src/usr.bin/make/varmodifiers.h - diff

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Diff for /src/usr.bin/make/varmodifiers.h between version 1.2 and 1.3

-version 1.2, 2001/05/03 13:41:15
+version 1.3, 2001/05/23 12:34:52
 Line 1
 Line 1
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+ #ifndef VARMODIFIERS_H
+ #define VARMODIFIERS_H
  /* $OpenPackages$ */
  /* $OpenBSD$ */
-Line 27
+Line 30
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   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
- #ifndef VARMODIFIERS_H
- #define VARMODIFIERS_H
+ /* VarModifiers_Init();
+  *      Set up varmodifiers internal table according to selected features.
+  *      This can be called several times without harm. */
+ extern void VarModifiers_Init(void);
+ /* result = VarModifiers_Apply(val, name, ctxt, undef_is_bad,
+  *   &should_free, modstart, endc, &length);
+  *      Applies variable modifiers starting at modstart (including :),
+  *      ending with character endc, to value val.
+  *      Variables in spec are taken from context ctxt.
+  *      If undef_is_bad, error occurs if undefined variables are mentioned.
+  *      length is filled with the total length of the modifier spec.
+  *      name holds the name of the corresponding variable, as some ODE
+  *      modifiers need it.
+  *
+  *      If both val and name are NULL, VarModifiers_Apply just parses the
+  *      modifiers specification, as it can't apply it to anything. */
  extern char *VarModifiers_Apply(char *, const struct Name *, SymTable *,
-         Boolean, Boolean *, const char *, int, size_t *);
+         bool, bool *, const char *, int, size_t *);
+ /* Direct interface to specific modifiers used under special circumstances. */
+ /* tails = Var_GetTail(string);
+  *      Returns the tail of list of words in string (needed for SysV locals). */
  extern char *Var_GetTail(char *);
+ /* heads = Var_GetHead(string);
+  *      Returns the head of list of words in string. */
+ /* XXX this does not replace foo with ., as (sun) System V make does.
+  * Should it ? */
  extern char *Var_GetHead(char *);
- extern void VarModifiers_Init(void);
  #endif