diff options
| -rw-r--r-- | kwset.c | 33 | ||||
| -rw-r--r-- | kwset.h | 19 |
2 files changed, 26 insertions, 26 deletions
@@ -1,3 +1,9 @@ +/* + * This file has been copied from commit e7ac713d^ in the GNU grep git + * repository. A few small changes have been made to adapt the code to + * Git. + */ + /* kwset.c - search for any of a set of keywords. Copyright 1989, 1998, 2000, 2005 Free Software Foundation, Inc. @@ -28,22 +34,13 @@ String Matching: An Aid to Bibliographic Search," CACM June 1975, Vol. 18, No. 6, which describes the failure function used below. */ -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif -#include <sys/types.h> -#include "system.h" +#include "cache.h" + #include "kwset.h" #include "obstack.h" -#ifdef GREP -extern char *xmalloc(); -# undef malloc -# define malloc xmalloc -#endif - #define NCHAR (UCHAR_MAX + 1) -#define obstack_chunk_alloc malloc +#define obstack_chunk_alloc xmalloc #define obstack_chunk_free free #define U(c) ((unsigned char) (c)) @@ -93,9 +90,7 @@ kwsalloc (char const *trans) { struct kwset *kwset; - kwset = (struct kwset *) malloc(sizeof (struct kwset)); - if (!kwset) - return NULL; + kwset = (struct kwset *) xmalloc(sizeof (struct kwset)); obstack_init(&kwset->obstack); kwset->words = 0; @@ -174,7 +169,7 @@ kwsincr (kwset_t kws, char const *text, size_t len) link = (struct tree *) obstack_alloc(&kwset->obstack, sizeof (struct tree)); if (!link) - return _("memory exhausted"); + return "memory exhausted"; link->llink = NULL; link->rlink = NULL; link->trie = (struct trie *) obstack_alloc(&kwset->obstack, @@ -182,7 +177,7 @@ kwsincr (kwset_t kws, char const *text, size_t len) if (!link->trie) { obstack_free(&kwset->obstack, link); - return _("memory exhausted"); + return "memory exhausted"; } link->trie->accepting = 0; link->trie->links = NULL; @@ -405,7 +400,7 @@ kwsprep (kwset_t kws) /* Looking for just one string. Extract it from the trie. */ kwset->target = obstack_alloc(&kwset->obstack, kwset->mind); if (!kwset->target) - return _("memory exhausted"); + return "memory exhausted"; for (i = kwset->mind - 1, curr = kwset->trie; i >= 0; --i) { kwset->target[i] = curr->links->label; @@ -597,9 +592,7 @@ cwexec (kwset_t kws, char const *text, size_t len, struct kwsmatch *kwsmatch) register struct tree const *tree; register char const *trans; -#ifdef lint accept = NULL; -#endif /* Initialize register copies and look for easy ways out. */ kwset = (struct kwset *) kws; @@ -1,3 +1,8 @@ +/* This file has been copied from commit e7ac713d^ in the GNU grep git + * repository. A few small changes have been made to adapt the code to + * Git. + */ + /* kwset.h - header declaring the keyword set library. Copyright (C) 1989, 1998, 2005 Free Software Foundation, Inc. @@ -27,22 +32,23 @@ struct kwsmatch size_t size[1]; /* Length of each submatch. */ }; -typedef ptr_t kwset_t; +struct kwset_t; +typedef struct kwset_t* kwset_t; /* Return an opaque pointer to a newly allocated keyword set, or NULL if enough memory cannot be obtained. The argument if non-NULL specifies a table of character translations to be applied to all pattern and search text. */ -extern kwset_t kwsalloc PARAMS((char const *)); +extern kwset_t kwsalloc(char const *); /* Incrementally extend the keyword set to include the given string. Return NULL for success, or an error message. Remember an index number for each keyword included in the set. */ -extern const char *kwsincr PARAMS((kwset_t, char const *, size_t)); +extern const char *kwsincr(kwset_t, char const *, size_t); /* When the keyword set has been completely built, prepare it for use. Return NULL for success, or an error message. */ -extern const char *kwsprep PARAMS((kwset_t)); +extern const char *kwsprep(kwset_t); /* Search through the given buffer for a member of the keyword set. Return a pointer to the leftmost longest match found, or NULL if @@ -50,7 +56,8 @@ extern const char *kwsprep PARAMS((kwset_t)); the matching substring in the integer it points to. Similarly, if foundindex is non-NULL, store the index of the particular keyword found therein. */ -extern size_t kwsexec PARAMS((kwset_t, char const *, size_t, struct kwsmatch *)); +extern size_t kwsexec(kwset_t, char const *, size_t, struct kwsmatch *); /* Deallocate the given keyword set and all its associated storage. */ -extern void kwsfree PARAMS((kwset_t)); +extern void kwsfree(kwset_t); + |