1 files changed, 8 insertions, 7 deletions
diff --git a/src/common/compat.c b/src/common/compat.c
index b2dab5c34..4cc8d9979 100644
--- a/src/common/compat.c
+++ b/src/common/compat.c
@@ -126,6 +126,7 @@ tor_mmap_file(const char *filename)
     return NULL;
   }
 
+  /* XXXX why not just do fstat here? */
   size = filesize = (size_t) lseek(fd, 0, SEEK_END);
   lseek(fd, 0, SEEK_SET);
   /* ensure page alignment */
@@ -294,7 +295,7 @@ tor_vsnprintf(char *str, size_t size, const char *format, va_list args)
   int r;
   if (size == 0)
     return -1; /* no place for the NUL */
-  if (size > SSIZE_T_MAX-16)
+  if (size > SIZE_T_CEILING)
     return -1;
 #ifdef MS_WINDOWS
   r = _vsnprintf(str, size, format, args);
@@ -430,7 +431,7 @@ tor_fix_source_file(const char *fname)
  * unaligned memory access.
  */
 uint16_t
-get_uint16(const char *cp)
+get_uint16(const void *cp)
 {
   uint16_t v;
   memcpy(&v,cp,2);
@@ -442,7 +443,7 @@ get_uint16(const char *cp)
  * unaligned memory access.
  */
 uint32_t
-get_uint32(const char *cp)
+get_uint32(const void *cp)
 {
   uint32_t v;
   memcpy(&v,cp,4);
@@ -454,7 +455,7 @@ get_uint32(const char *cp)
  * unaligned memory access.
  */
 uint64_t
-get_uint64(const char *cp)
+get_uint64(const void *cp)
 {
   uint64_t v;
   memcpy(&v,cp,8);
@@ -466,7 +467,7 @@ get_uint64(const char *cp)
  * *(uint16_t*)(cp) = v, but will not cause segfaults on platforms that forbid
  * unaligned memory access. */
 void
-set_uint16(char *cp, uint16_t v)
+set_uint16(void *cp, uint16_t v)
 {
   memcpy(cp,&v,2);
 }
@@ -475,7 +476,7 @@ set_uint16(char *cp, uint16_t v)
  * *(uint32_t*)(cp) = v, but will not cause segfaults on platforms that forbid
  * unaligned memory access. */
 void
-set_uint32(char *cp, uint32_t v)
+set_uint32(void *cp, uint32_t v)
 {
   memcpy(cp,&v,4);
 }
@@ -484,7 +485,7 @@ set_uint32(char *cp, uint32_t v)
  * *(uint64_t*)(cp) = v, but will not cause segfaults on platforms that forbid
  * unaligned memory access. */
 void
-set_uint64(char *cp, uint64_t v)
+set_uint64(void *cp, uint64_t v)
 {
   memcpy(cp,&v,8);
 }