[patch] patch adding debug code

debug.patch (text/plain), 1.83 KB, created by Alexander Wetzel on 2016-11-14 20:16:10 UTC

diff -ur portage-utils-0.62_orig/main.c portage-utils-0.62/main.c
--- portage-utils-0.62_orig/main.c	2016-02-22 19:31:41.000000000 +0100
+++ portage-utils-0.62/main.c	2016-11-14 21:09:11.087060551 +0100
@@ -182,6 +182,7 @@
 	struct stat s;
 	char *buf;
 	size_t read_size;
+	printf ("DEBUG eat_file_fd entry bufptr=%p *bufptr=%p\n",bufptr, *bufptr );
 
 	/* First figure out how much data we should read from the fd. */
 	if (fd == -1 || fstat(fd, &s) != 0) {
@@ -203,9 +204,12 @@
 		 * constantly.  So we round up a few pages as wasiting virtual
 		 * memory is cheap when it is unused.  */
 		*bufsize = ((read_size + 1) + BUFSIZE - 1) & -BUFSIZE;
+		printf ("DEBUG: calling xrealloc.\nOld *bufptr=%p\n",*bufptr);
 		*bufptr = xrealloc(*bufptr, *bufsize);
+		printf ("New *bufprt=%p\n",*bufptr);
 	}
 	buf = *bufptr;
+	printf ("DEBUG: pre-crash *bufptr=%p\n", *bufptr);
 
 	/* Finally do the actual read. */
 	buf[0] = '\0';
@@ -220,6 +224,7 @@
 			buf[read_size - 1] = '\0';
 		}
 	}
+	printf("DEBUG: buf = %s\n", buf);
 
 	return ret;
 }
@@ -1339,6 +1344,15 @@
 	struct dirent **cat;
 	struct dirent **pf;
 
+	slot[0]=0xa;
+	slot[1]=0xb;
+	slot[2]=0xa;
+	slot[3]=0xb;
+	slot[4]=0xa;
+	slot[5]=0xb;
+	slot[6]=0xa;
+	slot[7]=0xb;
+	printf ("DEBUG slot created with slot=%p and &slot=%p\n",slot, &slot);
 	depend_atom *atom = NULL;
 	queue *cpf = NULL;
 
@@ -1362,8 +1376,11 @@
 			 * until this is rewritten & merged into libq/vdb.c. */
 			slot_len = sizeof(slot);
 			strncat(buf, "/SLOT", sizeof(buf));
+			printf ("DEBUG pre-eat : slot=%p (char **)&slot=%p\n", slot, (char **)&slot);
 			eat_file_at(ctx->vdb_fd, buf, (char **)&slot, &slot_len);
+			printf ("DEBUG post-eat: slot=%p (char **)&slot=%p\n", slot, (char **)&slot);
 			rmspace(slot);
+			printf ("DEBUG post-rm : slot=%p (char **)&slot=%p\n", slot, (char **)&slot);
 
 			if (fullcpv) {
 				if (atom->PR_int)