Change SKALIBS_NSIG to SKALIBS_DEFAULT_NSIG and NSIG to SKALIBS_NSIG to accommodate OpenBSD snowflakiness

4 files changed, 18 insertions, 9 deletions

diff --git a/src/include/skalibs/nsig.h b/src/include/skalibs/nsig.h
index 040be2c..3b3fb32 100644
--- a/src/include/skalibs/nsig.h
+++ b/src/include/skalibs/nsig.h
@@ -9,10 +9,19 @@
 
 #include <signal.h>
 
-#define SKALIBS_NSIG 65
+#define SKALIBS_DEFAULT_NSIG 65
 
 #ifndef NSIG
-# define NSIG SKALIBS_NSIG
+# define NSIG SKALIBS_DEFAULT_NSIG
+#endif
+
+
+ /* OpenBSD is a fucking snowflake */
+
+#ifdef __OpenBSD__
+#define SKALIBS_NSIG (NSIG-1)
+#else
+#define SKALIBS_NSIG NSIG
 #endif
 
 #endif
diff --git a/src/libstddjb/selfpipe_finish.c b/src/libstddjb/selfpipe_finish.c
index fd9f6c2..60899eb 100644
--- a/src/libstddjb/selfpipe_finish.c
+++ b/src/libstddjb/selfpipe_finish.c
@@ -31,7 +31,7 @@ void selfpipe_finish (void)
 
 void selfpipe_finish (void)
 {
-  sig_restoreto(&selfpipe_caught, NSIG-1) ;
+  sig_restoreto(&selfpipe_caught, SKALIBS_NSIG-1) ;
   sigemptyset(&selfpipe_caught) ;
   fd_close(selfpipe[1]) ;
   fd_close(selfpipe[0]) ;
diff --git a/src/libstddjb/selfpipe_trapset.c b/src/libstddjb/selfpipe_trapset.c
index 519e37b..ad5ba10 100644
--- a/src/libstddjb/selfpipe_trapset.c
+++ b/src/libstddjb/selfpipe_trapset.c
@@ -40,7 +40,7 @@ int selfpipe_trapset (sigset_t const *set)
 {
   unsigned int i = 1 ;
   if (selfpipe_fd < 0) return (errno = EBADF, -1) ;
-  for (; i < NSIG ; i++)
+  for (; i < SKALIBS_NSIG ; i++)
   {
     int h = sigismember(set, i) ;
     if (h < 0) continue ;
@@ -53,7 +53,7 @@ int selfpipe_trapset (sigset_t const *set)
       if (sig_restore(i) < 0) break ;
     }
   }
-  if (i < NSIG)
+  if (i < SKALIBS_NSIG)
   {
     int e = errno ;
     sig_restoreto(set, i) ;
diff --git a/src/libstddjb/sig_stack.c b/src/libstddjb/sig_stack.c
index f682971..88c78ec 100644
--- a/src/libstddjb/sig_stack.c
+++ b/src/libstddjb/sig_stack.c
@@ -6,12 +6,12 @@
 #include <skalibs/sig.h>
 #include <skalibs/nsig.h>
 
-static struct skasigaction skasigstack[NSIG-1][SIGSTACKSIZE] ;
-static unsigned int sigsp[NSIG-1] ;
+static struct skasigaction skasigstack[SKALIBS_NSIG-1][SIGSTACKSIZE] ;
+static unsigned int sigsp[SKALIBS_NSIG-1] ;
 
 int sig_pusha (int sig, struct skasigaction const *ssa)
 {
-  if ((sig <= 0) || (sig >= NSIG)) return (errno = EINVAL, -1) ;
+  if ((sig <= 0) || (sig >= SKALIBS_NSIG)) return (errno = EINVAL, -1) ;
   if (sigsp[sig-1] >= SIGSTACKSIZE) return (errno = ENOBUFS, -1) ;
   if (skasigaction(sig, ssa, &skasigstack[sig-1][sigsp[sig-1]]) == -1)
       return -1 ;
@@ -20,7 +20,7 @@ int sig_pusha (int sig, struct skasigaction const *ssa)
 
 int sig_pop (int sig)
 {
-  if ((sig <= 0) || (sig >= NSIG)) return (errno = EINVAL, -1) ;
+  if ((sig <= 0) || (sig >= SKALIBS_NSIG)) return (errno = EINVAL, -1) ;
   if (!sigsp[sig-1]) return (errno = EFAULT, -1);
   if (skasigaction(sig, &skasigstack[sig-1][sigsp[sig-1]-1], 0) == -1)
     return -1 ;