1 #ifdef __unix__

2

3 #include <stdio.h>

4 #include <stdlib.h>

5 #include <string.h>

6 #include <unistd.h>

7 #include <pwd.h>

8 #include "datapath.h"

9 #include "sysu_impl.h"

10

11 int sysu_impl_getdir(enum sysu_dir_type type, char *buf, int sz)

12 {

13 switch(type) {

14 case SYSU_DATA_DIR:

15 if(sysu_state.appname && sysu_state.prefix) {

16 return snprintf(buf, sz, "%s/share/%s", sysu_state.prefix, sysu_state.appname);

17 }

18 break;

19

20 case SYSU_STORAGE_DIR:

21 case SYSU_CONFIG_DIR:

22 if(sysu_state.appname) {

23 int homelen = sysu_impl_getdir(SYSU_HOME_DIR, buf, sz);

24 return homelen + snprintf(buf + homelen, sz - homelen, "/.config/%s", sysu_state.appname);

25 }

26 break;

27

28 case SYSU_TMP_DIR:

29 strncpy(buf, "/tmp", sz - 1);

30 return 4;

31

32 case SYSU_HOME_DIR:

33 {

34 struct passwd pwd, *res;

35 char tmp[512], *home;

36 getpwuid_r(getuid(), &pwd, tmp, sizeof tmp, &res);

37 if(res) {

38 home = pwd.pw_dir;

39 } else {

40 home = getenv("HOME");

41 }

42 if(home) {

43 strncpy(buf, home, sz - 1);

44 return strlen(buf);

45 }

46 }

47 break;

48

49 case SYSU_CURRENT_DIR:

50 return strlen(getcwd(buf, sz));

51 }

52

53 /* failed, return an empty path */

54 *buf = 0;

55 return 0;

56 }

57

58 #endif