1 files changed, 27 insertions, 0 deletions

diff --git a/apps/plugins/lua/strtol.c b/apps/plugins/lua/strtol.c
new file mode 100644
index 0000000000..184951b844
--- /dev/null
+++ b/apps/plugins/lua/strtol.c
@@ -0,0 +1,27 @@
+#include "rocklibc.h"
+
+extern unsigned long int strtoul(const char *ptr, char **endptr, int base);
+
+#define ABS_LONG_MIN 2147483648UL
+long int strtol(const char *nptr, char **endptr, int base)
+{
+  int neg=0;
+  unsigned long int v;
+  const char*orig=nptr;
+
+  while(isspace(*nptr)) nptr++;
+
+  if (*nptr == '-' && isalnum(nptr[1])) { neg=-1; ++nptr; }
+  v=strtoul(nptr,endptr,base);
+  if (endptr && *endptr==nptr) *endptr=(char *)orig;
+  if (v>=ABS_LONG_MIN) {
+    if (v==ABS_LONG_MIN && neg) {
+      errno=0;
+      return v;
+    }
+    errno=ERANGE;
+    return (neg?LONG_MIN:LONG_MAX);
+  }
+  return (neg?-v:v);
+}
+