fixes

1 files changed, 38 insertions, 0 deletions

diff --git a/util.h b/util.h
new file mode 100644
index 00000000..f021e437
--- /dev/null
+++ b/util.h
@@ -0,0 +1,38 @@
+#ifndef _UTIL_H
+#define _UTIL_H
+
+inline char * skip_ws(char * ptr) {
+  while (*ptr == ' ' || *ptr == '\t' || *ptr == '\n')
+    ptr++;
+  return ptr;
+}
+
+inline char peek_next_nonws(std::istream& in) {
+  char c = in.peek();
+  while (! in.eof() && std::isspace(c)) {
+    in.get(c);
+    c = in.peek();
+  }
+  return c;
+}
+
+#define READ_INTO(str, targ, size, var, cond) {	\
+  char * _p = targ;				\
+  var = str.peek();				\
+  while (! str.eof() && (cond)) {		\
+    str.get(var);				\
+    if (str.eof())				\
+      break;					\
+    if (var == '\\') {				\
+      str.get(var);				\
+      if (in.eof())				\
+	break;					\
+    }						\
+    *_p++ = var;				\
+    var = str.peek();				\
+  }						\
+  assert(_p < targ + ((size) - 1));		\
+  *_p = '\0';					\
+}
+
+#endif // _UTIL_H