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dtgreet: Do not crash if LANG is not set in the environment.

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In that case, catopen() will have never been called, and we'd feed 0 as the
first argument to catgets().  This crashes, at least on OpenBSD.
This commit is contained in:
Pascal Stumpf 2012-11-20 19:42:33 +01:00 committed by Jon Trulson
parent 0e5560cee4
commit 76c874b068
1 changed files with 1 additions and 1 deletions
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cde/programs/dtlogin/vgutil.c
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@ -791,7 +791,7 @@ unsigned char *
ReadCatalog(int setn, int msgn, char *dflt) ReadCatalog(int setn, int msgn, char *dflt)
{ {
OpenCatalog(); OpenCatalog();
if (0 > (int) nl_fd) if ((0 > (int) nl_fd) || (NULL == langenv))
return (unsigned char*) dflt; return (unsigned char*) dflt;
else else
return (unsigned char*) catgets(nl_fd, setn, msgn, dflt); return (unsigned char*) catgets(nl_fd, setn, msgn, dflt);