refactor the actual fetch into another file

include/fetch.h

@@ -0,0 +1,8 @@
+#ifndef _MODFETCH_FETCH_H
+#define _MODFETCH_FETCH_H
+
+#include <config.h>
+
+void fetch(Config config);
+
+#endif // _MODFETCH_FETCH_H

src/fetch.c

@@ -0,0 +1,38 @@
+#include <fetch.h>
+
+#include <mod.h>
+#include <semver.h>
+
+#include <dlfcn.h>
+#include <stdlib.h>
+
+void fetch(Config config) {
+    for (size_t i = 0; i < config.module_count; ++i) {
+        Module current_module = config.modules[i];
+        void *handle = dlopen(current_module.path, RTLD_NOW);
+        if (handle == NULL) {
+            fprintf(stderr, "error: failed opening module %s\n", current_module.path);
+            fprintf(stderr, "%s\n", dlerror());
+            exit(EXIT_FAILURE);
+        }
+        dlerror();
+
+        // stupid fucking c standard issue
+        // I'm not fixing this
+        // https://stackoverflow.com/questions/14134245/iso-c-void-and-function-pointers
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpedantic"
+        semver (*mod_version)(void) = dlsym(handle, "version");
+        const char *(*mod_name)(void) = dlsym(handle, "name");
+        const char *(*mod_get)(void) = dlsym(handle, "get");
+        void (*mod_init)(semver, char**) = dlsym(handle, "init");
+#pragma GCC diagnostic pop
+
+        mod_init(API_VERSION, current_module.config);
+
+        (void)mod_name;
+        (void)mod_version;
+        // printf("%s: %s\n", mod_name(), svtoa(mod_version()));
+        printf("%s\n", mod_get());
+    }
+}

src/main.c

@@ -0,0 +1,65 @@
+#include <config.h>
+#include <fetch.h>
+#include <mod.h>
+#include <semver.h>
+#include <util.h>
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <wordexp.h>
+
+static const char *PNAME = "modfetch";
+
+static const semver VERSION = {
+    .major = 0,
+    .minor = 1,
+    .patch = 0,
+};
+
+int main(int argc, char *argv[]) {
+
+    char *config_path = default_config_path();
+
+    for (size_t i = 1; i < (size_t)argc; ++i) {
+        if (strcmp(argv[i], "-c") == 0 || strcmp(argv[i], "--config") == 0) {
+            if (i == (size_t)argc - 1) {
+                fprintf(stderr, "error: no config path passed\n");
+                exit(EXIT_FAILURE);
+            }
+
+            i += 1;
+            config_path = argv[i];
+            continue;
+        }
+
+        if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {
+            fprintf(stderr, "%s: modular fetch [%s]\n", PNAME, svtoa(VERSION));
+            fprintf(stderr, "\n");
+            fprintf(stderr, "OPTIONS\n");
+            fprintf(stderr, "\t-h, --help\t\t\tdisplays this help text\n");
+            fprintf(stderr, "\t-c, --config /path/to/config\tchanges config path from the default ($XDG_CONFIG_HOME/%s.conf)\n", PNAME);
+            exit(EXIT_SUCCESS);
+        }
+    }
+
+    FILE *config_file = fopen(config_path, "r");
+
+    if (config_file == NULL) {
+        fprintf(stderr, "error: failed to open config at: %s\n", config_path);
+        exit(EXIT_FAILURE);
+    }
+
+    Config config = parse_config(config_file);
+
+    fclose(config_file);
+    free(config_path);
+
+    fetch(config);
+
+    return 0;
+}