Merge branch 'lukas/erts/static_nifs/OTP-11258'

* lukas/erts/static_nifs/OTP-11258:
  erts: Document --enable-static-nif/driver
  erts: Add support for static linked-in drivers
  erts: Add option to include nifs statically

1 files changed, 21 insertions, 0 deletions

diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index c71f8f0712..6293286c75 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -4019,6 +4019,27 @@ erts_smp_ensure_later_interval_acqb(erts_interval_t *icp, Uint64 ic)
 #endif
 }
 
+const char *erts_basename(const char* path, char* buff) {
+  /* This function is not compliant with bash basename. Edge cases like "//"
+     and "/path//" do not work properly.
+   */
+  int i;
+  int len = strlen(path);
+  const char *basename = path;
+  for (i = 0; path[i] != '\0'; i++) {
+    if (path[i] == '/') {
+      if (path[i+1] == '\0') {
+	    memcpy(buff,basename,len - (basename-path));
+	    buff[len - (basename-path)-1] = '\0';
+	    basename = buff;
+	    break;
+      } else { basename = path+i;}
+    }
+  }
+  if (basename == path)
+    return path;
+  return basename+1;
+}
 
 /*
  * A millisecond timestamp without time correction where there's no hrtime