From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 12 Feb 2011 00:22:29 -0500
Subject: initial check-in, version 0.5.0

---
 src/stdlib/atoi.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 src/stdlib/atoi.c

(limited to 'src/stdlib/atoi.c')

diff --git a/src/stdlib/atoi.c b/src/stdlib/atoi.c
new file mode 100644
index 00000000..648b154f
--- /dev/null
+++ b/src/stdlib/atoi.c
@@ -0,0 +1,15 @@
+#include <stdlib.h>
+#include <ctype.h>
+
+int atoi(const char *s)
+{
+	int n=0, neg=0;
+	while (isspace(*s)) s++;
+	switch (*s) {
+	case '-': neg=1;
+	case '+': s++;
+	}
+	while (isdigit(*s))
+		n = 10*n + *s++ - '0';
+	return neg ? -n : n;
+}
-- 
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