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/* $Id: bac_entry_to_string.c,v 1.24 2003/01/14 03:56:36 oohara Exp $ */
#include <stdio.h>
/* malloc */
#include <stdlib.h>
/* strdup, strlen */
#include <string.h>
/* time_t */
#include <time.h>
/* uid_t */
#include <sys/types.h>
/* CHAR_BIT */
#include <limits.h>
/* isprint */
#include <ctype.h>
#include "bac_entry_to_string.h"
char *
bac_entry_to_string(bac_entry *entry)
{
int i;
char *temp = NULL;
char *temp2 = NULL;
int length = 0;
int length_used = 0;
/* sanity check */
if (entry == NULL)
{
fprintf(stderr, "bac_entry_to_string: entry is NULL\n");
return NULL;
}
if (entry->klass != 0)
{
fprintf(stderr, "bac_entry_to_string: not supported score_entry_version "
"(%d)\n", entry->klass);
return NULL;
}
if ((((bac_entry_ver_0 *) entry)->user_name_available != 0)
&& (((bac_entry_ver_0 *) entry)->user_name == NULL))
{
fprintf(stderr, "bac_entry_to_string: entry->user_name is NULL\n");
return NULL;
}
if (((bac_entry_ver_0 *) entry)->number_stage <= 0)
{
fprintf(stderr, "bac_entry_to_string: entry->number_stage is "
"non-positive\n");
return NULL;
}
if (((bac_entry_ver_0 *) entry)->score_stage == NULL)
{
fprintf(stderr, "bac_entry_to_string: entry->score_stage is NULL\n");
return NULL;
}
if (isprint('\n'))
{
fprintf(stderr, "bac_entry_to_string: \\n is printable\n");
return NULL;
}
if (isprint('\t'))
{
fprintf(stderr, "bac_entry_to_string: \\t is printable\n");
return NULL;
}
/* entry_version */
length += strlen("Entry-Version") + strlen("\t") + strlen("\n");
length += CHAR_BIT * sizeof(int);
/* stage_data_version */
length += strlen("Stage-Data-Version") + strlen("\t") + strlen("\n");
length += CHAR_BIT * sizeof(int);
/* when */
length += strlen("When") + strlen("\t") + strlen("\n");
length += CHAR_BIT * sizeof(time_t);
/* uid */
length += strlen("Uid") + strlen("\t") + strlen("\n");
length += CHAR_BIT * sizeof(uid_t);
/* there is no field for user_name_available */
if (((bac_entry_ver_0 *) entry)->user_name_available != 0)
{
/* user_name */
length += strlen("User-Name") + strlen("\t") + strlen("\n");
length += strlen(((bac_entry_ver_0 *) entry)->user_name);
}
/* score_sort */
length += strlen("Score-Sort") + strlen("\t") + strlen("\n");
length += CHAR_BIT * sizeof(int);
/* score_total */
length += strlen("Score-Total") + strlen("\t") + strlen("\n");
length += CHAR_BIT * sizeof(int);
/* number_stage */
length += strlen("Number-Stage") + strlen("\t") + strlen("\n");
length += CHAR_BIT * sizeof(int);
/* score_stage */
length += (strlen("Score-Stage") + strlen("\t") * 2 + strlen("\n"))
* ((bac_entry_ver_0 *) entry)->number_stage;
length += CHAR_BIT * sizeof(int) * 2
* ((bac_entry_ver_0 *) entry)->number_stage;
/* terminating \n */
length += strlen("\n");
/* trailing \0 */
length += 1;
temp = (char *) malloc(sizeof(char) * length);
if (temp == NULL)
{
fprintf(stderr, "bac_entry_to_string: malloc failed\n");
return NULL;
}
sprintf(temp, "Entry-Version\t%d\n"
"Stage-Data-Version\t%d\n"
"When\t%d\n"
"Uid\t%d\n",
0,
((bac_entry_ver_0 *) entry)->stage_data_version,
(int) (((bac_entry_ver_0 *) entry)->when),
(int) (((bac_entry_ver_0 *) entry)->uid));
/* be paranoid */
temp[length - 1] = '\0';
length_used = strlen(temp);
if (length_used >= length)
{
fprintf(stderr, "bac_entry_to_string: temp is too short\n");
free(temp);
return NULL;
}
if (((bac_entry_ver_0 *) entry)->user_name_available != 0)
{
sprintf(temp + length_used,
"User-Name\t%s\n",
((bac_entry_ver_0 *) entry)->user_name);
temp[length - 1] = '\0';
length_used = strlen(temp);
if (length_used >= length)
{
fprintf(stderr, "bac_entry_to_string: temp is too short\n");
free(temp);
return NULL;
}
}
sprintf(temp + length_used,
"Score-Sort\t%d\n"
"Score-Total\t%d\n"
"Number-Stage\t%d\n",
((bac_entry_ver_0 *) entry)->score_sort,
((bac_entry_ver_0 *) entry)->score_total,
((bac_entry_ver_0 *) entry)->number_stage);
temp[length - 1] = '\0';
for (i = 1; i <= ((bac_entry_ver_0 *) entry)->number_stage; i++)
{
length_used = strlen(temp);
if (length_used >= length)
{
fprintf(stderr, "bac_entry_to_string: temp is too short\n");
free(temp);
return NULL;
}
sprintf(temp + length_used,
"Score-Stage\t%d\t%d\n", i,
((bac_entry_ver_0 *) entry)->score_stage[i - 1]);
temp[length - 1] = '\0';
}
length_used = strlen(temp);
if (length_used + 1 >= length)
{
fprintf(stderr, "bac_entry_to_string: temp is too short\n");
free(temp);
return NULL;
}
temp[length_used] = '\n';
temp[length_used + 1] = '\0';
/* free unused memory */
/* +2 (not +1) is for the trailing \0 */
temp2 = (char *) realloc(temp, sizeof(char) * ((size_t) (length_used + 2)));
if (temp2 == NULL)
{
fprintf(stderr, "bac_entry_to_string: realloc failed\n");
free(temp);
return NULL;
}
temp = temp2;
return temp;
}
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