EXPORT char * Z$F_F2SQL (char * sz)
{
int len = strlen(sz);
char * sz_result = (char *) ib_util_malloc (len*2+4);
escapeSQL(sz,sz_result);
return sz_result;
}
EXPORT char * Z$F_J2F (char * sz)
{
int len = strlen(sz);
char * sz_result = (char *) ib_util_malloc (len);
unescapeJSON(sz,sz_result);
return sz_result;
}
/*
* Code for reading the BLOB was kindly borrowed from FreeAdhocUDF, written by
* adhoc dataservice GmbH, Christoph Theuring ct / Peter Mandrella pm / Georg Horn gh
*/
char *sym_hex(BLOBCALLBACK blob)
{
char *result, *hex_result;
long hex_result_size;
long bytes_read;
long bytes_left, total_bytes_read;
long i, j;
bytes_read = 0;
total_bytes_read = 0;
if (blob->blob_handle == NULL)
{
result = (char *) malloc(1);
}
else
{
result = (char *) malloc(blob->blob_total_length + 1);
memset(result, 0, blob->blob_total_length + 1);
bytes_left = blob->blob_total_length;
while (bytes_left > 0)
{
if (!blob->blob_get_segment(blob->blob_handle, (char *)result + total_bytes_read,
blob->blob_total_length, &bytes_read))
{
break;
}
total_bytes_read += bytes_read;
bytes_left -= bytes_read;
}
}
while (total_bytes_read>0 && isspace(result[total_bytes_read-1]))
{
--total_bytes_read;
}
result[total_bytes_read] = '\0';
hex_result_size = (total_bytes_read * 2) + 1;
hex_result = (char *) ib_util_malloc(hex_result_size);
memset(hex_result, 0, hex_result_size);
for (i = 0, j = 0; i < total_bytes_read; i++, j += 2)
{
sprintf(hex_result + j, "%02x", (unsigned char)result[i]);
}
hex_result[hex_result_size] = '\0';
free(result);
return hex_result;
}
char *sym_escape(char *str)
{
int len = 0, count = 0;
int i, j;
char *result;
if (str != NULL)
{
for (; str[len] != NULL; len++)
{
if (str[len] == quote_chr || str[len] == backslash_chr)
{
count++;
}
}
}
result = (char *) ib_util_malloc(count + len + 1);
if (result == NULL)
{
return empty_str;
}
for (i = 0, j = 0; i < len; i++, j++)
{
if (str[i] == quote_chr || str[i] == backslash_chr)
{
result[j] = backslash_chr;
result[++j] = str[i];
}
else
{
result[j] = str[i];
}
}
result[j] = NULL;
return result;
}
