From 08e8afe93796d6682bbc46cb4acd5fb615b1785c Mon Sep 17 00:00:00 2001
From: Tharre <tharre3@gmail.com>
Date: Tue, 2 Sep 2014 18:07:57 +0200
Subject: Remove random math.h dependency

---
 out/config.sh | 2 +-
 src/redo.c    | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/out/config.sh b/out/config.sh
index a0a846d..75035a7 100644
--- a/out/config.sh
+++ b/out/config.sh
@@ -5,4 +5,4 @@ else
 fi
 CC=${CC-$PREF}
 CFLAGS="-g -Wall -Wextra -std=c99 -pedantic -Wno-gnu-statement-expression"
-LDFLAGS="-lm"
+LDFLAGS=""
diff --git a/src/redo.c b/src/redo.c
index 514c235..cb6ad19 100644
--- a/src/redo.c
+++ b/src/redo.c
@@ -12,7 +12,6 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <time.h>
-#include <math.h>
 #include <limits.h>
 #include <unistd.h>
 
@@ -23,8 +22,8 @@
 
 
 /* Returns the amount of digits a number n has in decimal. */
-static inline int digits(unsigned n) {
-  return (int) log10(n) + 1;
+static inline unsigned digits(unsigned n) {
+    return n ? 1 + digits(n/10) : n;
 }
 
 int main(int argc, char *argv[]) {
-- 
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