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diff: consider two files with same inodes as identical

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Obtained from:	OpenBSD
MFC after:	1 week
This commit is contained in:
Mariusz Zaborski 2021-10-07 17:07:00 +02:00
parent 67bceb38f4
commit 824bbb9a40
1 changed files with 4 additions and 0 deletions
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4
usr.bin/diff/diffreg.c
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@ -440,6 +440,10 @@ files_differ(FILE *f1, FILE *f2, int flags)
if ((flags & (D_EMPTY1|D_EMPTY2)) || stb1.st_size != stb2.st_size ||
(stb1.st_mode & S_IFMT) != (stb2.st_mode & S_IFMT))
return (1);
if (stb1.st_dev == stb2.st_dev && stb1.st_ino == stb2.st_ino)
return (0);
for (;;) {
i = fread(buf1, 1, sizeof(buf1), f1);
j = fread(buf2, 1, sizeof(buf2), f2);