51 lines
679 B
C
51 lines
679 B
C
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#include "unit.h"
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#include <malloc.h>
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#include <time.h>
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static inline char ranchr() {
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char ch;
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do {
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ch = rand() % 0x7A;
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} while(ch < 0x20);
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return ch;
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}
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void utest_init_RNG() {
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static unsigned char init = 0;
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if (init)
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return;
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srand(time(NULL));
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init = 1;
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}
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/*
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* Helper function for generating random strings
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*/
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char* utest_ran_string(size_t size) {
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int i, r;
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char *str;
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if (size < 1)
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return NULL;
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str = malloc(size+1);
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if (str == NULL)
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return NULL;
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utest_init_RNG();
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for(i=0; i < size; i++)
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str[i] = ranchr();
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str[i] = 0;
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return str;
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}
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