Nikolay Sivov : dwrite: Add additional structure for mappings array.
Module: wine Branch: master Commit: 1cf2ac20c8587504c32d85854737d103bc9c624a URL: https://gitlab.winehq.org/wine/wine/-/commit/1cf2ac20c8587504c32d85854737d10... Author: Nikolay Sivov <nsivov(a)codeweavers.com> Date: Sat Jul 16 15:01:20 2022 +0300 dwrite: Add additional structure for mappings array. Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> --- dlls/dwrite/analyzer.c | 96 ++++++++++++++++++++++++++++++-------------------- 1 file changed, 58 insertions(+), 38 deletions(-) diff --git a/dlls/dwrite/analyzer.c b/dlls/dwrite/analyzer.c index a8ab12b9430..2f5f1e1d7fe 100644 --- a/dlls/dwrite/analyzer.c +++ b/dlls/dwrite/analyzer.c @@ -240,6 +240,12 @@ static const struct fallback_mapping fontfallback_neutral_data[] = { #undef MAPPING_RANGE }; +struct fallback_data +{ + struct fallback_mapping *mappings; + size_t count; +}; + struct dwrite_fontfallback { IDWriteFontFallback1 IDWriteFontFallback1_iface; @@ -255,11 +261,31 @@ struct dwrite_fontfallback_builder IDWriteFontFallbackBuilder IDWriteFontFallbackBuilder_iface; LONG refcount; IDWriteFactory7 *factory; - struct fallback_mapping *mappings; - size_t size; - size_t count; + struct fallback_data data; + size_t mappings_size; }; +static void release_fallback_mapping(struct fallback_mapping *mapping) +{ + unsigned int i; + + free(mapping->ranges); + for (i = 0; i < mapping->families_count; ++i) + free(mapping->families[i]); + free(mapping->families); + if (mapping->collection) + IDWriteFontCollection_Release(mapping->collection); +} + +static void release_fallback_data(struct fallback_data *data) +{ + size_t i; + + for (i = 0; i < data->count; ++i) + release_fallback_mapping(&data->mappings[i]); + free(data->mappings); +} + struct dwrite_numbersubstitution { IDWriteNumberSubstitution IDWriteNumberSubstitution_iface; @@ -2327,76 +2353,70 @@ static ULONG WINAPI fontfallbackbuilder_AddRef(IDWriteFontFallbackBuilder *iface static ULONG WINAPI fontfallbackbuilder_Release(IDWriteFontFallbackBuilder *iface) { - struct dwrite_fontfallback_builder *fallbackbuilder = impl_from_IDWriteFontFallbackBuilder(iface); - ULONG refcount = InterlockedDecrement(&fallbackbuilder->refcount); - size_t i; + struct dwrite_fontfallback_builder *builder = impl_from_IDWriteFontFallbackBuilder(iface); + ULONG refcount = InterlockedDecrement(&builder->refcount); TRACE("%p, refcount %ld.\n", iface, refcount); if (!refcount) { - for (i = 0; i < fallbackbuilder->count; ++i) - { - struct fallback_mapping *mapping = &fallbackbuilder->mappings[i]; - UINT32 j; - - for (j = 0; j < mapping->families_count; j++) - free(mapping->families[j]); - free(mapping->families); - - if (mapping->collection) - IDWriteFontCollection_Release(mapping->collection); - free(mapping->ranges); - free(mapping->locale); - } - - IDWriteFactory7_Release(fallbackbuilder->factory); - free(fallbackbuilder->mappings); - free(fallbackbuilder); + IDWriteFactory7_Release(builder->factory); + release_fallback_data(&builder->data); + free(builder); } return refcount; } static HRESULT WINAPI fontfallbackbuilder_AddMapping(IDWriteFontFallbackBuilder *iface, - const DWRITE_UNICODE_RANGE *ranges, UINT32 ranges_count, WCHAR const **target_families, UINT32 families_count, - IDWriteFontCollection *collection, WCHAR const *locale, WCHAR const *base_family, FLOAT scale) + const DWRITE_UNICODE_RANGE *ranges, UINT32 ranges_count, WCHAR const **families, UINT32 families_count, + IDWriteFontCollection *collection, WCHAR const *locale_name, WCHAR const *base_family, float scale) { - struct dwrite_fontfallback_builder *fallbackbuilder = impl_from_IDWriteFontFallbackBuilder(iface); + struct dwrite_fontfallback_builder *builder = impl_from_IDWriteFontFallbackBuilder(iface); struct fallback_mapping *mapping; UINT32 i; - TRACE("%p, %p, %u, %p, %u, %p, %s, %s, %f.\n", iface, ranges, ranges_count, target_families, families_count, - collection, debugstr_w(locale), debugstr_w(base_family), scale); + TRACE("%p, %p, %u, %p, %u, %p, %s, %s, %f.\n", iface, ranges, ranges_count, families, families_count, + collection, debugstr_w(locale_name), debugstr_w(base_family), scale); - if (!ranges || ranges_count == 0 || !target_families || families_count == 0 || scale < 0.0f) + if (!ranges || !ranges_count || !families || !families_count || scale < 0.0f) return E_INVALIDARG; if (base_family) FIXME("base family ignored.\n"); - if (!dwrite_array_reserve((void **)&fallbackbuilder->mappings, &fallbackbuilder->size, fallbackbuilder->count + 1, - sizeof(*fallbackbuilder->mappings))) + if (!dwrite_array_reserve((void **)&builder->data.mappings, &builder->mappings_size, + builder->data.count + 1, sizeof(*builder->data.mappings))) { return E_OUTOFMEMORY; } - mapping = &fallbackbuilder->mappings[fallbackbuilder->count++]; + mapping = &builder->data.mappings[builder->data.count]; + memset(mapping, 0, sizeof(*mapping)); + + if (!(mapping->ranges = calloc(ranges_count, sizeof(*mapping->ranges)))) + goto failed; - mapping->ranges = calloc(ranges_count, sizeof(*mapping->ranges)); - memcpy(mapping->ranges, ranges, sizeof(*mapping->ranges) * ranges_count); mapping->ranges_count = ranges_count; - mapping->families = calloc(families_count, sizeof(*mapping->families)); + memcpy(mapping->ranges, ranges, sizeof(*mapping->ranges) * ranges_count); + + if (!(mapping->families = calloc(families_count, sizeof(*mapping->families)))) + goto failed; mapping->families_count = families_count; for (i = 0; i < families_count; i++) - mapping->families[i] = wcsdup(target_families[i]); + if (!(mapping->families[i] = wcsdup(families[i]))) goto failed; mapping->collection = collection; if (mapping->collection) IDWriteFontCollection_AddRef(mapping->collection); - mapping->locale = wcsdup(locale); + mapping->locale = wcsdup(locale_name); mapping->scale = scale; + builder->data.count++; return S_OK; + +failed: + release_fallback_mapping(mapping); + return E_OUTOFMEMORY; } static HRESULT WINAPI fontfallbackbuilder_AddMappings(IDWriteFontFallbackBuilder *iface, IDWriteFontFallback *fallback)
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Alexandre Julliard