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Make it possible to read input from stdin.

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Without this change I don't see a way to
unpack a multivolume archive without wasting
disk space for a temporary file.
This commit is contained in:
Gleb Smirnoff 2010-10-21 17:05:15 +00:00
parent 9af74f3d68
commit 85080d2d68
1 changed files with 4 additions and 2 deletions
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6
usr.bin/unzip/unzip.c
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@ -859,7 +859,9 @@ unzip(const char *fn)
int fd, ret;
uintmax_t total_size, file_count, error_count;
if ((fd = open(fn, O_RDONLY)) < 0)
if (strcmp(fn, "-") == 0)
fd = STDIN_FILENO;
else if ((fd = open(fn, O_RDONLY)) < 0)
error("%s", fn);
if ((a = archive_read_new()) == NULL)
@ -913,7 +915,7 @@ unzip(const char *fn)
ac(archive_read_close(a));
(void)archive_read_finish(a);
if (close(fd) != 0)
if (fd != STDIN_FILENO && close(fd) != 0)
error("%s", fn);
if (t_opt) {