Pedro Monreal Gonzalez
0b66c025c3
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/libxslt?expand=0&rev=105
76 lines
2.3 KiB
Diff
76 lines
2.3 KiB
Diff
https://gitlab.gnome.org/GNOME/libxslt/-/issues/123
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From c45ed81aeb50a7fb6799a166270d6ccc9ffa63b2 Mon Sep 17 00:00:00 2001
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From: Nick Wellnhofer <wellnhofer@aevum.de>
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Date: Thu, 19 Sep 2024 21:49:46 +0200
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Subject: [PATCH] variables: Fix non-deterministic generated IDs
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Evaluate global variables in deterministic order. Otherwise, generated
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IDs could be non-deterministic if generate-id() is called.
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Fixes #123.
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---
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libxslt/variables.c | 24 +++++++++++++++---------
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1 file changed, 15 insertions(+), 9 deletions(-)
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diff --git a/libxslt/variables.c b/libxslt/variables.c
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index 93cb0747..09069aa3 100644
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--- a/libxslt/variables.c
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+++ b/libxslt/variables.c
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@@ -1259,13 +1259,6 @@ error:
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return(result);
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}
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-static void
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-xsltEvalGlobalVariableWrapper(void *payload, void *data,
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- const xmlChar *name ATTRIBUTE_UNUSED) {
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- xsltEvalGlobalVariable((xsltStackElemPtr) payload,
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- (xsltTransformContextPtr) data);
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-}
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-
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/**
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* xsltEvalGlobalVariables:
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* @ctxt: the XSLT transformation context
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@@ -1278,6 +1271,7 @@ xsltEvalGlobalVariableWrapper(void *payload, void *data,
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int
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xsltEvalGlobalVariables(xsltTransformContextPtr ctxt) {
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xsltStackElemPtr elem;
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+ xsltStackElemPtr head = NULL;
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xsltStylesheetPtr style;
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if ((ctxt == NULL) || (ctxt->document == NULL))
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@@ -1321,6 +1315,8 @@ xsltEvalGlobalVariables(xsltTransformContextPtr ctxt) {
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xsltFreeStackElem(def);
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return(-1);
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}
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+ def->next = head;
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+ head = def;
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} else if ((elem->comp != NULL) &&
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(elem->comp->type == XSLT_FUNC_VARIABLE)) {
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/*
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@@ -1343,9 +1339,19 @@ xsltEvalGlobalVariables(xsltTransformContextPtr ctxt) {
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}
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/*
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- * This part does the actual evaluation
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+ * This part does the actual evaluation. Note that scanning the hash
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+ * table would result in a non-deterministic order, leading to
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+ * non-deterministic generated IDs.
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*/
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- xmlHashScan(ctxt->globalVars, xsltEvalGlobalVariableWrapper, ctxt);
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+ elem = head;
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+ while (elem != NULL) {
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+ xsltStackElemPtr next;
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+
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+ xsltEvalGlobalVariable(elem, ctxt);
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+ next = elem->next;
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+ elem->next = NULL;
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+ elem = next;
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+ }
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return(0);
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}
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--
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GitLab
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