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authorAlon Zakai <alonzakai@gmail.com>2014-04-07 17:39:39 -0700
committerAlon Zakai <alonzakai@gmail.com>2014-04-07 17:39:39 -0700
commitd93fd8156ba2530d5ff12caaf9b0eaf557f60de5 (patch)
tree1f14dcda503ae7ad02be897b0c458abbf699a92a /system/lib/libc/musl/src/stdlib/atol.c
parentd19741ee04ee2c87af48c22902afdc06c22f4aac (diff)
parenta04fd2a2c6110b5c7f65c1d993a582fb12e505e4 (diff)
Merge pull request #2256 from juj/more_musl1.14.1
More musl.
Diffstat (limited to 'system/lib/libc/musl/src/stdlib/atol.c')
-rw-r--r--system/lib/libc/musl/src/stdlib/atol.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/system/lib/libc/musl/src/stdlib/atol.c b/system/lib/libc/musl/src/stdlib/atol.c
new file mode 100644
index 00000000..140ea3ea
--- /dev/null
+++ b/system/lib/libc/musl/src/stdlib/atol.c
@@ -0,0 +1,17 @@
+#include <stdlib.h>
+#include <ctype.h>
+
+long atol(const char *s)
+{
+ long n=0;
+ int neg=0;
+ while (isspace(*s)) s++;
+ switch (*s) {
+ case '-': neg=1;
+ case '+': s++;
+ }
+ /* Compute n as a negative number to avoid overflow on LONG_MIN */
+ while (isdigit(*s))
+ n = 10*n - (*s++ - '0');
+ return neg ? n : -n;
+}