n", mi.hblks);
+    fprintf(file, "total allocated mmap space        = %10d\n", mi.hblkhd);
+    fprintf(file, "total allocated sbrk space        = %10d\n", mi.uordblks);
 #if 0
-    fprintf(file, "number of free chunks             = %10lu\n", (unsigned int)(mi.ordblks));
-    fprintf(file, "number of fastbin blocks          = %10lu\n", (unsigned int)(mi.smblks));
-    fprintf(file, "space in freed fastbin blocks     = %10lu\n", (unsigned int)(mi.fsmblks));
+    fprintf(file, "number of free chunks             = %10d\n", mi.ordblks);
+    fprintf(file, "number of fastbin blocks          = %10d\n", mi.smblks);
+    fprintf(file, "space in freed fastbin blocks     = %10d\n", mi.fsmblks);
 #endif
-    fprintf(file, "maximum total allocated space     = %10lu\n", (unsigned int)(mi.usmblks));
-    fprintf(file, "total free space                  = %10lu\n", (unsigned int)(mi.fordblks));
-    fprintf(file, "memory releasable via malloc_trim = %10lu\n", (unsigned int)(mi.keepcost));
+    fprintf(file, "maximum total allocated space     = %10d\n", mi.usmblks);
+    fprintf(file, "total free space                  = %10d\n", mi.fordblks);
+    fprintf(file, "memory releasable via malloc_trim = %10d\n", mi.keepcost);
 }
 

libcrypt/md5.c

@@ -112,10 +112,7 @@ static const unsigned char __md5_itoa64[] =		/* 0 ... 63 => ascii - 64 */
  */
 
 static void
-__md5_Encode (output, input, len)
-	unsigned char *output;
-	u_int32_t *input;
-	unsigned int len;
+__md5_Encode (unsigned char *output, u_int32_t *input, unsigned int len)
 {
 	unsigned int i, j;
 
@@ -133,10 +130,7 @@ __md5_Encode (output, input, len)
  */
 
 static void
-__md5_Decode (output, input, len)
-	u_int32_t *output;
-	const unsigned char *input;
-	unsigned int len;
+__md5_Decode (u_int32_t *output, const unsigned char *input, unsigned int len)
 {
 	unsigned int i, j;