feat(landerctl): add option to use custom config file

CHANGELOG.md

@@ -18,6 +18,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
         * Better API for adding routes
         * State machine HTTP loop
     * Auomatically support HEAD requests for all GET requests
+* Landerctl
+    * `-c` flag to use custom config file (useful for testing)
 
 ## [0.2.0](https://git.rustybever.be/Chewing_Bever/lander/src/tag/0.2.0)
 

landerctl/landerrc

@@ -0,0 +1,3 @@
+api_key = test
+server_url = http://localhost:18080
+ca_certs_bundle = /etc/ssl/certs/ca-certificates.crt

landerctl/src/main.c

@@ -10,25 +10,56 @@
 #include "landerctl.h"
 
 const char *cfg_file_name = ".landerrc";
-const char *usage = "%s [-SPFsv] arg [key]\n";
+const char *usage = "%s [-SPFsv] [-c CONFIG_FILE] arg [key]\n";
 
 int main(int argc, char **argv) {
   landerctl_ctx ctx = {0};
-  char *err_msg = NULL;
-
-  landerctl_cfg_err parse_res;
 
   const char *home_dir = getenv("HOME");
+  const char *cfg_path;
 
   if (home_dir == NULL) {
-    parse_res = landerctl_cfg_parse(&ctx.cfg, cfg_file_name);
+    cfg_path = cfg_file_name;
   } else {
-    char cfg_path[strlen(home_dir) + strlen(cfg_file_name) + 2];
-    sprintf(cfg_path, "%s/%s", home_dir, cfg_file_name);
-
-    parse_res = landerctl_cfg_parse(&ctx.cfg, cfg_path);
+    // This is a blatant memleak if a custom config file is set, but it really
+    // doesn't matter for a short-lived CLI tool
+    char *buf = malloc(strlen(home_dir) + strlen(cfg_file_name) + 2);
+    sprintf(buf, "%s/%s", home_dir, cfg_file_name);
+    cfg_path = buf;
   }
 
+  opterr = 0;
+  int c;
+
+  while ((c = getopt(argc, argv, "SPFsvc:")) != -1) {
+    switch (c) {
+    case 'S':
+      ctx.mode = landerctl_mode_short;
+      break;
+    case 'P':
+      ctx.mode = landerctl_mode_paste;
+      break;
+    case 'F':
+      ctx.mode = landerctl_mode_file;
+      break;
+    case 's':
+      ctx.secure = true;
+      break;
+    case 'v':
+      ctx.verbose = true;
+      break;
+    case 'c':
+      cfg_path = optarg;
+      break;
+    case '?':
+      printf(usage, argv[0]);
+      exit(2);
+    }
+  }
+
+  char *err_msg = NULL;
+  landerctl_cfg_err parse_res = landerctl_cfg_parse(&ctx.cfg, cfg_path);
+
   switch (parse_res) {
   case landerctl_cfg_err_ok:
     break;
@@ -48,33 +79,6 @@ int main(int argc, char **argv) {
     exit(1);
   }
 
-  opterr = 0;
-
-  int c;
-
-  while ((c = getopt(argc, argv, "SPFsv")) != -1) {
-    switch (c) {
-    case 'S':
-      ctx.mode = landerctl_mode_short;
-      break;
-    case 'P':
-      ctx.mode = landerctl_mode_paste;
-      break;
-    case 'F':
-      ctx.mode = landerctl_mode_file;
-      break;
-    case 's':
-      ctx.secure = true;
-      break;
-    case 'v':
-      ctx.verbose = true;
-      break;
-    case '?':
-      printf(usage, argv[0]);
-      exit(2);
-    }
-  }
-
   if (ctx.mode == landerctl_mode_none) {
     printf("No mode specified.\n\n");
     printf(usage, argv[0]);