From 4bd46fb079fb5a32ee6eb2b297de273b261a9c71 Mon Sep 17 00:00:00 2001
From: Connor E <38229097+c-edw@users.noreply.github.com>
Date: Sat, 17 Nov 2018 16:11:28 +0000
Subject: Implement strip_workspace_name.

---
 common/util.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'common')

diff --git a/common/util.c b/common/util.c
index f4588b57..abaca17f 100644
--- a/common/util.c
+++ b/common/util.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE 200809L
 #include <assert.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -23,7 +23,8 @@ int numlen(int n) {
 	if (n == 0) {
 		return 1;
 	}
-	return log10(n) + 1;
+	// Account for the '-' in negative numbers.
+	return log10(abs(n)) + (n > 0 ? 1 : 2);
 }
 
 static struct modifier_key {
-- 
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