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-rw-r--r--gcc/scan.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/scan.c b/gcc/scan.c
index 24dd6632f35..4af6a43a702 100644
--- a/gcc/scan.c
+++ b/gcc/scan.c
@@ -236,3 +236,18 @@ get_token (fp, s)
*s->ptr = 0;
return c;
}
+
+unsigned int
+hashstr (str, len)
+ const char *str;
+ unsigned int len;
+{
+ unsigned int n = len;
+ unsigned int r = 0;
+ const unsigned char *s = (const unsigned char *)str;
+
+ do
+ r = r * 67 + (*s++ - 113);
+ while (--n);
+ return r + len;
+}