return ((int) i);
}
-int strjoin (char *dst, size_t dst_len,
+int strjoin (char *buffer, size_t buffer_size,
char **fields, size_t fields_num,
const char *sep)
{
- size_t field_len;
+ size_t avail;
+ char *ptr;
size_t sep_len;
- int i;
-
- memset (dst, '\0', dst_len);
+ size_t i;
- if (fields_num <= 0)
+ if ((buffer_size < 1) || (fields_num <= 0))
return (-1);
+ memset (buffer, 0, buffer_size);
+ ptr = buffer;
+ avail = buffer_size - 1;
+
sep_len = 0;
if (sep != NULL)
sep_len = strlen (sep);
- for (i = 0; i < (int)fields_num; i++)
+ for (i = 0; i < fields_num; i++)
{
+ size_t field_len;
+
if ((i > 0) && (sep_len > 0))
{
- if (dst_len <= sep_len)
+ if (avail < sep_len)
return (-1);
- strncat (dst, sep, dst_len);
- dst_len -= sep_len;
+ memcpy (ptr, sep, sep_len);
+ ptr += sep_len;
+ avail -= sep_len;
}
field_len = strlen (fields[i]);
-
- if (dst_len <= field_len)
+ if (avail < field_len)
return (-1);
- strncat (dst, fields[i], dst_len);
- dst_len -= field_len;
+ memcpy (ptr, fields[i], field_len);
+ ptr += field_len;
+ avail -= field_len;
}
- return (strlen (dst));
+ assert (buffer[buffer_size - 1] == 0);
+ return (strlen (buffer));
}
int strsubstitute (char *str, char c_from, char c_to)
udb_result_preparation_area_t **next_r_area;
udb_result_t *r;
- q_area = (udb_query_preparation_area_t *)malloc (sizeof (*q_area));
+ q_area = malloc (sizeof (*q_area));
if (q_area == NULL)
return NULL;
-
memset (q_area, 0, sizeof (*q_area));
next_r_area = &q_area->result_prep_areas;
{
udb_result_preparation_area_t *r_area;
- r_area = (udb_result_preparation_area_t *)malloc (sizeof (*r_area));
+ r_area = malloc (sizeof (*r_area));
if (r_area == NULL)
{
- for (r_area = q_area->result_prep_areas;
- r_area != NULL; r_area = r_area->next)
+ udb_result_preparation_area_t *a = q_area->result_prep_areas;
+
+ while (a != NULL)
{
- free (r_area);
+ udb_result_preparation_area_t *next = a->next;
+ sfree (a);
+ a = next;
}
+
free (q_area);
return NULL;
}