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mem problem in refine/augment code

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This commit is contained in:
Olof Hagsand 2019-06-05 09:54:13 +00:00
parent d3c392b69d
commit 42a974bf78
2 changed files with 16 additions and 10 deletions
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21
lib/src/clixon_yang.c
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@ -2183,10 +2183,14 @@ yang_expand_grouping(yang_stmt *yn)
goto done;
ygrouping->ys_flags |= YANG_FLAG_MARK; /* Mark as expanded */
}
/* Make a copy of the grouping, then make refinements to this copy
*/
if ((ygrouping2 = ys_dup(ygrouping)) == NULL)
goto done;
/* Replace ys with ygrouping,...
* First enlarge parent vector
*/
glen = ygrouping->ys_len;
glen = ygrouping2->ys_len;
/*
* yn is parent: the children of ygrouping replaces ys.
* Is there a case when glen == 0? YES AND THIS BREAKS
@ -2196,7 +2200,7 @@ yang_expand_grouping(yang_stmt *yn)
yn->ys_len += glen - 1;
if (glen && (yn->ys_stmt = realloc(yn->ys_stmt, (yn->ys_len)*sizeof(yang_stmt *))) == 0){
clicon_err(OE_YANG, errno, "realloc");
return -1;
goto done;
}
/* Then move all existing elements up from i+1 (not uses-stmt) */
if (size)
@ -2205,11 +2209,7 @@ yang_expand_grouping(yang_stmt *yn)
size);
}
/* Make a copy of the while grouping making it easier to
* refine it */
if ((ygrouping2 = ys_dup(ygrouping)) == NULL)
goto done;
/* Iterate through refinments and modify grouping copy
/* Iterate through refinements and modify grouping copy
* See RFC 7950 7.13.2 yrt is the refine target node
*/
yr = NULL;
@ -2241,6 +2241,9 @@ yang_expand_grouping(yang_stmt *yn)
}
/* Remove 'uses' node */
ys_free(ys);
/* Remove the grouping copy */
ygrouping2->ys_len = 0;
ys_free(ygrouping2);
break; /* Note same child is re-iterated since it may be changed */
default:
i++;
@ -2600,8 +2603,8 @@ ys_schemanode_check(yang_stmt *ys,
if (yang_desc_schema_nodeid(yp, ys->ys_argument, -1, &yres) < 0)
goto done;
if (yres == NULL){
clicon_err(OE_YANG, 0, "schemanode sanity check of %d %s",
ys->ys_keyword,
clicon_err(OE_YANG, 0, "schemanode sanity check of %s %s",
yang_key2str(ys->ys_keyword),
ys->ys_argument);
goto done;
}