=================================================================== RCS file: /cvs/mandoc/Attic/makewhatis.c,v retrieving revision 1.4 retrieving revision 1.5 diff -u -p -r1.4 -r1.5 --- mandoc/Attic/makewhatis.c 2011/06/21 13:13:15 1.4 +++ mandoc/Attic/makewhatis.c 2011/06/21 13:54:05 1.5 @@ -1,4 +1,4 @@ -/* $Id: makewhatis.c,v 1.4 2011/06/21 13:13:15 kristaps Exp $ */ +/* $Id: makewhatis.c,v 1.5 2011/06/21 13:54:05 kristaps Exp $ */ /* * Copyright (c) 2011 Kristaps Dzonsons * @@ -42,6 +42,8 @@ #define MANDOC_BUFSZ BUFSIZ #define MANDOC_FLAGS O_CREAT|O_TRUNC|O_RDWR +/* Bit-fields. See makewhatis.1. */ + #define TYPE_NAME 0x01 #define TYPE_FUNCTION 0x02 #define TYPE_UTILITY 0x04 @@ -52,6 +54,8 @@ #define TYPE_CONFIG 0x80 #define TYPE__MAX TYPE_CONFIG +/* Buffer for storing growable data. */ + struct buf { char *cp; size_t len; @@ -60,21 +64,19 @@ struct buf { #define MAN_ARGS DB *hash, \ struct buf *buf, \ - DBT *rval, size_t *rsz, \ + struct buf *dbuf, \ const struct man_node *n #define MDOC_ARGS DB *hash, \ struct buf *buf, \ - DBT *rval, size_t *rsz, \ + struct buf *dbuf, \ const struct mdoc_node *n, \ const struct mdoc_meta *m -static void dbt_append(DBT *, size_t *, const char *); -static void dbt_appendb(DBT *, size_t *, +static void buf_append(struct buf *, const char *); +static void buf_appendb(struct buf *, const void *, size_t); -static void dbt_init(DBT *, size_t *); static void dbt_put(DB *, const char *, DBT *, DBT *); static void hash_put(DB *, const struct buf *, int); -static void usage(void); static int pman_node(MAN_ARGS); static void pmdoc_node(MDOC_ARGS); static void pmdoc_An(MDOC_ARGS); @@ -87,11 +89,10 @@ static void pmdoc_Nd(MDOC_ARGS); static void pmdoc_Nm(MDOC_ARGS); static void pmdoc_St(MDOC_ARGS); static void pmdoc_Vt(MDOC_ARGS); +static void usage(void); typedef void (*pmdoc_nf)(MDOC_ARGS); -static const char *progname; - static const pmdoc_nf mdocs[MDOC_MAX] = { NULL, /* Ap */ NULL, /* Dd */ @@ -217,6 +218,8 @@ static const pmdoc_nf mdocs[MDOC_MAX] = { NULL, /* Ta */ }; +static const char *progname; + int main(int argc, char *argv[]) { @@ -237,12 +240,12 @@ main(int argc, char *argv[]) DB *idx, /* index database */ *db, /* keyword database */ *hash; /* temporary keyword hashtable */ - DBT rkey, rval, /* recno entries */ - key, val; /* persistent keyword entries */ + DBT key, val; size_t sv, rsz; BTREEINFO info; /* btree configuration */ recno_t rec; /* current record number */ - struct buf buf; /* keyword buffer */ + struct buf buf, /* keyword buffer */ + dbuf; /* description buffer */ extern int optind; extern char *optarg; @@ -341,20 +344,16 @@ main(int argc, char *argv[]) mp = mparse_alloc(MPARSE_AUTO, MANDOCLEVEL_FATAL, NULL, NULL); - memset(&key, 0, sizeof(DBT)); - memset(&val, 0, sizeof(DBT)); - memset(&rkey, 0, sizeof(DBT)); - memset(&rval, 0, sizeof(DBT)); - - rkey.size = sizeof(recno_t); - rec = 1; rsz = 0; memset(&buf, 0, sizeof(struct buf)); + memset(&dbuf, 0, sizeof(struct buf)); - buf.size = MANDOC_BUFSZ; + buf.size = dbuf.size = MANDOC_BUFSZ; + buf.cp = mandoc_malloc(buf.size); + dbuf.cp = mandoc_malloc(dbuf.size); while (NULL != (fn = *argv++)) { mparse_reset(mp); @@ -390,24 +389,22 @@ main(int argc, char *argv[]) * going to write a nil byte in its place. */ - dbt_init(&rval, &rsz); - dbt_appendb(&rval, &rsz, fn, strlen(fn) + 1); - dbt_appendb(&rval, &rsz, msec, strlen(msec) + 1); - dbt_appendb(&rval, &rsz, mtitle, strlen(mtitle) + 1); - dbt_appendb(&rval, &rsz, arch ? arch : "", + dbuf.len = 0; + buf_appendb(&dbuf, fn, strlen(fn) + 1); + buf_appendb(&dbuf, msec, strlen(msec) + 1); + buf_appendb(&dbuf, mtitle, strlen(mtitle) + 1); + buf_appendb(&dbuf, arch ? arch : "", arch ? strlen(arch) + 1 : 1); - sv = rval.size; + sv = dbuf.len; /* Fix the record number in the btree value. */ if (mdoc) - pmdoc_node(hash, &buf, &rval, - &rsz, mdoc_node(mdoc), - mdoc_meta(mdoc)); + pmdoc_node(hash, &buf, &dbuf, + mdoc_node(mdoc), mdoc_meta(mdoc)); else - pman_node(hash, &buf, &rval, - &rsz, man_node(man)); + pman_node(hash, &buf, &dbuf, man_node(man)); /* * Copy from the in-memory hashtable of pending keywords @@ -423,9 +420,7 @@ main(int argc, char *argv[]) val.size = sizeof(vbuf); val.data = vbuf; dbt_put(db, fbbuf, &key, &val); - /*fprintf(stderr, "Recording: %s (0x%x)\n", - (char *)key.data, - *(int *)val.data);*/ + if ((*hash->del)(hash, &key, 0) < 0) { perror("hash"); exit((int)MANDOCLEVEL_SYSERR); @@ -443,13 +438,16 @@ main(int argc, char *argv[]) * set, put an empty one in now. */ - if (rval.size == sv) - dbt_appendb(&rval, &rsz, "", 1); + if (dbuf.len == sv) + buf_appendb(&dbuf, "", 1); - rkey.data = &rec; - dbt_put(idx, ibbuf, &rkey, &rval); + key.data = &rec; + key.size = sizeof(recno_t); - printf("Indexed: %s\n", fn); + val.data = dbuf.cp; + val.size = dbuf.len; + + dbt_put(idx, ibbuf, &key, &val); rec++; } @@ -459,8 +457,8 @@ main(int argc, char *argv[]) mparse_free(mp); - free(rval.data); free(buf.cp); + free(dbuf.cp); /* Atomically replace the file with our temporary one. */ @@ -473,46 +471,9 @@ main(int argc, char *argv[]) } /* - * Initialise the stored database key whose data buffer is shared - * between uses (as the key must sometimes be constructed from an array - * of + * Grow the buffer (if necessary) and copy in a binary string. */ static void -dbt_init(DBT *key, size_t *ksz) -{ - - if (0 == *ksz) { - assert(0 == key->size); - assert(NULL == key->data); - key->data = mandoc_malloc(MANDOC_BUFSZ); - *ksz = MANDOC_BUFSZ; - } - - key->size = 0; -} - -/* - * Append a binary value to a database entry. This can be invoked - * multiple times; the buffer is automatically resized. - */ -static void -dbt_appendb(DBT *key, size_t *ksz, const void *cp, size_t sz) -{ - - assert(key->data); - - /* Overshoot by MANDOC_BUFSZ. */ - - while (key->size + sz >= *ksz) { - *ksz = key->size + sz + MANDOC_BUFSZ; - key->data = mandoc_realloc(key->data, *ksz); - } - - memcpy(key->data + (int)key->size, cp, sz); - key->size += sz; -} - -static void buf_appendb(struct buf *buf, const void *cp, size_t sz) { @@ -528,27 +489,12 @@ buf_appendb(struct buf *buf, const void *cp, size_t sz } /* - * Append a nil-terminated string to the database entry. This can be - * invoked multiple times. The database entry will be nil-terminated as - * well; if invoked multiple times, a space is put between strings. + * Append a nil-terminated string to the buffer. + * This can be invoked multiple times. + * The buffer string will be nil-terminated. + * If invoked multiple times, a space is put between strings. */ static void -dbt_append(DBT *key, size_t *ksz, const char *cp) -{ - size_t sz; - - if (0 == (sz = strlen(cp))) - return; - - assert(key->data); - - if (key->size) - ((char *)key->data)[(int)key->size - 1] = ' '; - - dbt_appendb(key, ksz, cp, sz + 1); -} - -static void buf_append(struct buf *buf, const char *cp) { size_t sz; @@ -754,9 +700,9 @@ pmdoc_Nd(MDOC_ARGS) if (MDOC_TEXT != n->type) continue; if (first) - dbt_appendb(rval, rsz, n->string, strlen(n->string) + 1); + buf_appendb(dbuf, n->string, strlen(n->string) + 1); else - dbt_append(rval, rsz, n->string); + buf_append(dbuf, n->string); first = 0; } } @@ -821,9 +767,8 @@ dbt_put(DB *db, const char *dbn, DBT *key, DBT *val) if (0 == key->size) return; - assert(key->data); + assert(key->size); assert(val->size); - assert(val->data); if (0 == (*db->put)(db, key, val, 0)) return; @@ -858,14 +803,14 @@ pmdoc_node(MDOC_ARGS) break; buf->len = 0; - (*mdocs[n->tok])(hash, buf, rval, rsz, n, m); + (*mdocs[n->tok])(hash, buf, dbuf, n, m); break; default: break; } - pmdoc_node(hash, buf, rval, rsz, n->child, m); - pmdoc_node(hash, buf, rval, rsz, n->next, m); + pmdoc_node(hash, buf, dbuf, n->child, m); + pmdoc_node(hash, buf, dbuf, n->next, m); } static int @@ -952,13 +897,13 @@ pman_node(MAN_ARGS) while (' ' == *start) start++; - dbt_appendb(rval, rsz, start, strlen(start) + 1); + buf_appendb(dbuf, start, strlen(start) + 1); } } - if (pman_node(hash, buf, rval, rsz, n->child)) + if (pman_node(hash, buf, dbuf, n->child)) return(1); - if (pman_node(hash, buf, rval, rsz, n->next)) + if (pman_node(hash, buf, dbuf, n->next)) return(1); return(0); @@ -968,8 +913,5 @@ static void usage(void) { - fprintf(stderr, "usage: %s " - "[-d path] " - "[file...]\n", - progname); + fprintf(stderr, "usage: %s [-d path] [file...]\n", progname); }