48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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int main() {
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long long unsigned int size = 0;
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printf("please enter the number of sizes (GiB) you would like to allocate (i.e. 4 = 4GiB):\n> ");
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int digit = 0;
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while (1) {
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char input = getchar();
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if (input == '\n') break;
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if (input < '0' || input > '9') continue;
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char number = input - 48;
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if (digit > 0) number = number * 10 * digit;
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if (input == '0') number = 10 * digit;
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size = size + number;
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digit++;
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}
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size = size * 1024 * 1024 * 1024;
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printf("you are about to allocate %llu bytes of heap memory. are you sure? (y/n)\n> ", size);
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char input = getchar();
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if (input != 'y') return 0;
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while (getchar() != '\n');
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printf("please wait...\n");
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char* wtf = (char*) malloc(size * sizeof(char));
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for (long long unsigned int i = 0; i < size; i++) {
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wtf[i] = 255;
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}
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printf("%llu bytes of heap memory has been allocated. you are insane.\n", size);
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printf("press any key to release this memory, or CTRL+C to exit the program.\n");
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getchar();
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free(wtf);
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return 0;
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}
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