3 files changed, 9 insertions, 10 deletions
diff --git a/src/libstddjb/fd_islocked.c b/src/libstddjb/fd_islocked.c
index 8d5ef78..50603c0 100644
--- a/src/libstddjb/fd_islocked.c
+++ b/src/libstddjb/fd_islocked.c
@@ -14,5 +14,5 @@ int fd_islocked (int fd)
     .l_start = 0,
     .l_len = 0
   } ;
-  return fcntl(fd, F_GETLK, &fl) < 0 ? -1 : fl.l_type != F_UNLCK ;
+  return fcntl(fd, F_GETLK, &fl) == -1 ? -1 : fl.l_type != F_UNLCK ;
 }
diff --git a/src/libstddjb/fd_lock.c b/src/libstddjb/fd_lock.c
index e9d1a62..a4ebaa5 100644
--- a/src/libstddjb/fd_lock.c
+++ b/src/libstddjb/fd_lock.c
@@ -19,8 +19,8 @@ int fd_lock (int fd, int w, int nb)
   int e = errno ;
   int r ;
   do r = fcntl(fd, nb ? F_SETLK : F_SETLKW, &fl) ;
-  while (r < 0 && errno == EINTR) ;
-  return r >= 0 ? 1 :
+  while (r == -1 && errno == EINTR) ;
+  return r != -1 ? 1 :
     errno == EACCES || error_isagain(errno) ? (errno = e, 0) :
     -1 ;
 }
diff --git a/src/libstddjb/sysclock_set.c b/src/libstddjb/sysclock_set.c
index 57e2abe..76917af 100644
--- a/src/libstddjb/sysclock_set.c
+++ b/src/libstddjb/sysclock_set.c
@@ -4,13 +4,6 @@
 
 #include <skalibs/sysdeps.h>
 
-#ifndef SKALIBS_HASCLOCKRT
-# ifndef SKALIBS_HASSETTIMEOFDAY
-#  error "neither clockrt nor settimeofday sysdeps are present. How do your set your system clock?"
-# endif
-#endif
-
-
 #ifdef SKALIBS_HASCLOCKRT
 
 #include <time.h>
@@ -27,6 +20,7 @@ int sysclock_set (tain_t const *a)
 }
 
 #else
+#ifdef SKALIBS_HASSETTIMEOFDAY
 
 #include <skalibs/nonposix.h>
 #include <sys/time.h>
@@ -42,4 +36,9 @@ int sysclock_set (tain_t const *a)
   return 1 ;
 }
 
+#else
+
+#error "neither clockrt nor settimeofday sysdeps are present. How do your set your system clock?"
+
+#endif
 #endif