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eeshow/delta.c (sheet_eq): check if one sheet title is NULL

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May have caused a segfault.
This commit is contained in:
Werner Almesberger 2016-08-16 03:47:35 -03:00
parent c5fcf2c16e
commit e349ae0d1f
1 changed files with 6 additions and 2 deletions
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6
eeshow/delta.c
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@ -303,8 +303,12 @@ bool sheet_eq(const struct sheet *a, const struct sheet *b)
if (!(a && b)) if (!(a && b))
return 0; return 0;
if (a->title != b->title && strcmp(a->title, b->title)) if (a->title != b->title) {
if (!a->title || !b->title)
return 0; return 0;
if (strcmp(a->title, b->title))
return 0;
}
obj_a = a->objs; obj_a = a->objs;
obj_b = b->objs; obj_b = b->objs;