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-rw-r--r--vcs-svn/sliding_window.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/vcs-svn/sliding_window.c b/vcs-svn/sliding_window.c
index 1bac7a4c7..c6c2effd3 100644
--- a/vcs-svn/sliding_window.c
+++ b/vcs-svn/sliding_window.c
@@ -31,15 +31,15 @@ static int read_to_fill_or_whine(struct line_buffer *file,
return 0;
}
-static int check_overflow(off_t a, size_t b)
+static int check_offset_overflow(off_t offset, size_t len)
{
- if (b > maximum_signed_value_of_type(off_t))
+ if (len > maximum_signed_value_of_type(off_t))
return error("unrepresentable length in delta: "
- "%"PRIuMAX" > OFF_MAX", (uintmax_t) b);
- if (signed_add_overflows(a, (off_t) b))
+ "%"PRIuMAX" > OFF_MAX", (uintmax_t) len);
+ if (signed_add_overflows(offset, (off_t) len))
return error("unrepresentable offset in delta: "
"%"PRIuMAX" + %"PRIuMAX" > OFF_MAX",
- (uintmax_t) a, (uintmax_t) b);
+ (uintmax_t) offset, (uintmax_t) len);
return 0;
}
@@ -48,9 +48,9 @@ int move_window(struct sliding_view *view, off_t off, size_t width)
off_t file_offset;
assert(view);
assert(view->width <= view->buf.len);
- assert(!check_overflow(view->off, view->buf.len));
+ assert(!check_offset_overflow(view->off, view->buf.len));
- if (check_overflow(off, width))
+ if (check_offset_overflow(off, width))
return -1;
if (off < view->off || off + width < view->off + view->width)
return error("invalid delta: window slides left");