luxfetch: stub for a neofetch-like app

Makefile

@@ -13,6 +13,8 @@ all:
 	@make -C ls
 	@echo "\x1B[0;1;35m make\x1B[0m utilities/cat"
 	@make -C cat
+	@echo "\x1B[0;1;35m make\x1B[0m utilities/luxfetch"
+	@make -C luxfetch
 
 install:
 	@mkdir -p out
@@ -30,6 +32,8 @@ install:
 	@make install -C ls
 	@echo "\x1B[0;1;35m make\x1B[0m install utilities/cat"
 	@make install -C cat
+	@echo "\x1B[0;1;35m make\x1B[0m install utilities/luxfetch"
+	@make install -C luxfetch
 
 clean:
 	@echo "\x1B[0;1;35m make\x1B[0m clean utilities/hello"
@@ -45,4 +49,6 @@ clean:
 	@echo "\x1B[0;1;35m make\x1B[0m clean utilities/ls"
 	@make clean -C ls
 	@echo "\x1B[0;1;35m make\x1B[0m clean utilities/cat"
-	@make clean -C cat
+	@make clean -C cat
+	@echo "\x1B[0;1;35m make\x1B[0m clean utilities/luxfetch"
+	@make clean -C luxfetch

luxfetch/Makefile

@@ -0,0 +1,23 @@
+PLATFORM=x86_64-lux
+CCFLAGS=-Wall -c -O3
+LDFLAGS=-llux
+CC=x86_64-lux-gcc
+LD=x86_64-lux-gcc
+SRC:=$(shell find . -type f -name "*.c")
+OBJ:=$(SRC:.c=.o)
+
+all: luxfetch
+
+%.o: %.c
+	@echo "\x1B[0;1;32m cc  \x1B[0m $<"
+	@$(CC) $(CCFLAGS) -o $@ $<
+
+luxfetch: $(OBJ)
+	@echo "\x1B[0;1;93m ld  \x1B[0m luxfetch"
+	@$(LD) $(OBJ) -o luxfetch $(LDFLAGS)
+
+install: luxfetch
+	@cp luxfetch ../out/
+
+clean:
+	@rm -f luxfetch $(OBJ)

luxfetch/luxfetch.c

@@ -0,0 +1,42 @@
+/*
+ * luxOS - a unix-like operating system
+ * Omar Elghoul, 2024
+ * 
+ * luxfetch: neofetch clone for luxOS
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define COLOR       "\e[0;94m"
+#define RESET       "\e[0m"
+
+int main(void) {
+    // get kernel info
+    FILE *f = fopen("/proc/kernel", "r");
+    if(!f) {
+        fprintf(stderr, "unable to open /proc/kernel for reading\n");
+        return -1;
+    }
+
+    fseek(f, 0, SEEK_END);
+    long size = ftell(f);
+    fseek(f, 0, SEEK_SET);
+
+    char *kernel = calloc(1, size+1);
+    if(!kernel) {
+        fprintf(stderr, "failed to allocate memory\n");
+        fclose(f);
+        return -1;
+    }
+
+    if(fread(kernel, 1, size, f) != size) {
+        fprintf(stderr, "failed to read from /proc/kernel\n");
+        fclose(f);
+        return -1;
+    }
+
+    printf("%s\n", kernel);
+    return 0;
+}