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// utilities that may be needed in more than one place
#include <apr_strings.h>
#include "utils.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>


char* lfd_apr_strerror_thunsafe(apr_status_t rc)
{
static char static_error_buff[STR_ERROR_MAX_LEN];
return apr_strerror(rc, static_error_buff, STR_ERROR_MAX_LEN);
}


void lfd_log(enum err_levels lvl, char * fmt, ...)
{
va_list ap;
va_start(ap, fmt);
//for now just ignore the error level
vprintf(fmt, ap);
printf("\n");
va_end(ap);
}
void bug(const char* p_text)
{
printf("%s\n", p_text);
exit(1);
}


apr_size_t lfd_ascii_bin_to_ascii(const char* p_in, char* p_out, apr_size_t in_len)
{
  /* Task: translate all \n into \r\n. Note that \r\n becomes \r\r\n. That's
* what wu-ftpd does, and it's easier :-)
*/
apr_size_t indexx = 0;
apr_size_t written = 0;
while (indexx < in_len)
{
char the_char = p_in[indexx];
if (the_char == '\n')
{
*p_out++ = '\r';
written++;
}
*p_out++ = the_char;
written++;
indexx++;
}
return written;
}

/**
* @brief translate all \r\n into plain \n. A plain \r not followed by \n must not be removed.
*/
struct ascii_to_bin_ret lfd_ascii_ascii_to_bin(char* p_buf, apr_size_t in_len, int prev_cr)
{
struct ascii_to_bin_ret rc;
apr_size_t indexx = 0;
apr_size_t written = 0;
char* p_out = p_buf + 1;
rc.last_was_cr = 0;
if (prev_cr && (!in_len || p_out[0] != '\n'))
{
p_buf[0] = '\r';
rc.p_buf = p_buf;
written++;
}
else
{
rc.p_buf = p_out;
}
while (indexx < in_len)
{
char the_char = p_buf[indexx + 1];
if (the_char != '\r')
{
*p_out++ = the_char;
written++;
}
else if (indexx == in_len - 1)
{
rc.last_was_cr = 1;
}
else if (p_buf[indexx + 2] != '\n')
{
*p_out++ = the_char;
written++;
}
indexx++;
}
rc.stored = written;
return rc;
}
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