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MFC of 320176:

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Allow '_' in labels when specifying -L to newfs.

PR: 220163
Reported by: Keve Nagy
Reviewed by: kib
This commit is contained in:
Kirk McKusick 2017-06-26 17:33:33 +00:00
parent f07b5deca8
commit 8ef57fa6f3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/stable/10/; revision=320366
1 changed files with 2 additions and 1 deletions
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3
sbin/newfs/newfs.c
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@ -153,7 +153,8 @@ main(int argc, char *argv[])
case 'L':
volumelabel = optarg;
i = -1;
while (isalnum(volumelabel[++i]));
while (isalnum(volumelabel[++i]) ||
volumelabel[i] == '_');
if (volumelabel[i] != '\0') {
errx(1, "bad volume label. Valid characters are alphanumerics.");
}