* Fixed the second part of the previous buffer overflow. No comment.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2783 92316355-f0b4-4df1-b90c-862c8a59935f

examples/line.c

@@ -11,7 +11,7 @@ int main(int argc, char *argv[])
 {
     char *srcname = NULL, *dstname = NULL;
     pipi_image_t *img, *newimg;
-    int count = 1000;
+    int count = 10000;
     int ret = 0;
     if(argc < 2)
     {

pipi/paint/aline_template.h

@@ -45,7 +45,7 @@ if (fabsf(xd) > fabsf(yd)) {
 		val2 = fractf(yend)*xgap;
 
     PLOT(ix1, iy1,   val1);
-    PLOT(ix1, iy1+1, val2);
+    PLOT(ix1, (iy1+1)<y1?(iy1+1):iy1, val2);
 
 		yf = yend+g;
 		xend = truncf(x2+0.5);
@@ -57,7 +57,7 @@ if (fabsf(xd) > fabsf(yd)) {
 		val2 = fractf(yend)*xgap;
 
     PLOT(ix2, iy2,   val1);
-    PLOT(ix2, iy2+1, val2);
+    PLOT(ix2, iy2+1<y2?iy2+1:iy2, val2);
 
 		for (x = (ix1+1); x < ix2; x++)
     {