4 files changed, 51 insertions, 10 deletions
diff --git a/.gitignore b/.gitignore
index 85d0bbc..cd106a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 bin/
+obj/
 lib/
diff --git a/README.md b/README.md
index 3d40b34..49c0470 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Ungrateful
 
-C99 standard library for game development.
+C99 standard libraries for game development.
 
 # Note:
 
@@ -14,7 +14,28 @@ Only core features of C99 were used:
 
 # TODO:
 
-- File IO.
-- Memory allocation.
-- Threading.
-- Strings.
++ Memory allocation;
++ Strings;
+- compressing algorithms;
+- Wide strings;
+- vecs/ivec;
+- matrix;
+- splines (qubic);
+- easing;
+- Quaternions;
+- noise;
+- random;
+- sorting;
+- raycasting;
+- sorting;
+
+# Serf
+- Library loading;
+- Threading;
+- non-blocking logging;
+- Clocks;
+- File IO;
+- Configurations;
+
+
+- Internal, compressable filesystem for speeding up IO work;
diff --git a/build.sh b/build.sh
index 4cf5e42..7984d22 100755
--- a/build.sh
+++ b/build.sh
@@ -2,23 +2,33 @@
 
 cc="gcc"
 ld="gcc"
+ar="ar"
+
+proc=$(nproc)
 
 rm -rf ./lib/
 rm -rf ./bin/
+rm -rf ./obj/
 mkdir ./lib/
 mkdir ./bin/
+mkdir ./obj/
+
+echo "[BUILD] ungrateful.c"
 
-echo "[BUILD] entry.c"
+cflags="-std=c99 -fPIC -Wall -Wextra -g -Wno-error -pedantic"
 
-cflags="-std=c99 -Wall -Wextra -g -Wno-error -pedantic"
 $cc $cflags \
-    -c -o lib/ungrateful.o \
+    -c -o obj/ungrateful.o \
     -g src/ungrateful.c
 
 if [[ $? -ne 0 ]]; then
     exit
 fi
 
+$ar rcs lib/libungrateful.a obj/ungrateful.o
+
+# ------------ Tests from here
+#
 if [[ $1 == "no_tests" ]]; then
     exit
 fi
@@ -31,9 +41,16 @@ for test in tests/*.c; do
 
     echo "[BUILD] $test"
 
-    $cc $cflags -o bin/$fname $test lib/ungrateful.o -Isrc/
+    $cc $cflags -o bin/$fname $test -Llib/ -Isrc/ -lungrateful &
+
+    if [[ $(jobs -r -p | wc -l) -ge $proc ]]; then
+        wait
+    fi
 done
 
+wait
+echo
+
 for case in bin/*; do
     if [[ $1 == "quiet" ]]; then
         $case > /dev/null 2>&1
diff --git a/src/un_strings.c b/src/un_strings.c
index 1499726..7d73d0b 100644
--- a/src/un_strings.c
+++ b/src/un_strings.c
@@ -322,6 +322,7 @@ String un_string_format(Allocator alloc, String buffer, ...) {
     String s;
     List output;
     s64 i, j;
+    u32 b;
 
     Allocator talloc = un_allocator_get_temporary();
     output = un_list_create(UN_KB(1), sizeof(u8), talloc);
@@ -339,9 +340,10 @@ String un_string_format(Allocator alloc, String buffer, ...) {
             {
                 un_list_append(&output, buffer.data + i);
             } break;
+
             case 'c':
             {
-                u32 b = va_arg(args, u32);
+                b = va_arg(args, u32);
                 un_list_append(&output, &b);
             } break;