27 lines
486 B
C
27 lines
486 B
C
#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char** argv) {
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if (argc != 3) {
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fprintf(stderr, "Syntax: %s <filename> <size>\n", argv[0]);
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exit(1);
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}
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char* filename = argv[1];
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long file_size = atoi(argv[2]);
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FILE* fd = fopen(filename, "w");
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if (!fd) {
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fprintf(stderr, "Unable to open the file %s for writing.\n", filename);
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exit(1);
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}
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for(size_t i = 0; i < file_size; i++) {
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char byte = i % 255;
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fwrite(&byte, 1, 1, fd);
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}
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fclose(fd);
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return 0;
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}
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