tint2: fix the creation of a default config in user directory

tint2/.signature

@@ -1,6 +1,6 @@
 untrusted comment: verify with /etc/ports/contrib.pub
-RWSagIOpLGJF38HkN0uJM0b3NhJJOJ2QEGQ94X7IpUDVwWLz9IAs8YR9lQuA1cfGk/Q5lL8/zhAl2pVh3/mfoNCPe5dMqd0iDQ0=
-SHA256 (Pkgfile) = 374b03035a4cecf9d053799797ef69022f626746eeb7127171137e63c6d4cc6b
+RWSagIOpLGJF37C5g70iWMdw8EeHDmqky75/59Q9xzMnpEHBFSa5v/pTAwevoFAf9JLs1SRUlDgZA+310sbpAeqBFbqD38cE3ww=
+SHA256 (Pkgfile) = 996b52426f164eca36338d32e2f64323c95b39b495fc8d9fc12dd7be7597f220
 SHA256 (.footprint) = b746628a98545b6c2444ccae628c80abc67c9ec030f83ac4837870fc89d3aa54
 SHA256 (tint2-17.1.3.tar.bz2) = d49103d60a8753fa5e808e57f4cc028f677009a3594eb0f64dcfdc6d2b96e33c
 SHA256 (tint2-glib.patch) = 7e1b68ae24efd0c394270d55dd0237c2777b526e10b37198991b483b634b8424

tint2/Pkgfile

@@ -9,18 +9,26 @@ release=2
 source=(https://gitlab.com/nick87720z/$name/-/archive/$version/$name-$version.tar.bz2 $name-glib.patch)
 
 build() {
-	patch -p1 -d $name-$version -i $SRC/$name-glib.patch
+    patch -p1 -d $name-$version -i $SRC/$name-glib.patch
 
-	cmake -S $name-$version -B build -G Ninja \
-		-D CMAKE_INSTALL_PREFIX=/usr \
-		-D CMAKE_BUILD_TYPE=Release \
-		-D CMAKE_CXX_FLAGS_RELEASE="$CXXFLAGS" \
-		-D CMAKE_C_FLAGS_RELEASE="$CFLAGS" \
-		-D ENABLE_TINT2CONF=OFF \
-		-Wno-dev
+    # fix an off-by-two error in the pointer arithmetic, stemming from
+    # upstream commit 120f72a77e8e73398dc5334848b23ee1ae13dd94.
+    # This commit introduced the abstraction strlen_const(stuff) to replace
+    # sizeof(stuff) - 1, but failed to apply the distributive law when
+    # doing the subtraction to calculate dir_end.
+    sed -e "/dir_end = userpath/s/);/) - 2;/" \
+        -i $name-$version/src/config.c
 
-	ninja -C build -j ${JOBS:-1}
-	DESTDIR=$PKG ninja -C build install
+    cmake -S $name-$version -B build -G Ninja \
+        -D CMAKE_INSTALL_PREFIX=/usr \
+        -D CMAKE_BUILD_TYPE=Release \
+        -D CMAKE_CXX_FLAGS_RELEASE="$CXXFLAGS" \
+        -D CMAKE_C_FLAGS_RELEASE="$CFLAGS" \
+        -D ENABLE_TINT2CONF=OFF \
+        -Wno-dev
 
-	rm -r $PKG/{etc,usr/share/doc}
+    ninja -C build -j ${JOBS:-1}
+    DESTDIR=$PKG ninja -C build install
+
+    rm -r $PKG/{etc,usr/share/doc}
 }