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Megacommit of many files.

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Mostly, several functions that take pointers as arguments, almost
always char * pointers, had those pointers qualified with "const".
Those that returned pointers to previously const-qualified arguments
had their return values qualified as const.  Some structure members
were qualified as const to retain that attribute from the variables
from which they were assigned.

The macro DE_CONST was added to isc/util.h to deal with a handful of very
special places where something is qualified as const but really needs to have
its const qualifier removed.

Also cleaned up a few places where variable names clashed with reserved
identifiers.  (Which mostly works fine, but strictly speaking is undefined
by the standard.)

Minor other ISC style cleanups.
This commit is contained in:
David Lawrence
2000-06-01 17:20:56 +00:00
parent fd6de7af32
commit 87cafc5e70
33 changed files with 685 additions and 516 deletions
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14
lib/isc/symtab.c
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@@ -188,7 +188,7 @@ isc_symtab_lookup(isc_symtab_t *symtab, const char *key, unsigned int type,
}
isc_result_t
isc_symtab_define(isc_symtab_t *symtab, char *key, unsigned int type,
isc_symtab_define(isc_symtab_t *symtab, const char *key, unsigned int type,
isc_symvalue_t value, isc_symexists_t exists_policy)
{
unsigned int bucket;
@@ -214,7 +214,15 @@ isc_symtab_define(isc_symtab_t *symtab, char *key, unsigned int type,
if (elt == NULL)
return (ISC_R_NOMEMORY);
}
elt->key = key;
/*
* Though the "key" can be const coming in, it is not stored as const
* so that the calling program can easily have writable access to
* it in its undefine_action function. In the event that it *was*
* truly const coming in and then the caller modified it anyway ...
* well, don't do that!
*/
DE_CONST(key, elt->key);
elt->type = type;
elt->value = value;
@@ -227,7 +235,7 @@ isc_symtab_define(isc_symtab_t *symtab, char *key, unsigned int type,
}
isc_result_t
isc_symtab_undefine(isc_symtab_t *symtab, char *key, unsigned int type) {
isc_symtab_undefine(isc_symtab_t *symtab, const char *key, unsigned int type) {
unsigned int bucket;
elt_t *elt;