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Editorial Team
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Asked: 2026-05-14T00:55:57+00:00

I’ve got a bit of a problem. Essentially, I need to store a large

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I’ve got a bit of a problem. Essentially, I need to store a large list of whitelisted entries inside my program, and I’d like to include such a list directly — I don’t want to have to distribute other libraries and such, and I don’t want to embed the strings into a Win32 resource, for a bunch of reasons I don’t want to go into right now.

I simply included my big whitelist in my .cpp file, and was presented with this error:

1>ServicesWhitelist.cpp(2807): fatal error C1091: compiler limit: string exceeds 65535 bytes in length

The string itself is about twice this allowed limit by VC++. What’s the best way to include such a large literal in a program?

EDIT:

I’m storing the string like this:

const std::wstring servicesWhitelist
(
 L".NETFRAMEWORK|"
 L"_IOMEGA_ACTIVE_DISK_SERVICE_|"
 L"{6080A529-897E-4629-A488-ABA0C29B635E}|"
 L"{834170A7-AF3B-4D34-A757-E05EB29EE96D}|"
 L"{85CCB53B-23D8-4E73-B1B7-9DDB71827D9B}|"
 L"{95808DC4-FA4A-4C74-92FE-5B863F82066B}|"
 L"{A7447300-8075-4B0D-83F1-3D75C8EBC623}|"
 L"{D31A0762-0CEB-444E-ACFF-B049A1F6FE91}|"
 L"{E2B953A6-195A-44F9-9BA3-3D5F4E32BB55}|"
 L"{EDA5F5D3-9E0F-4F4D-8A13-1D1CF469C9CC}|"
 L"2WIREPCP|"
//About 3800 more lines
);

EDIT2
It’s used at runtime in a way similar to this:

static const boost::wregex servicesWhitelistRegex(servicesWhitelist);
std::wstring service;
//code to populate service
if (!boost::regex_match(service, servicesWhitelistRegex))
 //Do something to print service
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1 Answer

  1. Editorial Team

    How about an array? (you would put the commas only after the legal limit for every element)

    const std::wstring servicesWhitelist[] = {
 L".NETFRAMEWORK|",
 L"_IOMEGA_ACTIVE_DISK_SERVICE_|",
 L"{6080A529-897E-4629-A488-ABA0C29B635E}|",
 L"{834170A7-AF3B-4D34-A757-E05EB29EE96D}|",
 L"{85CCB53B-23D8-4E73-B1B7-9DDB71827D9B}|",
 L"{95808DC4-FA4A-4C74-92FE-5B863F82066B}|",
 L"{A7447300-8075-4B0D-83F1-3D75C8EBC623}|",
 L"{D31A0762-0CEB-444E-ACFF-B049A1F6FE91}|",
 L"{E2B953A6-195A-44F9-9BA3-3D5F4E32BB55}|",
 L"{EDA5F5D3-9E0F-4F4D-8A13-1D1CF469C9CC}|",
 L"2WIREPCP|",
...
};

    You could use the below statement to get the combined string.

    accumulate(servicesWhitelist, servicesWhitelist+sizeof(servicesWhitelist)/sizeof(servicesWhitelist[0]), "")
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