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moved trim_string to header file

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This commit is contained in:
Václav Šmejkal 2024-04-20 11:34:21 +02:00
parent e6c570c2c7
commit f07a5fe40f
Signed by: ENGO150
GPG Key ID: 4A57E86482968843
2 changed files with 67 additions and 66 deletions
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1
include/chat/misc.h
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@ -32,6 +32,7 @@ void why2_clean_connections(void); //CLOSE EVERY CONNECTION
void why2_clean_threads(void); //CLOSE EVERY RUNNING MESSAGE THREAD
void *why2_listen_server(void *socket); //LISTEN FOR OTHER's USERS MESSAGES
void *why2_getline_thread(WHY2_UNUSED void* arg); //START getline IN SEPARATE THREAD
void why2_trim_string(char **s); //REMOVES SPACES FROM END AND START OF *s
#ifdef __cplusplus
}

132
src/chat/misc.c
View File

@ -430,71 +430,6 @@ void send_welcome_packet(int connection)
send_welcome_socket_deallocate(WHY2_CHAT_CODE_ACCEPT_MESSAGES, why2_chat_server_config("server_username"), connection);
}
void trim_string(char **s)
{
//GET CORRECT ALLOCATION FNS
void* (*allocate)(unsigned long);
void (*deallocate)(void*);
if (why2_allocated(s))
{
allocate = why2_malloc;
deallocate = why2_deallocate;
} else
{
allocate = malloc;
deallocate = free;
}
//BUFFERS
unsigned long start_spaces = 0;
unsigned long end_spaces = 0;
unsigned long actual_length;
//COUNT start_spaces (HOW MANY SPACES ARE IN THE START)
for (unsigned long i = 0; i < strlen(*s); i++)
{
if ((*s)[i] != ' ') break;
start_spaces++;
}
//COUNT end_spaces
for (long long i = (long long) strlen(*s) - 1; i >= 0; i--)
{
if ((*s)[i] != ' ') break;
end_spaces++;
}
//USER'S HEAD HAS FELL ON THE SPACEBAR
if (start_spaces + end_spaces > strlen(*s))
{
deallocate(*s);
*s = NULL;
return;
}
//COUNT actual_length
actual_length = strlen(*s) - (end_spaces + start_spaces);
if (actual_length == strlen(*s)) return; //NO SPACES TO REMOVE
char *st = allocate(actual_length + 2); //TRIMMED s
for (unsigned long i = start_spaces; i < (start_spaces + actual_length); i++)
{
st[i - start_spaces] = (*s)[i];
}
st[actual_length] = '\0';
//DEALLOCATE UNTRIMMED s
deallocate(*s);
//SET NEW s
*s = st;
}
unsigned long get_latest_id()
{
unsigned long returning = 0;
@ -664,7 +599,7 @@ void *why2_communicate_thread(void *arg)
decoded_buffer = get_string_from_json_string(raw, "message"); //DECODE
//TRIM MESSAGE
trim_string(&decoded_buffer);
why2_trim_string(&decoded_buffer);
if (decoded_buffer != NULL && strlen(decoded_buffer) != 0 && strlen(decoded_buffer) <= (unsigned long) server_config_int("max_message_length"))
{
@ -882,4 +817,69 @@ void *why2_getline_thread(WHY2_UNUSED void* arg)
if (getline(&line, &line_length, stdin) == -1) why2_die("Reading input failed.");
return line;
}
void why2_trim_string(char **s)
{
//GET CORRECT ALLOCATION FNS
void* (*allocate)(unsigned long);
void (*deallocate)(void*);
if (why2_allocated(*s))
{
allocate = why2_malloc;
deallocate = why2_deallocate;
} else
{
allocate = malloc;
deallocate = free;
}
//BUFFERS
unsigned long start_spaces = 0;
unsigned long end_spaces = 0;
unsigned long actual_length;
//COUNT start_spaces (HOW MANY SPACES ARE IN THE START)
for (unsigned long i = 0; i < strlen(*s); i++)
{
if ((*s)[i] != ' ') break;
start_spaces++;
}
//COUNT end_spaces
for (long long i = (long long) strlen(*s) - 1; i >= 0; i--)
{
if ((*s)[i] != ' ') break;
end_spaces++;
}
//USER'S HEAD HAS FELL ON THE SPACEBAR
if (start_spaces + end_spaces > strlen(*s))
{
deallocate(*s);
*s = NULL;
return;
}
//COUNT actual_length
actual_length = strlen(*s) - (end_spaces + start_spaces);
if (actual_length == strlen(*s)) return; //NO SPACES TO REMOVE
char *st = allocate(actual_length + 2); //TRIMMED s
for (unsigned long i = start_spaces; i < (start_spaces + actual_length); i++)
{
st[i - start_spaces] = (*s)[i];
}
st[actual_length] = '\0';
//DEALLOCATE UNTRIMMED s
deallocate(*s);
//SET NEW s
*s = st;
}