usage.c

   1 /*
   2  * GIT - The information manager from hell
   3  *
   4  * Copyright (C) Linus Torvalds, 2005
   5  */
   6 #include "git-compat-util.h"
   7
   8 static void report(const char *prefix, const char *err, va_list params)
   9 {
  10         fputs(prefix, stderr);
  11         vfprintf(stderr, err, params);
  12         fputs("\n", stderr);
  13 }
  14
  15 void usage(const char *err)
  16 {
  17         fprintf(stderr, "usage: %s\n", err);
  18         exit(129);
  19 }
  20
  21 void die(const char *err, ...)
  22 {
  23         va_list params;
  24
  25         va_start(params, err);
  26         report("fatal: ", err, params);
  27         va_end(params);
  28         exit(128);
  29 }
  30
  31 int error(const char *err, ...)
  32 {
  33         va_list params;
  34
  35         va_start(params, err);
  36         report("error: ", err, params);
  37         va_end(params);
  38         return -1;
  39 }