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RRTcodebaseC

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unsigned int l_indx = 0;
while (*p1) {
if (*p1=='\n') {
carray_add(lines, (void*)strndup(line_start, line_chars), &l_indx);
p1++;
line_start = p1;
line_chars = 0;
}
else {
p1++;
line_chars++;
}
}
carray_add(lines, (void*)strndup(line_start, line_chars), &l_indx);
return lines; /* should be freed using dc_free_splitted_lines() */
}
void dc_free_splitted_lines(carray* lines)
{
if (lines) {
int i, cnt = carray_count(lines);
for (i = 0; i < cnt; i++) {
free(carray_get(lines, i));
}
carray_free(lines);
}
}
char* dc_insert_breaks(const char* in, int break_every, const char* break_chars)
{
/* insert a space every n characters, the return must be free()'d.
this is useful to allow lines being wrapped according to RFC 5322 (adds linebreaks before spaces) */
if (in==NULL || break_every<=0 || break_chars==NULL) {
return dc_strdup(in);
}
int out_len = strlen(in);
int chars_added = 0;
int break_chars_len = strlen(break_chars);
out_len += (out_len/break_every+1)*break_chars_len + 1/*nullbyte*/;
char* out = malloc(out_len);
if (out==NULL) { return NULL; }
const char* i = in;
char* o = out;
while (*i) {
*o++ = *i++;
chars_added++;
if (chars_added==break_every && *i) {
strcpy(o, break_chars);
o+=break_chars_len;
chars_added = 0;
}
}
*o = 0;
return out;
}
// Join clist element to a string.
char* dc_str_from_clist(const clist* list, const char* delimiter)
{
dc_strbuilder_t str;
dc_strbuilder_init(&str, 256);
if (list) {
for (clistiter* cur = clist_begin(list); cur!=NULL ; cur=clist_next(cur)) {
const char* rfc724_mid = clist_content(cur);
if (rfc724_mid) {
if (str.buf[0] && delimiter) {
dc_strbuilder_cat(&str, delimiter);
}
dc_strbuilder_cat(&str, rfc724_mid);
}
}
}
return str.buf;
}
// Split a string by a character.
// If the string is empty or NULL, an empty list is returned.
// The returned clist must be freed using clist_free_content()+clist_free()
// or given eg. to libetpan objects.
clist* dc_str_to_clist(const char* str, const char* delimiter)
{
clist* list = clist_new();
if (list==NULL) {
exit(54);
}
if (str && delimiter && strlen(delimiter)>=1) {