-/* $Cambridge: exim/src/src/lookups/oracle.c,v 1.1 2004/10/07 13:10:01 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2004 */
+/* Copyright (c) University of Cambridge 1995 - 2015 */
/* See the file NOTICE for conditions of use and distribution. */
/* Interface to an Oracle database. This code was originally supplied by
#include "../exim.h"
-/* We can't just compile this code and allow the library mechanism to omit the
-functions if they are not wanted, because we need to have the ORACLE headers
-available for compiling. Therefore, compile these functions only if
-LOOKUP_ORACLE is defined. However, some compilers don't like compiling empty
-modules, so keep them happy with a dummy when skipping the rest. Make it
-reference itself to stop picky compilers complaining that it is unused, and put
-in a dummy argument to stop even pickier compilers complaining about infinite
-loops. */
-
-#ifndef LOOKUP_ORACLE
-static void dummy(int x) { dummy(x-1); }
-#else
-
/* The Oracle system headers */
#include <oratypes.h>
#include <ocidfn.h>
#include <ocikpr.h>
-#include "oracle.h" /* The local header */
-
#define PARSE_NO_DEFER 0 /* parse straight away */
#define PARSE_V7_LNG 2
#define MAX_ITEM_BUFFER_SIZE 1024 /* largest size of a cell of data */
#define MAX_SELECT_LIST_SIZE 32 /* maximum number of columns (not rows!) */
/* Paul's comment on this was "change this to 512 for 64bit cpu", but I don't
-understand why. The Oracle manual just asks for 256 bytes. */
+understand why. The Oracle manual just asks for 256 bytes.
+
+That was years ago. Jin Choi suggested (March 2007) that this change should
+be made in the source, as at worst it wastes 256 bytes, and it saves people
+having to discover about this for themselves as more and more systems are
+64-bit. So I have changed 256 to 512. */
-#define HDA_SIZE 256
+#define HDA_SIZE 512
/* Internal/external datatype codes */
/* See local README for interface description. */
-void *
+static void *
oracle_open(uschar *filename, uschar **errmsg)
{
return (void *)(1); /* Just return something non-null */
/* See local README for interface description. */
-void
+static void
oracle_tidy(void)
{
oracle_connection *cn;
ofetch(cda);
if(cda->rc == NO_DATA_FOUND) break;
- if (result != NULL) result = string_cat(result, &ssize, &offset, "\n", 1);
+ if (result) result = string_catn(result, &ssize, &offset, "\n", 1);
/* Single field - just add on the data */
if (num_fields == 1)
- result = string_cat(result, &ssize, &offset, def[0].buf, def[0].col_retlen);
+ result = string_catn(result, &ssize, &offset, def[0].buf, def[0].col_retlen);
/* Multiple fields - precede by file name, removing {lead,trail}ing WS */
while (*s != 0 && isspace(*s)) s++;
slen = Ustrlen(s);
while (slen > 0 && isspace(s[slen-1])) slen--;
- result = string_cat(result, &ssize, &offset, s, slen);
- result = string_cat(result, &ssize, &offset, US"=", 1);
+ result = string_catn(result, &ssize, &offset, s, slen);
+ result = string_catn(result, &ssize, &offset, US"=", 1);
/* int and float type wont ever need escaping. Otherwise, quote the value
if it contains spaces or is empty. */
(def[i].buf[0] == 0 || strchr(def[i].buf, ' ') != NULL))
{
int j;
- result = string_cat(result, &ssize, &offset, "\"", 1);
+ result = string_catn(result, &ssize, &offset, "\"", 1);
for (j = 0; j < def[i].col_retlen; j++)
{
if (def[i].buf[j] == '\"' || def[i].buf[j] == '\\')
- result = string_cat(result, &ssize, &offset, "\\", 1);
- result = string_cat(result, &ssize, &offset, def[i].buf+j, 1);
+ result = string_catn(result, &ssize, &offset, "\\", 1);
+ result = string_catn(result, &ssize, &offset, def[i].buf+j, 1);
}
- result = string_cat(result, &ssize, &offset, "\"", 1);
+ result = string_catn(result, &ssize, &offset, "\"", 1);
}
else switch(desc[i].dbtype)
{
case INT_TYPE:
sprintf(CS tmp, "%d", def[i].int_buf);
- result = string_cat(result, &ssize, &offset, tmp, Ustrlen(tmp));
+ result = string_cat(result, &ssize, &offset, tmp);
break;
case FLOAT_TYPE:
sprintf(CS tmp, "%f", def[i].flt_buf);
- result = string_cat(result, &ssize, &offset, tmp, Ustrlen(tmp));
+ result = string_cat(result, &ssize, &offset, tmp);
break;
case STRING_TYPE:
- result = string_cat(result, &ssize, &offset, def[i].buf,
+ result = string_catn(result, &ssize, &offset, def[i].buf,
def[i].col_retlen);
break;
goto ORACLE_EXIT;
}
- result = string_cat(result, &ssize, &offset, " ", 1);
+ result = string_catn(result, &ssize, &offset, " ", 1);
}
}
ORACLE_EXIT_NO_VALS:
-/* Non-NULL result indicates a sucessful result */
+/* Non-NULL result indicates a successful result */
if (result != NULL)
{
arguments are not used. Loop through a list of servers while the query is
deferred with a retryable error. */
-int
+static int
oracle_find(void *handle, uschar *filename, uschar *query, int length,
- uschar **result, uschar **errmsg, BOOL *do_cache)
+ uschar **result, uschar **errmsg, uint *do_cache)
{
int sep = 0;
uschar *server;
Returns: the processed string or NULL for a bad option
*/
-uschar *
+static uschar *
oracle_quote(uschar *s, uschar *opt)
{
register int c;
return quoted;
}
-#endif /* LOOKUP_ORACLE */
+
+/*************************************************
+* Version reporting entry point *
+*************************************************/
+
+/* See local README for interface description. */
+
+#include "../version.h"
+
+void
+oracle_version_report(FILE *f)
+{
+#ifdef DYNLOOKUP
+fprintf(f, "Library version: Oracle: Exim version %s\n", EXIM_VERSION_STR);
+#endif
+}
+
+
+static lookup_info _lookup_info = {
+ US"oracle", /* lookup name */
+ lookup_querystyle, /* query-style lookup */
+ oracle_open, /* open function */
+ NULL, /* check function */
+ oracle_find, /* find function */
+ NULL, /* no close function */
+ oracle_tidy, /* tidy function */
+ oracle_quote, /* quoting function */
+ oracle_version_report /* version reporting */
+};
+
+#ifdef DYNLOOKUP
+#define oracle_lookup_module_info _lookup_module_info
+#endif
+
+static lookup_info *_lookup_list[] = { &_lookup_info };
+lookup_module_info oracle_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
/* End of lookups/oracle.c */