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files: make convert_path_from_another_mp always return relative path

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If dmi->ns_mountpoint is "/" then in dst we will return "/..." -
absolute path but we want here path relative to dmi mount. Adding "./"
before the path guaranties that it will be always relative.

https://jira.sw.ru/browse/PSBM-72351
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
This commit is contained in:
Pavel Tikhomirov 2018-01-17 10:56:07 +03:00 committed by Andrei Vagin
parent 00524c298e
commit 41cdad6c2d
1 changed files with 1 additions and 1 deletions
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criu/files-reg.c
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@ -1383,7 +1383,7 @@ static void convert_path_from_another_mp(char *src, char *dst, int dlen,
* Absolute path to the mount point + difference between source * Absolute path to the mount point + difference between source
* and destination roots + path relative to the mountpoint. * and destination roots + path relative to the mountpoint.
*/ */
snprintf(dst, dlen, "%s/%s/%s", snprintf(dst, dlen, "./%s/%s/%s",
dmi->ns_mountpoint + 1, dmi->ns_mountpoint + 1,
smi->root + strlen(dmi->root), smi->root + strlen(dmi->root),
src + off); src + off);