1 /* src/client/command_db.c */
3 #include "command_db.h"
4 #include <stddef.h> /* NULL */
5 #include <stdint.h> /* uint8_t, uint32_t */
6 #include <stdio.h> /* FILE */
7 #include <stdlib.h> /* free() */
8 #include <string.h> /* memcpy(), strlen(), strtok(), strcmp() */
9 #include "../common/readwrite.h" /* try_fopen(), try_fclose(), try_fgets()
12 #include "../common/rexit.h" /* for exit_err() */
13 #include "../common/try_malloc.h" /* try_malloc() */
14 #include "cleanup.h" /* set_cleanup_flag() */
15 #include "world.h" /* global world */
20 /* Point "ch_ptr" to next strtok() string in "line" delimited by "delim".*/
21 static void copy_tokenized_string(char * line, char ** ch_ptr, char * delim);
25 static void copy_tokenized_string(char * line, char ** ch_ptr, char * delim)
27 char * f_name = "copy_tokenized_string()";
28 char * dsc_ptr = strtok(line, delim);
29 * ch_ptr = try_malloc(strlen(dsc_ptr) + 1, f_name);
30 memcpy(* ch_ptr, dsc_ptr, strlen(dsc_ptr) + 1);
35 extern struct Command * get_command(char * dsc_short)
37 struct Command * cmd_ptr = world.commandDB.cmds;
39 while (i < world.commandDB.n)
41 if (0 == strcmp(dsc_short, cmd_ptr->dsc_short))
45 cmd_ptr = &cmd_ptr[1];
48 char * err_start = "get_command_data() failed on request for: ";
49 char err[strlen(err_start) + strlen(dsc_short) + 1];
50 sprintf(err, "%s%s", err_start, dsc_short);
51 exit_err(i == world.commandDB.n, err);
57 extern void init_command_db()
59 char * f_name = "init_command_db()";
60 FILE * file = try_fopen(world.path_commands, "r", f_name);
62 uint32_t linemax = textfile_sizes(file, &lines);
63 char line[linemax + 1];
66 while (try_fgets(line, linemax + 1, file, f_name))
68 if ('\n' == line[0] || 0 == line[0])
73 copy_tokenized_string(line, &cmd.dsc_short, delim);
74 copy_tokenized_string(NULL, &cmd.server_msg, delim);
75 if (!strcmp("0", cmd.server_msg))
76 { /* A .server_msg == NULL helps control.c's */
77 free(cmd.server_msg); /* try_key() and try_server_command() to */
78 cmd.server_msg = NULL; /* differentiate server commands from */
79 } /* non-server commands. */
80 char * arg_string = strtok(NULL, delim);
81 cmd.arg = arg_string[0];
82 copy_tokenized_string(NULL, &cmd.dsc_long, "\n");
83 array_append(i, sizeof(struct Command), (void *) &cmd,
84 (void **) &world.commandDB.cmds);
87 try_fclose(file, f_name);
88 world.commandDB.n = i;
89 set_cleanup_flag(CLEANUP_COMMANDS);
94 extern void free_command_db()
97 while (i < world.commandDB.n)
99 free(world.commandDB.cmds[i].dsc_short);
100 free(world.commandDB.cmds[i].dsc_long);
101 free(world.commandDB.cmds[i].server_msg);
104 free(world.commandDB.cmds);