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v0.5.1
https://github.com/git/git
23 January 2022, 05:21:09 UTC
Revision 423325a2d24638ddcc82ce47be5e40be550f4507 authored by Junio C Hamano on 04 December 2005, 07:46:02 UTC, committed by Junio C Hamano on 04 December 2005, 07:46:02 UTC 
GIT 0.99.9l aka 1.0rc4
2 parent s 93dcab2 + d79374c
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Tip revision: 423325a2d24638ddcc82ce47be5e40be550f4507 authored by Junio C Hamano on 04 December 2005, 07:46:02 UTC
GIT 0.99.9l aka 1.0rc4
Tip revision: 423325a
get-tar-commit-id.c 
/*
 * Copyright (C) 2005 Rene Scharfe
 */
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#define HEADERSIZE	1024

int main(int argc, char **argv)
{
	char buffer[HEADERSIZE];
	ssize_t n;

	n = read(0, buffer, HEADERSIZE);
	if (n < HEADERSIZE) {
		fprintf(stderr, "read error\n");
		return 3;
	}
	if (buffer[156] != 'g')
		return 1;
	if (memcmp(&buffer[512], "52 comment=", 11))
		return 1;
	n = write(1, &buffer[523], 41);
	if (n < 41) {
		fprintf(stderr, "write error\n");
		return 2;
	}
	return 0;
}
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