Merge pull request #16 from thp/libc-abs-labs

libc: Add abs() and labs() functions

2 files changed, 8 insertions, 0 deletions

diff --git a/libpsn00b/include/stdlib.h b/libpsn00b/include/stdlib.h
index f9f41db..fb20207 100644
--- a/libpsn00b/include/stdlib.h
+++ b/libpsn00b/include/stdlib.h
@@ -49,6 +49,7 @@ int rand();
 void srand(unsigned long seed);
 
 int abs(int j);
+long labs(long i);
 long long strtoll(const char *nptr, char **endptr, int base);
 long strtol(const char *nptr, char **endptr, int base);
 long double strtold(const char *nptr, char **endptr);
diff --git a/libpsn00b/libc/abs.c b/libpsn00b/libc/abs.c
new file mode 100644
index 0000000..a972cad
--- /dev/null
+++ b/libpsn00b/libc/abs.c
@@ -0,0 +1,7 @@
+int abs(int i) {
+	return (i < 0) ? (-i) : i;
+}
+
+long labs(long i) {
+	return (i < 0) ? (-i) : i;
+}