thodg/libgit2/examples/network/index-pack.c

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• Hash : 9994cd3f
  Author :
  Date : 2018-06-25T11:56:52
  

  treewide: remove use of C++ style comments
  
  C++ style comment ("//") are not specified by the ISO C90 standard and
  thus do not conform to it. While libgit2 aims to conform to C90, we did
  not enforce it until now, which is why quite a lot of these
  non-conforming comments have snuck into our codebase. Do a tree-wide
  conversion of all C++ style comments to the supported C style comments
  to allow us enforcing strict C90 compliance in a later commit.
  

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• examples/network/index-pack.c

• #include <git2.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include <sys/types.h>
  #include <sys/stat.h>
  #include <fcntl.h>
  #ifdef _WIN32
  # include <io.h>
  # include <Windows.h>
  
  # define open _open
  # define read _read
  # define close _close
  
  #define ssize_t unsigned int
  #else
  # include <unistd.h>
  #endif
  #include "common.h"
  
  /*
   * This could be run in the main loop whilst the application waits for
   * the indexing to finish in a worker thread
   */
  static int index_cb(const git_transfer_progress *stats, void *data)
  {
  	(void)data;
  	printf("\rProcessing %d of %d", stats->indexed_objects, stats->total_objects);
  
  	return 0;
  }
  
  int index_pack(git_repository *repo, int argc, char **argv)
  {
  	git_indexer *idx;
  	git_transfer_progress stats = {0, 0};
  	int error;
  	char hash[GIT_OID_HEXSZ + 1] = {0};
  	int fd;
  	ssize_t read_bytes;
  	char buf[512];
  
  	(void)repo;
  
  	if (argc < 2) {
  		fprintf(stderr, "usage: %s index-pack <packfile>\n", argv[-1]);
  		return EXIT_FAILURE;
  	}
  
  	if (git_indexer_new(&idx, ".", 0, NULL, NULL, NULL) < 0) {
  		puts("bad idx");
  		return -1;
  	}
  
  	if ((fd = open(argv[1], 0)) < 0) {
  		perror("open");
  		return -1;
  	}
  
  	do {
  		read_bytes = read(fd, buf, sizeof(buf));
  		if (read_bytes < 0)
  			break;
  
  		if ((error = git_indexer_append(idx, buf, read_bytes, &stats)) < 0)
  			goto cleanup;
  
  		index_cb(&stats, NULL);
  	} while (read_bytes > 0);
  
  	if (read_bytes < 0) {
  		error = -1;
  		perror("failed reading");
  		goto cleanup;
  	}
  
  	if ((error = git_indexer_commit(idx, &stats)) < 0)
  		goto cleanup;
  
  	printf("\rIndexing %d of %d\n", stats.indexed_objects, stats.total_objects);
  
  	git_oid_fmt(hash, git_indexer_hash(idx));
  	puts(hash);
  
   cleanup:
  	close(fd);
  	git_indexer_free(idx);
  	return error;
  }
  

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