(Unicode C++) Generating Random ASCII Strings

Demonstrates how to generate random us-ascii strings.

Chilkat C/C++ Library Downloads
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#include <CkGlobalW.h>
#include <CkPrngW.h>

void ChilkatSample(void)
    {
    // All Chilkat classes can be unlocked at once at the beginning of a program
    // by calling UnlockBundle.  It requires a Bundle unlock code.
    CkGlobalW chilkatGlob;
    bool success = chilkatGlob.UnlockBundle(L"Anything for 30-day trial.");
    if (success != true) {
        wprintf(L"%s\n",chilkatGlob.lastErrorText());
        return;
    }

    CkPrngW fortuna;

    bool bDigits;
    bool bLowercase;
    bool bUppercase;

    // Generate random strings having only lowercase chars (a-z)
    // Disallow digits and uppercase and only allow lowercase
    bDigits = false;
    bUppercase = false;
    bLowercase = true;

    int i;

    wprintf(L"-- only lowercase alpha (a-z)\n");
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        wprintf(L"%s\n",fortuna.randomString(20,bDigits,bLowercase,bUppercase));
    }

    // Allow both lowercase and uppercase alpha chars
    bUppercase = true;
    wprintf(L"-- lower and uppercase alpha (a-zA-Z)\n");
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        wprintf(L"%s\n",fortuna.randomString(20,bDigits,bLowercase,bUppercase));
    }

    // Allow digits (0-9)
    bDigits = true;
    wprintf(L"-- digits and lower/uppercase alpha (0-9a-zA-Z)\n");
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        wprintf(L"%s\n",fortuna.randomString(20,bDigits,bLowercase,bUppercase));
    }

    // Allow only digits (0-9)
    bUppercase = false;
    bLowercase = false;
    wprintf(L"-- only digits (0-9)\n");
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        wprintf(L"%s\n",fortuna.randomString(20,bDigits,bLowercase,bUppercase));
    }
    }