Change calls to die(..., strerror(errno)) to use the new die_errno(). In the process, also make slight style adjustments: at least state _something_ about the function that failed (instead of just printing the pathname), and put paths in single quotes. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
		
			
				
	
	
		
			48 lines
		
	
	
		
			816 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			816 B
		
	
	
	
		
			C
		
	
	
	
	
	
#include "cache.h"
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int main(int ac, char **av)
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{
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	git_SHA_CTX ctx;
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	unsigned char sha1[20];
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	unsigned bufsz = 8192;
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	char *buffer;
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	if (ac == 2)
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		bufsz = strtoul(av[1], NULL, 10) * 1024 * 1024;
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	if (!bufsz)
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		bufsz = 8192;
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	while ((buffer = malloc(bufsz)) == NULL) {
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		fprintf(stderr, "bufsz %u is too big, halving...\n", bufsz);
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		bufsz /= 2;
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		if (bufsz < 1024)
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			die("OOPS");
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	}
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	git_SHA1_Init(&ctx);
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	while (1) {
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		ssize_t sz, this_sz;
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		char *cp = buffer;
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		unsigned room = bufsz;
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		this_sz = 0;
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		while (room) {
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			sz = xread(0, cp, room);
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			if (sz == 0)
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				break;
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			if (sz < 0)
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				die_errno("test-sha1");
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			this_sz += sz;
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			cp += sz;
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			room -= sz;
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		}
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		if (this_sz == 0)
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			break;
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		git_SHA1_Update(&ctx, buffer, this_sz);
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	}
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	git_SHA1_Final(sha1, &ctx);
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	puts(sha1_to_hex(sha1));
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	exit(0);
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}
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