1 files changed, 29 insertions, 0 deletions
diff --git a/misc/try_helper.h b/misc/try_helper.h
new file mode 100644
index 0000000..bdc7319
--- /dev/null
+++ b/misc/try_helper.h
@@ -0,0 +1,29 @@
+unsigned int s_len(const char * s) {
+  unsigned int len=0;
+  while (s[len]) ++len;
+  return len;
+}
+
+char *fmt_ul(unsigned long u) {
+  static char strnum[48];
+  char *hex = "0123456789abcdef";
+  char *s = strnum+44;
+  *s = 0;
+  do { *--s = hex[(u % 16)]; u /= 16; } while(u); /* handles u==0 */
+  *--s = 'x';
+  *--s = '0';
+  return s;
+}
+
+char *fmt_o(unsigned char c) {
+  static char x[8];
+  x[4] = 0;
+  x[3] = '0' + (c & 7); c >>= 3;
+  x[2] = '0' + (c & 7); c >>= 3;
+  x[1] = '0' + (c & 7);  
+  x[0] = '\\';
+  return x;
+}
+
+void w(char *s) { write(1,s,s_len(s)); }
+void wn(unsigned long u) { w(fmt_ul(u)); }