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5%の確率で Vim になる Emacs
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <limits.h> | |
#include <unistd.h> | |
#include <time.h> | |
int | |
main(int argc, char* argv[]) { | |
const char* home = getenv("HOME"); | |
int lhs = 5, rhs = 95; | |
char s[PATH_MAX], ns[PATH_MAX]; | |
FILE *fp; | |
char line[2048]; | |
double ratio; | |
int golhs = 0; | |
strcpy(s, home); | |
strcat(s, "/.boronrc"); | |
fp = fopen(s, "r"); | |
if (fp) { | |
line[0] = 0; | |
fgets(line, sizeof(s), fp); | |
fclose(fp); | |
sscanf(line, "%d,%d", &lhs, &rhs); | |
} | |
ratio = (double)lhs / (double)(lhs + rhs); | |
if (ratio > 0.05) | |
rhs++; | |
else if (ratio < 0.05) { | |
lhs++; | |
golhs = 1; | |
} else { | |
srand(time(NULL)); | |
if (rand() % 100 > 5) | |
rhs++; | |
else { | |
lhs++; | |
golhs = 1; | |
} | |
} | |
strcat(ns, s); | |
strcat(ns, "~"); | |
fp = fopen(ns, "w"); | |
if (fp) { | |
fprintf(fp, "%d,%d", lhs, rhs); | |
fclose(fp); | |
rename(ns, s); | |
} | |
if (golhs) | |
argv[0] = "/usr/bin/vim"; | |
else | |
argv[0] = "/usr/bin/emacs"; | |
execv(argv[0], argv); | |
return 0; | |
} |
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