[panda-users] need help reading stringserach.cpp

[Gerald Van Winkle]

Never mind, it i set to the default value of 0. Which then gets used as an index into a string to pick off a char to compare with val.
At least that is what it looks like to me now.

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   1. need help reading stringserach.cpp (Gerald Van Winkle)


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Message: 1
Date: Sat, 16 Feb 2019 15:37:10 -0500
From: Gerald Van Winkle <gerryvanwinkle at gvtc.com>
Subject: [panda-users] need help reading stringserach.cpp
To: <panda-users at mit.edu>
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	<1261064166.851328782.1550349430131.JavaMail.zimbra at gvtc.com>
Content-Type: text/plain; charset="utf-8"

I'm trying to read and understand stringsearch.cpp. I'm a noob with C++. (This is actually a C++ question, but my searching C++ forums is just getting me confused.) 
My question is about how string_pos in std::map<prog_point,string_pos> &text_tracker in the mem_callback function is getting set to a value other than default? 
Specifically, where is the value for the key p in text_tracker coming from? 
Help, Gerry 
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