int nnsql_getcolidxbyname( char* col_name )
{
int i;
for( i= 0; nncol_info_tab[i].idx != en_sql_count; i++ )
{
if(upper_strneq( col_name, nncol_info_tab[i].name, 16))
return nncol_info_tab[i].idx;
}
return -1;
}
static int nndate2date(char* str, date_t* date)
{
int i;
char buf[4];
date_t dt;
if( STRLEN(str) < STRLEN("yyyy m d") )
return -1;
sscanf(str, "%d %s %d", &(dt.day), buf, &(dt.year));
if( dt.year < 100 && dt.year > 0 )
dt.year += 1900;
if( dt.day <= 0 || dt.day > 31 )
return -1;
if(i = atoi(buf))
{
dt.month = i;
if( i <= 0 || i > 12 )
return -1;
*date = dt;
date->month = i;
return 0;
}
for(i=0;i<12;i++)
{
if( upper_strneq(buf, month_name[i], 3) )
{
*date = dt;
date->month = i+1;
return 0;
}
}
return -1;
}
char *
_iodbcdm_getkeyvalinstr (
char *cnstr,
int cnlen,
char *keywd,
char *value,
int size)
{
char token[1024] = {'\0'};
int flag = 0;
if (cnstr == NULL || value == NULL
|| keywd == NULL || size < 1)
{
return NULL;
}
if (cnlen == SQL_NTS)
{
cnlen = STRLEN (cnstr);
}
if (cnlen <= 0)
{
return NULL;
}
for (;;)
{
cnstr = readtoken (cnstr, token);
if (*token == '\0')
{
break;
}
if (STREQ (token, ";"))
{
flag = 0;
continue;
}
switch (flag)
{
case 0:
if (upper_strneq (token, keywd, strlen (keywd)))
{
flag = 1;
}
break;
case 1:
if (STREQ (token, "="))
{
flag = 2;
}
break;
case 2:
if (size < strlen (token) + 1)
{
return NULL;
}
STRNCPY (value, token, size);
return value;
default:
break;
}
}
return NULL;
}
/*
* read odbc init file to resolve the value of specified
* key from named or defaulted dsn section
*/
char *
_iodbcdm_getkeyvalbydsn (
char *dsn,
int dsnlen,
char *keywd,
char *value,
int size)
{
char buf[1024];
char dsntk[SQL_MAX_DSN_LENGTH + 3] = {'[', '\0'};
char token[1024]; /* large enough */
FILE *file;
char pathbuf[1024];
char *path;
#define DSN_NOMATCH 0
#define DSN_NAMED 1
#define DSN_DEFAULT 2
int dsnid = DSN_NOMATCH;
int defaultdsn = DSN_NOMATCH;
if (dsn == NULL || *dsn == 0)
{
dsn = "default";
dsnlen = STRLEN (dsn);
}
if (dsnlen == SQL_NTS)
{
dsnlen = STRLEN (dsn);
}
if (dsnlen <= 0 || keywd == NULL || buf == 0 || size <= 0)
{
return NULL;
}
if (dsnlen > sizeof (dsntk) - 2)
{
return NULL;
}
value[0] = '\0';
STRNCAT (dsntk, dsn, dsnlen);
STRCAT (dsntk, "]");
dsnlen = dsnlen + 2;
path = _iodbcdm_getinifile (pathbuf, sizeof (pathbuf));
if (path == NULL)
{
return NULL;
}
file = (FILE *) fopen (path, "r");
if (file == NULL)
{
return NULL;
}
for (;;)
{
char *str;
str = fgets (buf, sizeof (buf), file);
if (str == NULL)
{
break;
}
if (*str == '[')
{
if (upper_strneq (str, "[default]", STRLEN ("[default]")))
{
/* we only read first dsn default dsn
* section (as well as named dsn).
*/
if (defaultdsn == DSN_NOMATCH)
{
dsnid = DSN_DEFAULT;
defaultdsn = DSN_DEFAULT;
}
else
{
dsnid = DSN_NOMATCH;
}
continue;
}
else if (upper_strneq (str, dsntk, dsnlen))
{
dsnid = DSN_NAMED;
}
else
{
dsnid = DSN_NOMATCH;
}
continue;
}
else if (dsnid == DSN_NOMATCH)
{
continue;
}
str = readtoken (str, token);
if (upper_strneq (keywd, token, STRLEN (keywd)))
{
str = readtoken (str, token);
if (!STREQ (token, "="))
/* something other than = */
{
continue;
}
str = readtoken (str, token);
if (STRLEN (token) > size - 1)
{
break;
}
STRNCPY (value, token, size);
/* copy the value(i.e. next token) to buf */
if (dsnid != DSN_DEFAULT)
{
break;
}
}
}
fclose (file);
return (*value) ? value : NULL;
}
int nnsql_odbcdatestr2date(char* str, date_t* date)
/* convert 'yyyy-m-d', 'yyyy-mm-dd' or 'yyyy-mmm-dd' or even 'yyyy/mm/dd'
* string to date struct */
{
date_t dt;
int i;
if( ! str )
{
if( date )
date->day = 0;
return 0;
}
if( STRLEN(str) < STRLEN("yyyy-m-d") )
{
if( date )
date->day = 0;
return -1;
}
dt.day = 0;
dt.year = atoi(str); str += 5;
dt.month = atoi(str);
if( dt.month < 0 || dt.month > 12 )
{
if(date)
date->day = 0;
return -1;
}
if(! dt.month) /* jan to dec */
{
for(i=0;i<12;i++)
{
if( upper_strneq(str, month_name[i], 3) )
{
dt.month = i+1;
break;
}
}
if( ! dt.month )
{
if(date)
date->day = 0;
return -1;
}
str += 4;
}
else
{
if( *str == '0' || dt.month > 9 ) /* 01 to 12 */
str += 3;
else /* 1 to 9 */
str += 2;
}
dt.day = atoi(str);
if( dt.day <= 0 || dt.day > 31 )
{
if(date)
date->day = 0;
return -1;
}
if(date)
*date = dt;
return 0;
}