feat(landerctl): properly find config file

config.mk

@@ -16,7 +16,7 @@ LIB_DIRS  = ./lsm/build
 #  object file is also recompiled if only a header is changed.
 # -MP: generate a dummy target for every header file (according to the  docs it
 #  prevents some errors when removing header files)
-CFLAGS = -MMD -MP -g
+CFLAGS ?= -MMD -MP -g
 
 # When compiling release builds, these flags are better
 # CLAGS = -O3

landerctl/config.mk

@@ -15,7 +15,7 @@ LIB_DIRS  =
 #  object file is also recompiled if only a header is changed.
 # -MP: generate a dummy target for every header file (according to the  docs it
 #  prevents some errors when removing header files)
-CFLAGS = -MMD -MP -g
+CFLAGS ?= -MMD -MP -g
 
 # When compiling release builds, these flags are better
 # CLAGS = -O3

landerctl/src/main.c

@@ -9,14 +9,27 @@
 
 #include "landerctl.h"
 
-const char *default_cfg_path = ".landerrc";
+const char *cfg_file_name = ".landerrc";
 const char *usage = "%s [-SPFsv] arg [key]\n";
 
 int main(int argc, char **argv) {
   landerctl_ctx ctx = {0};
   char *err_msg = NULL;
 
-  switch (landerctl_cfg_parse(&ctx.cfg, default_cfg_path)) {
+  landerctl_cfg_err parse_res;
+
+  const char *home_dir = getenv("HOME");
+
+  if (home_dir == NULL) {
+    parse_res = landerctl_cfg_parse(&ctx.cfg, 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);
+  }
+
+  switch (parse_res) {
   case landerctl_cfg_err_ok:
     break;
   case landerctl_cfg_err_not_found:

lsm/config.mk

@@ -12,4 +12,4 @@ INC_DIRS = $(PUB_INC_DIR) src/_include
 #  object file is also recompiled if only a header is changed.
 # -MP: generate a dummy target for every header file (according to the  docs it
 #  prevents some errors when removing header files)
-CFLAGS = -MMD -MP -g
+CFLAGS ?= -MMD -MP -g