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author | Takuji Tanaka <KXD02663@nifty.ne.jp> | 2017-06-11 14:50:50 +0000 |
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committer | Takuji Tanaka <KXD02663@nifty.ne.jp> | 2017-06-11 14:50:50 +0000 |
commit | e90cc27a70431541c2d1d4affba771b37f69c388 (patch) | |
tree | 1fd5ff55f44b1c5cf96a943b374c9011f10d6e73 /Build/source/texk/seetexk/dviconcat.c | |
parent | 8cada474755655a7cb468072de2ad1ab9f10a78e (diff) |
texk/seetexk: Show usage and exit if stdin is set to a keyboard
git-svn-id: svn://tug.org/texlive/trunk@44561 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/seetexk/dviconcat.c')
-rw-r--r-- | Build/source/texk/seetexk/dviconcat.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Build/source/texk/seetexk/dviconcat.c b/Build/source/texk/seetexk/dviconcat.c index d776e57a3b5..dad528e4806 100644 --- a/Build/source/texk/seetexk/dviconcat.c +++ b/Build/source/texk/seetexk/dviconcat.c @@ -437,6 +437,8 @@ usage: if (optind >= argc) { if (!isatty(fileno(stdin))) SET_BINARY(fileno(stdin)); + else + goto usage; doit("`stdin'", stdin); } else { @@ -445,6 +447,8 @@ usage: if (*s == '-' && s[1] == 0) { if (!isatty(fileno(stdin))) SET_BINARY(fileno(stdin)); + else + goto usage; doit("`stdin'", stdin); } else if ((f = fopen(s, FOPEN_RBIN_MODE)) == NULL) { |