Example of the various ways to interface with an Eet File
1 //Compile with:
2 // gcc -o eet-file eet-file.c `pkg-config --cflags --libs eet`
3 
4 #include <Eet.h>
5 #include <stdio.h>
6 #include <string.h>
7 
8 static int
9 create_eet_file(void)
10 {
11  Eet_File *ef;
12  char buf[1024], *ptr;
13  int size, len, i;
14  const char *some_strings[] = {
15  "And some more strings",
16  "spread across several",
17  "elements of an array!"
18  };
19  const char some_data[] =
20  "\x1e\xe7\x0f\x42\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x35"
21  "\x00\x00\x00\xa0\x00\x00\x00\xa0\x00\x00\x00\x24\x00\x00\x00\x11"
22  "\x00\x00\x00\x00\x2f\x6d\x69\x73\x74\x65\x72\x69\x6f\x75\x73\x2f"
23  "\x64\x61\x74\x61\x00\x41\x6e\x20\x45\x45\x54\x20\x69\x6e\x73\x69"
24  "\x64\x65\x20\x6f\x66\x20\x61\x6e\x20\x45\x45\x54\x21\x0a\x54\x68"
25  "\x69\x73\x20\x77\x61\x73\x6e\x27\x74\x20\x72\x65\x61\x6c\x6c\x79"
26  "\x20\x75\x73\x65\x66\x75\x6c\x20\x62\x75\x74\x20\x69\x74\x20\x68"
27  "\x65\x6c\x70\x65\x64\x20\x74\x6f\x20\x73\x68\x6f\x77\x20\x68\x6f"
28  "\x77\x0a\x74\x6f\x20\x75\x73\x65\x20\x65\x65\x74\x5f\x6d\x65\x6d"
29  "\x6f\x70\x65\x6e\x5f\x72\x65\x61\x64\x28\x29\x20\x74\x6f\x20\x6f"
30  "\x70\x65\x6e\x20\x61\x6e\x20\x65\x65\x74\x20\x66\x69\x6c\x65\x20"
31  "\x66\x72\x6f\x6d\x0a\x64\x61\x74\x61\x20\x61\x6c\x72\x65\x61\x64"
32  "\x79\x20\x6c\x6f\x61\x64\x65\x64\x20\x69\x6e\x20\x6d\x65\x6d\x6f"
33  "\x72\x79\x2e\x0a\x00";
34 
35  ef = eet_open("/tmp/my_file.eet", EET_FILE_MODE_WRITE);
36  if (!ef) return 0;
37 
38  strcpy(buf, "Here is a string of data to save!");
39  size = eet_write(ef, "/key/to_store/at", buf, sizeof(buf), 1);
40  if (!size)
41  {
42  fprintf(stderr, "Error writing data!\n");
43  eet_close(ef);
44  return 0;
45  }
46  len = strlen(buf);
47  printf("strlen() = %d, eet_write() = %d\n", len, size);
48 
49  ptr = buf;
50  for (i = 0; i < 3; i++)
51  {
52  len = strlen(some_strings[i]) + 1;
53  memcpy(ptr, some_strings[i], len);
54  ptr += len;
55  }
56  eet_write(ef, "/several/strings", buf, sizeof(buf), 1);
57  eet_sync(ef);
58 
59  eet_write(ef, "/some/mysterious/data", some_data, sizeof(some_data) - 1, 1);
60 
61  eet_delete(ef, "/several/strings");
62 
63  return eet_close(ef) == EET_ERROR_NONE;
64 }
65 
66 int
67 main(void)
68 {
69  Eet_File *ef;
70  char *ret, **list;
71  int size, num, i;
72 
73  eet_init();
74 
75  if (!create_eet_file())
76  return -1;
77 
78  ef = eet_open("/tmp/my_file.eet", EET_FILE_MODE_READ);
79  if (!ef) return -1;
80 
81  list = eet_list(ef, "*", &num);
82  if (list)
83  {
84  for (i = 0; i < num; i++)
85  printf("Key stored: %s\n", list[i]);
86  free(list);
87  }
88 
89  ret = eet_read(ef, "/key/to_store/at", &size);
90  if (ret)
91  {
92  printf("Data read (%i bytes):\n%s\n", size, ret);
93  free(ret);
94  }
95 
96  ret = eet_read(ef, "/several/strings", &size);
97  if (ret)
98  {
99  printf("More data read (%i bytes):\n%s\n", size, ret);
100  free(ret);
101  }
102 
103  ret = eet_read(ef, "/some/mysterious/data", &size);
104  if (ret)
105  {
106  Eet_File *ef2;
107 
108  ef2 = eet_memopen_read(ret, size);
109 
110  num = eet_num_entries(ef2);
111  printf("Mysterious data has %d entries\n", num);
112 
113  printf("Mysterious data:\n%s\n",
114  (char *)eet_read_direct(ef2, "/mysterious/data", NULL));
115 
116  eet_close(ef2);
117 
118  free(ret);
119  }
120 
121  eet_close(ef);
122 
123  eet_shutdown();
124 
125  return 0;
126 }
127 
eet_close
EAPI Eet_Error eet_close(Eet_File *ef)
Closes an eet file handle and flush pending writes.
Definition: eet_lib.c:1899
eet_read_direct
const EAPI void * eet_read_direct(Eet_File *ef, const char *name, int *size_ret)
Reads a specified entry from an eet file and return data.
Definition: eet_lib.c:2014
eet_memopen_read
EAPI Eet_File * eet_memopen_read(const void *data, size_t size)
Definition: eet_lib.c:1387
EET_FILE_MODE_READ
File is read-only.
Definition: Eet.h:475
EET_FILE_MODE_WRITE
File is write-only.
Definition: Eet.h:476
Eet.h
The file that provides the eet functions.
eet_delete
EAPI int eet_delete(Eet_File *ef, const char *name)
Deletes a specified entry from an Eet file being written or re-written.
Definition: eet_lib.c:2502
eet_sync
EAPI Eet_Error eet_sync(Eet_File *ef)
Syncs content of an eet file handle, flushing pending writes.
Definition: eet_lib.c:651
eet_list
EAPI char ** eet_list(Eet_File *ef, const char *glob, int *count_ret)
Lists all entries in eet file matching shell glob.
Definition: eet_lib.c:2573
eet_read
EAPI void * eet_read(Eet_File *ef, const char *name, int *size_ret)
Reads a specified entry from an eet file and return data.
Definition: eet_lib.c:2006
eet_init
EAPI int eet_init(void)
Initializes the EET library.
Definition: eet_lib.c:540
eet_num_entries
EAPI int eet_num_entries(Eet_File *ef)
Returns the number of entries in the specified eet file.
Definition: eet_lib.c:2657
Eet_File
struct _Eet_File Eet_File
Definition: Eet.h:523
EET_ERROR_NONE
No error, it's all fine!
Definition: Eet.h:198
eet_open
EAPI Eet_File * eet_open(const char *file, Eet_File_Mode mode)
Opens an eet file on disk, and returns a handle to it.
Definition: eet_lib.c:1499
eet_shutdown
EAPI int eet_shutdown(void)
Shuts down the EET library.
Definition: eet_lib.c:594
eet_write
EAPI int eet_write(Eet_File *ef, const char *name, const void *data, int size, int compress)
Write a specified entry to an eet file handle.
Definition: eet_lib.c:2492