| |
| |
| |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| |
| #define CMD_FUNC1 "func1" |
| #define CMD_FUNC2 "func2" |
| #define CMD_FUNC3 "func3" |
| |
| #define MAX_BUF_SIZE 128 |
| #define MAX_SOCK_SIZE 1024 |
| #define INDEX_UNKNOWN -1 |
| |
| |
| void func1(int n); |
| void func2(int n); |
| void func3(int n); |
| void commandHandler(void); |
| int commandNum(void); |
| |
| |
| typedef struct |
| { |
| int num; |
| char cmd[MAX_BUF_SIZE]; |
| |
| }CommandData; |
| |
| |
| typedef struct |
| { |
| char *command; |
| void (*command_func)(int); |
| }CommandInfo; |
| |
| |
| static CommandInfo commands[] = { |
| {CMD_FUNC1, &func1}, |
| {CMD_FUNC2, &func2}, |
| {CMD_FUNC3, &func3} |
| }; |
| |
| |
| |
| |
| CommandData gCmdData; |
| |
| int main() |
| { |
| |
| strcpy(gCmdData.cmd, "func3"); |
| gCmdData.num = 23; |
| |
| |
| commandHandler(); |
| |
| return 0; |
| } |
| |
| |
| int commandNum(void) |
| { |
| return sizeof(commands) / sizeof(CommandInfo); |
| } |
| |
| |
| |
| |
| void commandHandler(void) |
| { |
| |
| CommandData *data = &gCmdData; |
| |
| |
| int i; |
| int cmd_bool; |
| int pos = INDEX_UNKNOWN; |
| |
| for (i = 0; i < commandNum(); i++) |
| { |
| cmd_bool = (0 == strncmp(commands[i].command, data->cmd, strlen(commands[i].command))); |
| if (cmd_bool) |
| { |
| pos = i; |
| break; |
| } |
| } |
| |
| if (INDEX_UNKNOWN == pos) |
| { |
| printf("error pos\n"); |
| return; |
| } |
| |
| commands[pos].command_func(data->num); |
| } |
| |
| |
| |
| |
| void func1(int n) |
| { |
| printf("func1: %d\n", n); |
| } |
| |
| void func2(int n) |
| { |
| printf("func2: %d\n", n); |
| } |
| |
| void func3(int n) |
| { |
| printf("func3: %d\n", n); |
| } |
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