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Annotation of src/usr.bin/make/varmodifiers.h, Revision 1.3

1.3     ! espie       1: #ifndef VARMODIFIERS_H
        !             2: #define VARMODIFIERS_H
        !             3:
1.2       espie       4: /* $OpenPackages$ */
1.1       espie       5: /* $OpenBSD$ */
                      6:
                      7: /*
                      8:  * Copyright (c) 1999 Marc Espie.
                      9:  *
                     10:  * Extensive code changes for the OpenBSD project.
                     11:  *
                     12:  * Redistribution and use in source and binary forms, with or without
                     13:  * modification, are permitted provided that the following conditions
                     14:  * are met:
                     15:  * 1. Redistributions of source code must retain the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer.
                     17:  * 2. Redistributions in binary form must reproduce the above copyright
                     18:  *    notice, this list of conditions and the following disclaimer in the
                     19:  *    documentation and/or other materials provided with the distribution.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
                     22:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
                     23:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
                     24:  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
                     25:  * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
                     26:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
                     27:  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
                     31:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     32:  */
1.3     ! espie      33:
        !            34: /* VarModifiers_Init();
        !            35:  *     Set up varmodifiers internal table according to selected features.
        !            36:  *     This can be called several times without harm. */
        !            37: extern void VarModifiers_Init(void);
        !            38:
        !            39:
        !            40: /* result = VarModifiers_Apply(val, name, ctxt, undef_is_bad,
        !            41:  *   &should_free, modstart, endc, &length);
        !            42:  *     Applies variable modifiers starting at modstart (including :),
        !            43:  *     ending with character endc, to value val.
        !            44:  *     Variables in spec are taken from context ctxt.
        !            45:  *     If undef_is_bad, error occurs if undefined variables are mentioned.
        !            46:  *     length is filled with the total length of the modifier spec.
        !            47:  *     name holds the name of the corresponding variable, as some ODE
        !            48:  *     modifiers need it.
        !            49:  *
        !            50:  *     If both val and name are NULL, VarModifiers_Apply just parses the
        !            51:  *     modifiers specification, as it can't apply it to anything. */
1.2       espie      52: extern char *VarModifiers_Apply(char *, const struct Name *, SymTable *,
1.3     ! espie      53:        bool, bool *, const char *, int, size_t *);
        !            54:
        !            55: /* Direct interface to specific modifiers used under special circumstances. */
        !            56: /* tails = Var_GetTail(string);
        !            57:  *     Returns the tail of list of words in string (needed for SysV locals). */
1.2       espie      58: extern char *Var_GetTail(char *);
1.3     ! espie      59: /* heads = Var_GetHead(string);
        !            60:  *     Returns the head of list of words in string. */
        !            61: /* XXX this does not replace foo with ., as (sun) System V make does.
        !            62:  * Should it ? */
1.2       espie      63: extern char *Var_GetHead(char *);
1.1       espie      64: #endif