b6164b7e35
Pre-filter sed's input by dd to avoid long delays and unlimited memory consumption. Version: 2.4.2-14 Resolves: #636045
44 lines
1.1 KiB
Diff
44 lines
1.1 KiB
Diff
diff --git a/libltdl/config/ltmain.sh b/libltdl/config/ltmain.sh
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index 63ae69d..36625c7 100644
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--- a/libltdl/config/ltmain.sh
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+++ b/libltdl/config/ltmain.sh
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@@ -82,6 +82,7 @@ PROGRAM=libtool
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PACKAGE=libtool
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VERSION=2.4.2
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TIMESTAMP=""
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+: ${DD=dd}
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package_revision=1.3337
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# Be Bourne compatible
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@@ -1224,6 +1225,21 @@ func_enable_tag "$optarg"
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## Main. ##
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## ----------- ##
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+# func_try_sizelim file n
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+# try to write at most the first N bytes from FILE to the standard output when
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+# possible, otherwise put whole file
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+func_try_sizelim ()
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+{
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+ if test -n "$DD"; then
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+ $DD if="$1" bs=$2 count=1 2>/dev/null
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+ if test $? -eq 127; then
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+ cat "$1" 2>/dev/null
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+ fi
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+ else
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+ cat "$1" 2>/dev/null
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+ fi
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+}
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+
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# func_lalib_p file
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# True iff FILE is a libtool `.la' library or `.lo' object file.
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# This function is only a basic sanity check; it will hardly flush out
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@@ -1231,7 +1247,7 @@ func_enable_tag "$optarg"
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func_lalib_p ()
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{
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test -f "$1" &&
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- $SED -e 4q "$1" 2>/dev/null \
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+ func_try_sizelim "$1" 4096 | $SED -e 4q 2>/dev/null \
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| $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
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}
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