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libroot: getlogin_r(): 32 is a valid length.

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* also use LOGIN_NAME_MAX for the max length.
This commit is contained in:
Jérôme Duval 2016-10-29 22:34:41 +02:00
parent afbfc7e505
commit 58fb6344ae
1 changed files with 2 additions and 2 deletions
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4
src/system/libroot/posix/unistd/getlogin.c
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@ -30,9 +30,9 @@ int getlogin_r(char *name, size_t nameSize)
{ {
struct passwd *pw; struct passwd *pw;
pw = getpwuid(getuid()); pw = getpwuid(getuid());
if (pw && (nameSize > 32/*PW_MAX_NAME*/)) { if (pw && (nameSize >= LOGIN_NAME_MAX)) {
memset(name, 0, nameSize); memset(name, 0, nameSize);
strlcpy(name, pw->pw_name, 32/*PW_MAX_NAME*/); strlcpy(name, pw->pw_name, LOGIN_NAME_MAX);
return B_OK; return B_OK;
} }
return ENOMEM; return ENOMEM;