X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fcommand_db.c;h=d89319df70014332f1a663e6fcf3abaabec7d782;hb=550d22ec0c3f530f5d317746f3f7e75251a1de4b;hp=cbf6959e87322ff24a9a2d7e392160482450332f;hpb=58f0067336c9239750009b3f35d18031bec8f7b5;p=plomrogue

diff --git a/src/command_db.c b/src/command_db.c
index cbf6959..d89319d 100644
--- a/src/command_db.c
+++ b/src/command_db.c
@@ -1,30 +1,64 @@
 /* command.c */
 
 #include "command_db.h"
-#include <stdlib.h> /* for malloc() */
-#include <stdio.h> /* for FILE typedef, fopen(), fclose(), fgets() */
+#include <stdlib.h> /* for free() */
+#include <stdio.h> /* for FILE typedef, fgets() */
 #include <stdint.h> /* for uint8_t */
 #include <string.h> /* for strlen(), strtok() */
 #include "main.h" /* for World struct */
 #include "rexit.h" /* for exit_err() */
-#include "misc.h" /* for textfile_sizes() */
+#include "readwrite.h" /* for textfile_sizes(), try_fopen(), try_fclose() */
+#include "misc.h" /* for try_malloc() */
 
 
 
-/* Build string pointed to by "ch_ptr" from next token delimited by "delim",
- * exit_err() with "err" as error message on malloc() failure.
- */
-static void copy_tokenized_string(struct World * world,
-                                 char ** ch_ptr, char * delim, char * err)
+/* Build string pointed to by "ch_ptr" from next token delimited by "delim". */
+static void copy_tokenized_string(struct World * world, char ** ch_ptr,
+                                  char * delim)
 {
+    char * f_name = "copy_tokenized_string()";
     char * dsc_ptr = strtok(NULL, delim);
-    * ch_ptr = malloc(strlen(dsc_ptr) + 1);
-    exit_err(NULL == * ch_ptr, world, err);
+    * ch_ptr = try_malloc(strlen(dsc_ptr) + 1, world, f_name);
     memcpy(* ch_ptr, dsc_ptr, strlen(dsc_ptr) + 1);
 }
 
 
 
+extern uint8_t is_command_id_shortdsc(struct World * world,
+                                      uint8_t id, char * shortdsc)
+{
+    struct Command * cmd_ptr = world->cmd_db->cmds;
+    while (1)
+    {
+        if (id == cmd_ptr->id)
+        {
+            if (strcmp(shortdsc, cmd_ptr->dsc_short))
+            {
+                return 0;
+            }
+            return 1;
+        }
+        cmd_ptr = &cmd_ptr[1];
+    }
+}
+
+
+
+extern uint8_t get_command_id(struct World * world, char * dsc_short)
+{
+    struct Command * cmd_ptr = world->cmd_db->cmds;
+    while (1)
+    {
+        if (0 == strcmp(dsc_short, cmd_ptr->dsc_short))
+        {
+            return cmd_ptr->id;
+        }
+        cmd_ptr = &cmd_ptr[1];
+    }
+}
+
+
+
 extern char * get_command_longdsc(struct World * world, char * dsc_short)
 {
     struct Command * cmd_ptr = world->cmd_db->cmds;
@@ -42,29 +76,34 @@ extern char * get_command_longdsc(struct World * world, char * dsc_short)
 
 extern void init_command_db(struct World * world)
 {
-    char * err = "Trouble in init_cmds() with fopen() on file 'commands'.";
-    FILE * file = fopen("config/commands", "r");
-    exit_err(NULL == file, world, err);
+    char * f_name = "init_command_db()";
+    char * err_s = "Trouble in init_cmds() with textfile_sizes().";
+
+    char * path = "config/commands";
+    FILE * file = try_fopen(path, "r", world, f_name);
     uint16_t lines, linemax;
-    textfile_sizes(file, &linemax, &lines);
-    err = "Trouble in init_cmds() with malloc().";
-    char * line = malloc(linemax);
-    exit_err(NULL == line, world, err);
-    struct Command * cmds = malloc(lines * sizeof(struct Command));
-    exit_err(NULL == line, world, err);
+    exit_err(textfile_sizes(file, &linemax, &lines), world, err_s);
+    char line[linemax + 1];
+
+    struct Command * cmds = try_malloc(lines * sizeof(struct Command),
+                                       world, f_name);
     uint8_t i = 0;
-    while (fgets(line, linemax, file))
+    while (fgets(line, linemax + 1, file))
     {
+        if ('\n' == line[0] || 0 == line[0])
+        {
+            break;
+        }
         cmds[i].id = atoi(strtok(line, " "));
-        copy_tokenized_string(world, &cmds[i].dsc_short, " ", err);
-        copy_tokenized_string(world, &cmds[i].dsc_long, "\n", err);
+        copy_tokenized_string(world, &cmds[i].dsc_short, " ");
+        copy_tokenized_string(world, &cmds[i].dsc_long, "\n");
         i++;
     }
-    world->cmd_db = malloc(sizeof(struct CommandDB));
+    try_fclose(file, world, f_name);
+
+    world->cmd_db = try_malloc(sizeof(struct CommandDB), world, f_name);
     world->cmd_db->cmds = cmds;
     world->cmd_db->n = lines;
-    err = "Trouble in init_cmds() with fclose() on file 'commands'.";
-    exit_err(fclose(file), world, err);
 }