some error messages

3 files changed, 14 insertions, 4 deletions

diff --git a/src/globals.h b/src/globals.h
index b9d6e0c..0dbd723 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -3,6 +3,7 @@
 
 #include <assert.h>
 #include <ctype.h>
+#include <errno.h>
 #include <signal.h>
 #include <stdbool.h>
 #include <stdint.h>
diff --git a/src/load.c b/src/load.c
index 70c7774..2e00b51 100644
--- a/src/load.c
+++ b/src/load.c
@@ -95,9 +95,14 @@ void load_portfolio(struct player_t *player, const char *filename)
     FILE *f = fopen(filename, "rb");
 
     char magic[MAGIC_LEN];
-    if(!f || ck_read(magic, 1, sizeof(magic), f) != 6 || memcmp(magic, SAVE_MAGIC, sizeof(magic)) != 0)
+    if(!f)
     {
-        fail("Failed to load save.");
+        fail("Failed to load save: %s", strerror(errno));
+    }
+
+    if(ck_read(magic, 1, sizeof(magic), f) != 6 || memcmp(magic, SAVE_MAGIC, sizeof(magic)) != 0)
+    {
+        fail("Failed to load save: Invalid file signature");
     }
 
     player->cash.cents = read_be64(f);
diff --git a/src/util.c b/src/util.c
index 64edb45..dc4fcfb 100644
--- a/src/util.c
+++ b/src/util.c
@@ -75,8 +75,7 @@ bool get_stock_info(char *symbol, struct money_t *price, char **name_ret)
 
     if(res != CURLE_OK || buf.data[0] != '"')
     {
-        output("Failed querying information for '%s'.\n", symbol);
-        return false;
+        fail("Failed to query information for '%s'.\n", symbol);
     }
 
     /* null-terminate buffer */
@@ -329,6 +328,11 @@ uint parse_args(int argc, char *argv[], char **port_file)
                 {
                     break;
                 }
+                else
+                {
+                    output("Unrecognized option '%s'\nTry %s --help for more information.\n", arg, argv[0]);
+                    ret |= ARG_FAILURE;
+                }
             }
             else
             {