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-rw-r--r--core/Messenger.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/core/Messenger.c b/core/Messenger.c
index 1df49d2a..ede8f718 100644
--- a/core/Messenger.c
+++ b/core/Messenger.c
@@ -52,7 +52,6 @@ static uint16_t self_statusmessage_len;
52static USERSTATUS self_userstatus; 52static USERSTATUS self_userstatus;
53 53
54static Friend *friendlist; 54static Friend *friendlist;
55static uint32_t numallocated;
56static uint32_t numfriends; 55static uint32_t numfriends;
57 56
58 57
@@ -60,18 +59,13 @@ static uint32_t numfriends;
60 0 if we are offline 59 0 if we are offline
61 static uint8_t online; */ 60 static uint8_t online; */
62 61
63/* double the size of the friend list 62/* set the size of the friend list to numfriends
64 return -1 if realloc fails */ 63 return -1 if realloc fails */
65int realloc_friendlist(void) { 64int realloc_friendlist(uint32_t num) {
66 if (numallocated == 0) 65 Friend *newfriendlist = realloc(friendlist, num*sizeof(Friend));
67 numallocated = 1; /* initial size */
68 else
69 numallocated *= 2; /* double each time */
70
71 Friend *newfriendlist = realloc(friendlist, numallocated*sizeof(Friend));
72 if (newfriendlist == NULL) 66 if (newfriendlist == NULL)
73 return -1; 67 return -1;
74 68 memset(&newfriendlist[num-1], 0, sizeof(Friend));
75 friendlist = newfriendlist; 69 friendlist = newfriendlist;
76 return 0; 70 return 0;
77} 71}
@@ -134,8 +128,7 @@ int m_addfriend(uint8_t *client_id, uint8_t *data, uint16_t length)
134 return FAERR_ALREADYSENT; 128 return FAERR_ALREADYSENT;
135 129
136 /* resize the friend list if necessary */ 130 /* resize the friend list if necessary */
137 if (numfriends + 1 > numallocated) 131 realloc_friendlist(numfriends + 1);
138 realloc_friendlist();
139 132
140 uint32_t i; 133 uint32_t i;
141 for (i = 0; i <= numfriends; ++i) { 134 for (i = 0; i <= numfriends; ++i) {
@@ -166,8 +159,7 @@ int m_addfriend_norequest(uint8_t * client_id)
166 return -1; 159 return -1;
167 160
168 /* resize the friend list if necessary */ 161 /* resize the friend list if necessary */
169 if (numfriends + 1 > numallocated) 162 realloc_friendlist(numfriends + 1);
170 realloc_friendlist();
171 163
172 uint32_t i; 164 uint32_t i;
173 for (i = 0; i <= numfriends; ++i) { 165 for (i = 0; i <= numfriends; ++i) {
@@ -208,6 +200,7 @@ int m_delfriend(int friendnumber)
208 break; 200 break;
209 } 201 }
210 numfriends = i; 202 numfriends = i;
203 realloc_friendlist(numfriends + 1);
211 204
212 return 0; 205 return 0;
213} 206}