big refactor of pretty much everything

I still need to make the Makefile better as it's pretty shit right now
but it's alright for now I think

Makefile

@@ -6,16 +6,20 @@ CFLAGS += -Wcast-qual -Wswitch-default -Wswitch-enum
 CFLAGS += -Wconversion -Wunreachable-code
 # for asprintf() and getline()
 CFLAGS += -D_GNU_SOURCE
+CFLAGS += -Iinclude
 LDFLAGS =
 
 NAME = modfetch
 
-PROG = modfetch.c
-LIB = config.c semver.c util.c
-OBJ = $(PROG:.c=.o) $(LIB:.c=.o)
+SRC = src
+_PROG = modfetch.c
+PROG = $(addprefix $(SRC)/, $(_PROG))
+_LIB = config.c semver.c util.c
+LIB = $(addprefix $(SRC)/, $(_LIB))
+OBJ = $(_PROG:.c=.o) $(_LIB:.c=.o)
 BIN = target
-TEMPMOD = $(wildcard modules/*.c)
-MOD = $(TEMPMOD:modules/%=%)
+_MOD = $(wildcard modules/*.c)
+MOD = $(_MOD:modules/%=%)
 
 .PHONY: all clean
 
@@ -32,7 +36,7 @@ $(NAME): $(OBJ)
 %.so: modules/%.c $(LIB)
 	$(CC) $^ -shared -fPIC $(CFLAGS) $(LDFLAGS) -o $(BIN)/$@
 
-%.o: %.c
+%.o: src/%.c
 	$(CC) -c $< $(CFLAGS) -o $(BIN)/$@
 
 clean: clean_modules

include/config.h

@@ -16,7 +16,7 @@ typedef struct {
     Module *modules;
 } Config;
 
-char *default_config_path();
+char *default_config_path(void);
 
 void parsing_error(size_t line);
 

include/mod.h

@@ -1,7 +1,8 @@
 #ifndef _MODFETCH_MOD_H
 #define _MODFETCH_MOD_H
 
-#include "semver.h"
+#include <semver.h>
+
 #include <stdint.h>
 
 static const semver API_VERSION = {

modules/desktop.c

@@ -4,7 +4,8 @@
  * 09 Feb 2024
  */
 
-#include "../mod.h"
+#include <mod.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 

modules/os.c

@@ -4,7 +4,8 @@
  * 09 Feb 2024
  */
 
-#include "../mod.h"
+#include <mod.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

modules/sep.c

@@ -8,7 +8,8 @@
  * 09 Feb 2024
  */
 
-#include "../mod.h"
+#include <mod.h>
+
 #include <string.h>
 #include <stdlib.h>
 

src/config.c

@@ -1,5 +1,7 @@
-#include "config.h"
-#include "util.h"
+#include <config.h>
+
+#include <util.h>
+
 #include <errno.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -7,7 +9,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-char *default_config_path() {
+char *default_config_path(void) {
     char *config_path = NULL;
 
     char *config_dir = getenv("XDG_CONFIG_HOME");

src/modfetch.c

@@ -1,7 +1,7 @@
-#include "config.h"
-#include "mod.h"
-#include "semver.h"
-#include "util.h"
+#include <config.h>
+#include <mod.h>
+#include <semver.h>
+#include <util.h>
 
 #include <ctype.h>
 #include <dlfcn.h>

src/semver.c

@@ -1,4 +1,5 @@
-#include "semver.h"
+#include <semver.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 

src/util.c

@@ -1,4 +1,5 @@
-#include "util.h"
+#include <util.h>
+
 #include <ctype.h>
 #include <stdbool.h>
 #include <stdlib.h>