thodg/libgit2/examples/log.c

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• Hash : d39fff36
  Author :
  Date : 2013-06-23T20:33:57
  

  Basic framework for log command

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• examples/log.c

• #include <stdio.h>
  #include <git2.h>
  #include <stdlib.h>
  #include <string.h>
  
  static void check(int error, const char *message)
  {
  	if (error) {
  		fprintf(stderr, "%s (%d)\n", message, error);
  		exit(1);
  	}
  }
  
  static int check_str_param(const char *arg, const char *pat, const char **val)
  {
  	size_t len = strlen(pat);
  	if (strncmp(arg, pat, len))
  		return 0;
  	*val = (const char *)(arg + len);
  	return 1;
  }
  
  static void usage(const char *message, const char *arg)
  {
  	if (message && arg)
  		fprintf(stderr, "%s: %s\n", message, arg);
  	else if (message)
  		fprintf(stderr, "%s\n", message);
  	fprintf(stderr, "usage: log [<options>]\n");
  	exit(1);
  }
  
  int main(int argc, char *argv[])
  {
  	int i;
  	char *a;
  	const char *dir = ".";
  	git_repository *repo;
  
  	git_threads_init();
  
  	for (i = 1; i < argc; ++i) {
  		a = argv[i];
  
  		if (a[0] != '-') {
  		}
  		else if (!check_str_param(a, "--git-dir=", &dir))
  			usage("Unknown argument", a);
  	}
  
  	check(git_repository_open_ext(&repo, dir, 0, NULL),
  		"Could not open repository");
  
  	git_repository_free(repo);
  	git_threads_shutdown();
  
  	return 0;
  }
  

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