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/* integer-valued configuration parameter support
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/* #include <mail_conf.h>
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/* int get_mail_conf_nint(name, defval, min, max);
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/* const char *defval;
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/* int get_mail_conf_nint_fn(name, defval, min, max);
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/* void set_mail_conf_nint(name, value)
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/* void set_mail_conf_nint_int(name, value)
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/* void get_mail_conf_nint_table(table)
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/* const CONFIG_NINT_TABLE *table;
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/* void get_mail_conf_nint_fn_table(table)
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/* const CONFIG_NINT_TABLE *table;
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/* AUXILIARY FUNCTIONS
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/* int get_mail_conf_nint2(name1, name2, defval, min, max);
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/* This module implements configuration parameter support
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/* for integer values. The default value can be a macro
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/* expression ($name, ${name?value} and ${name:value}).
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/* get_mail_conf_nint() looks up the named entry in the global
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/* configuration dictionary. The default value is returned
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/* when no value was found.
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/* \fImin\fR is zero or specifies a lower limit on the integer
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/* value or string length; \fImax\fR is zero or specifies an
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/* upper limit on the integer value or string length.
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/* get_mail_conf_nint_fn() is similar but specifies a function that
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/* provides the default value. The function is called only
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/* when the default value is needed.
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/* set_mail_conf_nint() updates the named entry in the global
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/* configuration dictionary. This has no effect on values that
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/* have been looked up earlier via the get_mail_conf_XXX() routines.
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/* get_mail_conf_nint_table() and get_mail_conf_nint_fn_table() initialize
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/* lists of variables, as directed by their table arguments. A table
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/* must be terminated by a null entry.
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/* get_mail_conf_nint2() concatenates the two names and is otherwise
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/* identical to get_mail_conf_nint().
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/* Fatal errors: malformed numerical value.
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/* config(3) general configuration
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/* mail_conf_str(3) string-valued configuration parameters
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/* The Secure Mailer license must be distributed with this software.
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/* IBM T.J. Watson Research
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/* Yorktown Heights, NY 10598, USA
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#include <stdio.h> /* sscanf() */
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/* Utility library. */
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#include <stringops.h>
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#include "mail_conf.h"
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/* convert_mail_conf_nint - look up and convert integer parameter value */
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static int convert_mail_conf_nint(const char *name, int *intval)
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if ((strval = mail_conf_lookup_eval(name)) != 0) {
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if (sscanf(strval, "%d%c", intval, &junk) != 1)
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msg_fatal("bad numerical configuration: %s = %s", name, strval);
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/* check_mail_conf_nint - validate integer value */
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static void check_mail_conf_nint(const char *name, int intval, int min, int max)
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if (min && intval < min)
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msg_fatal("invalid %s parameter value %d < %d", name, intval, min);
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if (max && intval > max)
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msg_fatal("invalid %s parameter value %d > %d", name, intval, max);
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/* get_mail_conf_nint - evaluate integer-valued configuration variable */
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int get_mail_conf_nint(const char *name, const char *defval, int min, int max)
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if (convert_mail_conf_nint(name, &intval) == 0)
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set_mail_conf_nint(name, defval);
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if (convert_mail_conf_nint(name, &intval) == 0)
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msg_panic("get_mail_conf_nint: parameter not found: %s", name);
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check_mail_conf_nint(name, intval, min, max);
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/* get_mail_conf_nint2 - evaluate integer-valued configuration variable */
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int get_mail_conf_nint2(const char *name1, const char *name2, int defval,
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name = concatenate(name1, name2, (char *) 0);
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if (convert_mail_conf_nint(name, &intval) == 0)
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set_mail_conf_nint_int(name, defval);
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if (convert_mail_conf_nint(name, &intval) == 0)
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msg_panic("get_mail_conf_nint2: parameter not found: %s", name);
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check_mail_conf_nint(name, intval, min, max);
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/* get_mail_conf_nint_fn - evaluate integer-valued configuration variable */
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typedef const char *(*stupid_indent_int) (void);
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int get_mail_conf_nint_fn(const char *name, stupid_indent_int defval,
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if (convert_mail_conf_nint(name, &intval) == 0)
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set_mail_conf_nint(name, defval());
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if (convert_mail_conf_nint(name, &intval) == 0)
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msg_panic("get_mail_conf_nint_fn: parameter not found: %s", name);
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check_mail_conf_nint(name, intval, min, max);
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/* set_mail_conf_nint - update integer-valued configuration dictionary entry */
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void set_mail_conf_nint(const char *name, const char *value)
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mail_conf_update(name, value);
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/* set_mail_conf_nint_int - update integer-valued configuration dictionary entry */
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void set_mail_conf_nint_int(const char *name, int value)
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char buf[BUFSIZ]; /* yeah! crappy code! */
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sprintf(buf, "%d", value); /* yeah! more crappy code! */
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mail_conf_update(name, buf);
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/* get_mail_conf_nint_table - look up table of integers */
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void get_mail_conf_nint_table(const CONFIG_NINT_TABLE *table)
195
while (table->name) {
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table->target[0] = get_mail_conf_nint(table->name, table->defval,
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table->min, table->max);
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/* get_mail_conf_nint_fn_table - look up integers, defaults are functions */
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void get_mail_conf_nint_fn_table(const CONFIG_NINT_FN_TABLE *table)
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while (table->name) {
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table->target[0] = get_mail_conf_nint_fn(table->name, table->defval,
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table->min, table->max);
added
removed
src/global/mail_conf_nint.c
