| /* |
| * Simple random data generator used to create reproducible test files. |
| * This is inspired from POSIX.1-2001 implementation example for rand(). |
| * Copyright (C) 2007 by Nicolas Pitre, licensed under the GPL version 2. |
| */ |
| |
| #include "git-compat-util.h" |
| |
| int main(int argc, char *argv[]) |
| { |
| unsigned long count, next = 0; |
| unsigned char *c; |
| |
| if (argc < 2 || argc > 3) { |
| fprintf(stderr, "Usage: %s <seed_string> [<size>]\n", argv[0]); |
| return 1; |
| } |
| |
| c = (unsigned char *) argv[1]; |
| do { |
| next = next * 11 + *c; |
| } while (*c++); |
| |
| count = (argc == 3) ? strtoul(argv[2], NULL, 0) : -1L; |
| |
| while (count--) { |
| next = next * 1103515245 + 12345; |
| if (putchar((next >> 16) & 0xff) == EOF) |
| return -1; |
| } |
| |
| return 0; |
| } |