build system work

README.md

@@ -1,6 +1,6 @@
 # micro-utils
 [Compile]
-	cc builder.c -obuilder
+	cc builder.c -Ilibmu -obuilder
 	./builder
 
 [or]

build.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
-cc builder.c -Wall -Wextra -Os -s -pedantic -obuilder
+cc builder.c -Wall -Wextra -Os -s -pedantic -Ilibmu -obuilder
 ./builder && rm builder

builder.c

@@ -1,7 +1,79 @@
 #include <stdio.h>
+#include <errno.h>
 #include <dirent.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "make_path.h"
 #include "config.h"
 
+void remove_suffix(char *base, const char *suffix) {
+	char *ptr = base + strlen(base) - strlen(suffix);
+	if (!strcmp(ptr, suffix))
+		*ptr = '\0';
+}
+
+char *MakePath(char *src) {
+	char *dup = strdup(src);
+	if (dup == NULL) {
+		fprintf(stderr, "builder: strdup failed");
+		exit(1);
+	}
+
+	remove_suffix(dup, ".c");
+	char *new_path = mu_make_path("builder", "../bin", dup);
+	if (new_path == NULL) {
+		free(dup);
+		exit(1);
+	}
+
+	free(dup);
+	return new_path;
+}
+
+void Compile(char *src) {
+	char *path = MakePath(src);
+
+	size_t len = strlen(CC) + strlen(CFLAGS) + strlen(src) + strlen(path) + 7;
+	char *arg = malloc(len + 1);
+	if (arg == NULL) {
+		free(path);
+		fprintf(stderr, "builder: malloc failed");
+		exit(1);
+	}
+
+	snprintf(arg, len, "%s %s %s -o %s", CC, CFLAGS, src, path);
+	system(arg);
+
+	free(arg);
+	free(path);
+}
+
+void ListAndCompile(const char *dir) {
+	chdir(dir);
+	DIR *dp = opendir(".");
+	if (dp == NULL) {
+		fprintf(stderr, "builder: %s\n", strerror(errno));
+		exit(1);
+	}
+
+	struct dirent *ep;
+	while ((ep = readdir(dp)) != NULL) {
+		if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
+			continue;
+
+		printf("[INFO] Building %s\n", ep->d_name);
+		Compile(ep->d_name);
+
+	}
+
+	closedir(dp);
+	chdir("..");
+}
+
 int main(void) {
+	for (size_t i = 0; i < sizeof(objects) / sizeof(char *); i++)
+		ListAndCompile(objects[i]);
+
 	return 0;
 }

config.h

@@ -9,6 +9,6 @@ const char *objects[] = {
 	"shell"
 };
 
-#define CFLAGS "-Wall -Wextra -pedantic -Os -s"
+#define CFLAGS "-Wall -Wextra -pedantic -Os -s -I ../libmu"
 #define CC "cc"
 #endif

coreutils/shred.c

@@ -59,7 +59,7 @@ int main(const int argc, const char **argv) {
 		else if (!strcmp(argv[i], "-z"))
 			z_flag = 1;
 
-		else if (!strncmp(argv[i], "-n=", 3)
+		else if (!strncmp(argv[i], "-n=", 3))
 			n_loops = atoi(argv[i] + 3);
 
 		else if (!strcmp(argv[i], "--help")) {