September 2017
Beginner to intermediate
290 pages
6h 58m
English
Content preview from Mastering Assembly Programming
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Importing fgets()
Before we begin the implementation of our patch, we still need to make the executable import fgets() instead of gets(). This appears to be quite easy. Let's take a look at the content of the import table where the gets() function is imported:
Having located the string, we may safely overwrite it with fgets. The explanation, looking at the following screenshot, makes it clear why such overwriting is safe in this specific case:
The preceding screenshot shows gets being replaced by fgets already. We are lucky once more here because ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.