SEI CERT C Coding Standard

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Code Block
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int get_secret() {

    int secret = (rand() % 100) + 100;
    return secret;

}

Compliant Solution

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Code Block
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#include <pthread.h>

pthread_mutex_t rand_lock = PTHREAD_MUTEX_INITIALIZER;

int get_secret() {

    int secret;

    pthread_mutex_lock(&rand_lock) ;
    secret = (rand() % 100) + 100;
    pthread_mutex_unlock(&rand_lock);

    return secret;

}

Risk Assessment

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