1 files changed, 16 insertions, 0 deletions
diff --git a/src/sysdeps/tryemptyregex.c b/src/sysdeps/tryemptyregex.c
new file mode 100644
index 0000000..a2243f7
--- /dev/null
+++ b/src/sysdeps/tryemptyregex.c
@@ -0,0 +1,16 @@
+/* ISC license. */
+
+#include <regex.h>
+
+int main (void)
+{
+  regex_t re ;
+  int r = regcomp(&re, "", REG_EXTENDED | REG_NOSUB) ;
+  switch (r)
+  {
+    case 0 : break ;
+    case REG_ESPACE : return 111 ;
+    default : return 1 ;
+  }
+  return !!regexec(&re, "a", 0, 0, 0) ;
+}