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-rw-r--r--libskrift_merge_glyphs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libskrift_merge_glyphs.c b/libskrift_merge_glyphs.c
index 4df6f7a..820d0d4 100644
--- a/libskrift_merge_glyphs.c
+++ b/libskrift_merge_glyphs.c
@@ -20,7 +20,7 @@ libskrift_merge_glyphs(LIBSKRIFT_CONTEXT *ctx, const struct libskrift_glyph *gly
glyph2 = t;
}
if (!(glyph2->width | glyph2->height)) {
- size = offsetof(struct libskrift_glyph, image) + glyph1->size;
+ size = FLEXSTRUCTSIZE(struct libskrift_glyph, image, glyph1->size);
*glyphp = calloc(1, size);
if (!*glyphp)
return -1;
@@ -47,7 +47,7 @@ libskrift_merge_glyphs(LIBSKRIFT_CONTEXT *ctx, const struct libskrift_glyph *gly
size *= width = (uint16_t)(x2 - x1);
size *= height = (uint16_t)(y2 - y1);
- *glyphp = calloc(1, offsetof(struct libskrift_glyph, image) + size);
+ *glyphp = calloc(1, FLEXSTRUCTSIZE(struct libskrift_glyph, image, size));
if (!*glyphp)
return -1;