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common/gl: remove unused variable

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clang static analyzer warned that 'len' was computed but never
used in glc_vertex2d. glc_stroke_line_dash has side effects so
we have to call it, but we don't need to save its return value
since it's not used.
This commit is contained in:
Christophe Fergeau 2011-03-22 17:22:08 +01:00 committed by Hans de Goede
parent 6ee99d330f
commit a33cb671c7
1 changed files with 2 additions and 3 deletions
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glc.c
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@ -1147,10 +1147,9 @@ static double glc_stroke_line_dash(double x1, double y1, double x2, double y2,
static void glc_vertex2d(InternaCtx *ctx, double x, double y)
{
double len;
if (ctx->path_stroke.state == GLC_STROKE_ACTIVE) {
len = glc_stroke_line_dash(ctx->path_stroke.x, ctx->path_stroke.y, x, y,
ctx->line_width, &ctx->line_dash);
glc_stroke_line_dash(ctx->path_stroke.x, ctx->path_stroke.y, x, y,
ctx->line_width, &ctx->line_dash);
ctx->path_stroke.x = x;
ctx->path_stroke.y = y;
} else if (ctx->path_stroke.state == GLC_STROKE_FIRST) {