Create our temporary file in $TMPDIR, if the environment variable
is set. /tmp otherwise. Submitted by: Dan McGregor <danismostlikely@gmail.com>
This commit is contained in:
parent
47206692f2
commit
aa30ba04c3
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=266556
@ -30,6 +30,9 @@ __FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <assert.h>
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#include <errno.h>
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#include <limits.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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@ -38,7 +41,7 @@ __FBSDID("$FreeBSD$");
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#define BUFFER_SIZE (1024*1024)
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static char image_tmpfile[] = "/tmp/mkimg-XXXXXX";
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static char image_tmpfile[PATH_MAX];
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static int image_fd = -1;
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static lba_t image_size;
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@ -161,9 +164,14 @@ image_write(lba_t blk, void *buf, ssize_t len)
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int
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image_init(void)
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{
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const char *tmpdir;
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if (atexit(cleanup) == -1)
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return (errno);
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if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
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tmpdir = _PATH_TMP;
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snprintf(image_tmpfile, sizeof(image_tmpfile), "%s/mkimg-XXXXXX",
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tmpdir);
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image_fd = mkstemp(image_tmpfile);
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if (image_fd == -1)
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return (errno);
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@ -24,7 +24,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd March 27, 2014
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.Dd May 22, 2014
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.Dt MKIMG 1
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.Os
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.Sh NAME
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@ -159,6 +159,11 @@ For partitioning schemes that feature partition labels, the
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utility supports assigning labels to the partitions specified.
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In the following example the file system partition is labeled as 'backup':
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.Dl % mkimg -s gpt -p freebsd-ufs/backup:=file-system.ufs -o gpt.img
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.Sh ENVIRONMENT
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.Bl -tag -width "TMPDIR" -compact
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.It Ev TMPDIR
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Directory to put temporary files in; default is
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.Pa /tmp .
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.Sh SEE ALSO
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.Xr gpart 8
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.Xr makefs 8
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