Fix a memory leak

pd3 · pd3 · commit e0e3bd4a9c16 · 2023-07-20T14:38:54.000+02:00
diff --git a/vcfnorm.c b/vcfnorm.c
@@ -598,6 +598,8 @@ static int realign(args_t *args, bcf1_t *line)
 
         if ( i>0 && als[i].l==als[0].l && !strcasecmp(als[0].s,als[i].s) ) return ERR_DUP_ALLELE;
     }
+    free(ref);
+    ref = NULL;
 
     // which direction are we aligning?
     int left_align = is_left_align(args, line);

Original file line number	Diff line number	Diff line change
`@@ -598,6 +598,8 @@ static int realign(args_t args, bcf1_t line)`
`598`	`598`
`599`	`599`	`if ( i>0 && als[i].l==als[0].l && !strcasecmp(als[0].s,als[i].s) ) return ERR_DUP_ALLELE;`
`600`	`600`	`}`
	`601`	`+ free(ref);`
	`602`	`+ ref = NULL;`
`601`	`603`
`602`	`604`	`// which direction are we aligning?`
`603`	`605`	`int left_align = is_left_align(args, line);`