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# - Code to handle multiple blanks in a reply (quash several consecu… #53

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31 changes: 30 additions & 1 deletion wmbiff/wmbiff/tlsComm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,35 @@ static int wait_for_it(int sd, int timeoutseconds)
return (FD_ISSET(sd, &readfds));
}

/* exported for testing */
/* This version converts sequence of multiple blanks into a single
* blank. This overcomes, say, the bug in the imap server of a random
* company who thinks it can disregard standards because it is big and
* hard. (pun intended) */
extern char *
strncpy_trim_blanks(char *dest, const char *src, size_t n)
{
size_t i;
int last_read_was_not_a_blank = 1;
char *m_src = src, *m_dest = dest;
char ch;

for (i = 0; i < n && src[i] != '\0'; i++) {
ch = *m_src++;

if (ch != ' ' || last_read_was_not_a_blank) {
*m_dest = ch;
m_dest++;
}

last_read_was_not_a_blank = ch != ' ';
}
for ( ; i < n; i++)
dest[i] = '\0';

return dest;
}

/* exported for testing */
extern int
getline_from_buffer(char *readbuffer, char *linebuffer, int linebuflen)
Expand All @@ -184,7 +213,7 @@ getline_from_buffer(char *readbuffer, char *linebuffer, int linebuflen)

if (i != 0) {
/* copy a line into the linebuffer */
strncpy(linebuffer, readbuffer, (size_t) i);
strncpy_trim_blanks(linebuffer, readbuffer, (size_t) i);
/* sigh, null terminate */
linebuffer[i] = '\0';
/* shift the rest over; this could be done
Expand Down