From e48fbd2121efa59911b87c070125e3f774a1bd55 Mon Sep 17 00:00:00 2001
From: Michael Schroeder <mls@suse.de>
Date: Wed, 4 May 2016 11:11:23 +0200
Subject: [PATCH] Support alternative disfavor in example solver

Just for testing purposes...
---
 examples/solv/solv.c | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/examples/solv/solv.c b/examples/solv/solv.c
index c3e0f663..0714649d 100644
--- a/examples/solv/solv.c
+++ b/examples/solv/solv.c
@@ -780,7 +780,6 @@ rerunsolver:
       Queue answerq;
       Id id, from, chosen;
       int j;
-      int take = 0;
 
       queue_init(&choicesq);
       queue_init(&answerq);
@@ -802,6 +801,7 @@ rerunsolver:
       for (;;)
 	{
 	  char inbuf[128], *ip;
+	  int neg = 0;
 	  printf("OK to continue (y/n), or number to change alternative: ");
 	  fflush(stdout);
 	  *inbuf = 0;
@@ -812,12 +812,24 @@ rerunsolver:
 	    }
 	  while (*ip == ' ' || *ip == '\t')
 	    ip++;
+	  if (*ip == '-' && ip[1] >= '0' && ip[1] <= '9')
+	    {
+	      neg = 1;
+	      ip++;
+	    }
 	  if (*ip >= '0' && *ip <= '9')
 	    {
-	      take = atoi(ip);
+	      int take = atoi(ip);
 	      if (take > 0 && take <= answerq.count)
-		break;
-	      take = 0;
+		{
+		  Id p = answerq.elements[take - 1];
+		  queue_free(&answerq);
+		  queue_push2(&job, (neg ? SOLVER_DISFAVOR : SOLVER_FAVOR) | SOLVER_SOLVABLE_NAME, pool->solvables[p].name);
+		  solver_free(solv);
+		  solv = 0;
+		  goto rerunsolver;
+		  break;
+		}
 	    }
 	  if (*ip == 'n' || *ip == 'y')
 	    {
@@ -825,15 +837,6 @@ rerunsolver:
 	      break;
 	    }
 	}
-      if (take > 0 && take <= answerq.count)
-	{
-	  Id p = answerq.elements[take - 1];
-	  queue_free(&answerq);
-	  queue_push2(&job, SOLVER_FAVOR | SOLVER_SOLVABLE_NAME, pool->solvables[p].name);
-	  solver_free(solv);
-	  solv = 0;
-	  goto rerunsolver;
-	}
       queue_free(&answerq);
     }
   if (!answer)
-- 
2.47.2