diff options
Diffstat (limited to 'usr.bin/find/operator.c')
| -rw-r--r-- | usr.bin/find/operator.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/usr.bin/find/operator.c b/usr.bin/find/operator.c index a706b88..d7c6015 100644 --- a/usr.bin/find/operator.c +++ b/usr.bin/find/operator.c @@ -45,24 +45,24 @@ static char sccsid[] = "@(#)operator.c 8.1 (Berkeley) 6/6/93"; #include <stdio.h> #include "find.h" - + /* * yanknode -- * destructively removes the top from the plan */ static PLAN * -yanknode(planp) +yanknode(planp) PLAN **planp; /* pointer to top of plan (modified) */ { PLAN *node; /* top node removed from the plan */ - + if ((node = (*planp)) == NULL) return (NULL); (*planp) = (*planp)->next; node->next = NULL; return (node); } - + /* * yankexpr -- * Removes one expression from the plan. This is used mainly by @@ -70,7 +70,7 @@ yanknode(planp) * simple node or a N_EXPR node containing a list of simple nodes. */ static PLAN * -yankexpr(planp) +yankexpr(planp) PLAN **planp; /* pointer to top of plan (modified) */ { register PLAN *next; /* temp node holding subexpression results */ @@ -78,11 +78,11 @@ yankexpr(planp) PLAN *tail; /* pointer to tail of subplan */ PLAN *subplan; /* pointer to head of ( ) expression */ int f_expr(); - + /* first pull the top node from the plan */ if ((node = yanknode(planp)) == NULL) return (NULL); - + /* * If the node is an '(' then we recursively slurp up expressions * until we find its associated ')'. If it's a closing paren we @@ -119,7 +119,7 @@ yankexpr(planp) } return (node); } - + /* * paren_squish -- * replaces "parentheisized" plans in our search plan with "expr" nodes. @@ -131,7 +131,7 @@ paren_squish(plan) register PLAN *expr; /* pointer to next expression */ register PLAN *tail; /* pointer to tail of result plan */ PLAN *result; /* pointer to head of result plan */ - + result = tail = NULL; /* @@ -157,7 +157,7 @@ paren_squish(plan) } return (result); } - + /* * not_squish -- * compresses "!" expressions in our search plan. @@ -170,9 +170,9 @@ not_squish(plan) register PLAN *node; /* temporary node used in N_NOT processing */ register PLAN *tail; /* pointer to tail of result plan */ PLAN *result; /* pointer to head of result plan */ - + tail = result = next = NULL; - + while ((next = yanknode(&plan)) != NULL) { /* * if we encounter a ( expression ) then look for nots in @@ -215,7 +215,7 @@ not_squish(plan) } return (result); } - + /* * or_squish -- * compresses -o expressions in our search plan. @@ -227,9 +227,9 @@ or_squish(plan) register PLAN *next; /* next node being processed */ register PLAN *tail; /* pointer to tail of result plan */ PLAN *result; /* pointer to head of result plan */ - + tail = result = next = NULL; - + while ((next = yanknode(&plan)) != NULL) { /* * if we encounter a ( expression ) then look for or's in |
