* Full support of XPATH 1.0 according to https://www.w3.org/TR/xpath-10 using yacc/lex
* The previous XPATH imlementation was very restricted. * The only function implemented is the Yang extension "current()". No other functions are implemented (eg last(), count()).
This commit is contained in:
parent
60ce7b12bd
commit
bf728b37b8
26 changed files with 2856 additions and 481 deletions
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@ -92,7 +92,7 @@ chunk_initialize ()
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chunk_pagesz = getpagesize();
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bzero (&chunk_heads, sizeof (chunk_heads));
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bzero (&chunk_heads, sizeof(chunk_heads));
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for (idx = 0; idx < CHUNK_HEADS; idx++) {
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chunk_head_t *chead = &chunk_heads[idx];
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@ -121,7 +121,7 @@ chunk_initialize ()
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*/
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chead->ch_size =
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(chead->ch_blksz / chead->ch_nchkperblk)
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- sizeof (chunk_t);
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- sizeof(chunk_t);
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}
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@ -150,22 +150,22 @@ chunk_new_block (chunk_head_t *chead)
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PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
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if (blk == MAP_FAILED)
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return -1;
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memset ((void *)blk, 0, sizeof(*blk));
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memset((void *)blk, 0, sizeof(*blk));
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/* Allocate chunk block */
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blk->cb_blk = (void *)
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mmap(NULL, chead->ch_blksz,
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PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
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if (blk->cb_blk == MAP_FAILED) {
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munmap (blk, chead->ch_blksz);
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munmap(blk, chead->ch_blksz);
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return -1;
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}
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memset (blk->cb_blk, 0, chead->ch_blksz);
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memset(blk->cb_blk, 0, chead->ch_blksz);
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/* Initialize chunk header */
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blk->cb_head = chead;
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INSQ (blk, chead->ch_blks);
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INSQ(blk, chead->ch_blks);
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chead->ch_nblks++;
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/* Initialize chunks */
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@ -174,10 +174,10 @@ chunk_new_block (chunk_head_t *chead)
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cnk = (chunk_t *)c;
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cnk->c_blk = blk;
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INSQ (cnk, chead->ch_free);
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INSQ(cnk, chead->ch_free);
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chead->ch_nfree++;
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c += (chead->ch_size + sizeof (chunk_t));
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c += (chead->ch_size + sizeof(chunk_t));
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}
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@ -188,7 +188,7 @@ chunk_new_block (chunk_head_t *chead)
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* chunk_release_block() - Unqueue a block, it's chunks and free mem
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*/
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static void
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chunk_release_block (chunk_block_t *cblk)
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chunk_release_block(chunk_block_t *cblk)
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{
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int idx;
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char *c;
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@ -201,7 +201,7 @@ chunk_release_block (chunk_block_t *cblk)
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/*
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* Dequeue block
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*/
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DELQ (cblk, chead->ch_blks, chunk_block_t *);
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DELQ(cblk, chead->ch_blks, chunk_block_t *);
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chead->ch_nblks--;
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/*
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@ -211,17 +211,17 @@ chunk_release_block (chunk_block_t *cblk)
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for (idx = 0; idx < chead->ch_nchkperblk; idx++) {
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cnk = (chunk_t *)c;
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DELQ (cnk, chead->ch_free, chunk_t *);
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DELQ(cnk, chead->ch_free, chunk_t *);
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chead->ch_nfree--;
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c += (chead->ch_size + sizeof (chunk_t));
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c += (chead->ch_size + sizeof(chunk_t));
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}
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/*
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* Free block
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*/
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munmap ((void *)cblk->cb_blk, chead->ch_blksz);
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munmap ((void *)cblk, sizeof(*cblk));
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munmap((void *)cblk->cb_blk, chead->ch_blksz);
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munmap((void *)cblk, sizeof(*cblk));
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}
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@ -230,7 +230,7 @@ chunk_release_block (chunk_block_t *cblk)
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* chunk_alloc() - Map new chunk of memory
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*/
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static void *
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chunk_alloc (size_t len)
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chunk_alloc(size_t len)
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{
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register int idx;
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chunk_head_t *chead;
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@ -258,21 +258,21 @@ chunk_alloc (size_t len)
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/* Get new block if necessary */
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if (!chead->ch_nfree)
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if (chunk_new_block (chead))
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if (chunk_new_block(chead))
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return (void *)NULL;
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/* Move a free chunk to the in-use list */
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cnk = chead->ch_free;
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DELQ (cnk, chead->ch_free, chunk_t *);
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DELQ(cnk, chead->ch_free, chunk_t *);
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chead->ch_nfree--;
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INSQ (cnk, chead->ch_cnks);
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INSQ(cnk, chead->ch_cnks);
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/* Add reference to the corresponding block */
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cnk->c_blk->cb_ref++;
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#ifdef CHUNK_DIAG
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/* Clear diag info */
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bzero ((void *)&cnk->c_diag, sizeof (cnk->c_diag));
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bzero((void *)&cnk->c_diag, sizeof(cnk->c_diag));
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#endif /* CHUNK_DIAG */
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/* Return pointer to first byte after the chunk header */
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@ -285,9 +285,9 @@ chunk_alloc (size_t len)
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*/
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void *
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#ifdef CHUNK_DIAG
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_chunk (size_t len, const char *name, const char *file, int line)
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_chunk(size_t len, const char *name, const char *file, int line)
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#else
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chunk (size_t len, const char *name)
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chunk(size_t len, const char *name)
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#endif
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{
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int newgrp = 0;
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@ -306,10 +306,10 @@ chunk (size_t len, const char *name)
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/* Get actual chunk
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*/
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ptr = chunk_alloc (len);
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ptr = chunk_alloc(len);
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if (!ptr)
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goto error;
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cnk = (chunk_t *) (((char *)ptr) - sizeof (chunk_t));
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cnk = (chunk_t *) (((char *)ptr) - sizeof(chunk_t));
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#ifdef CHUNK_DIAG
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/* Store who reuested us
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@ -329,7 +329,7 @@ chunk (size_t len, const char *name)
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if (chunk_grp) {
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tmp = chunk_grp;
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do {
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if (!strcmp (tmp->cg_name, name)) {
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if (!strcmp(tmp->cg_name, name)) {
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grp = tmp;
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break;
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}
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@ -343,26 +343,26 @@ chunk (size_t len, const char *name)
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*/
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if ( !grp ) {
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grp = (chunk_group_t *) chunk_alloc (sizeof (chunk_group_t));
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grp = (chunk_group_t *) chunk_alloc(sizeof(chunk_group_t));
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if (!grp)
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goto error;
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bzero (grp, sizeof (chunk_group_t));
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bzero(grp, sizeof(chunk_group_t));
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grp->cg_name = (char *) chunk_alloc (strlen (name) + 1);
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grp->cg_name = (char *) chunk_alloc(strlen(name) + 1);
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if (!grp->cg_name)
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goto error;
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bcopy (name, grp->cg_name, strlen(name)+1);
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bcopy(name, grp->cg_name, strlen(name)+1);
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newgrp = 1;
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}
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/* Get new entry.
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*/
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ent = (chunk_grpent_t *) chunk_alloc (sizeof (chunk_grpent_t));
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ent = (chunk_grpent_t *) chunk_alloc(sizeof(chunk_grpent_t));
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if (!ent)
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goto error;
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bzero (ent, sizeof (chunk_grpent_t));
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bzero(ent, sizeof(chunk_grpent_t));
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/* Now put everything together
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*/
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@ -371,22 +371,22 @@ chunk (size_t len, const char *name)
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ent->ce_cnk = cnk;
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ent->ce_grp = grp;
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INSQ (ent, grp->cg_ent);
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INSQ(ent, grp->cg_ent);
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if (newgrp)
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INSQ (grp, chunk_grp);
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INSQ(grp, chunk_grp);
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return (ptr);
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error:
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if (grp && newgrp) {
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if (grp->cg_name)
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unchunk (grp->cg_name);
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unchunk (grp);
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unchunk(grp->cg_name);
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unchunk(grp);
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}
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if (ent)
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unchunk (ent);
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unchunk(ent);
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if (ptr)
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unchunk (ptr);
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unchunk(ptr);
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return (void *) NULL;
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}
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@ -397,9 +397,9 @@ chunk (size_t len, const char *name)
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*/
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void *
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#ifdef CHUNK_DIAG
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_rechunk (void *ptr, size_t len, const char *name, const char *file, int line)
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_rechunk(void *ptr, size_t len, const char *name, const char *file, int line)
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#else
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rechunk (void *ptr, size_t len, const char *name)
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rechunk(void *ptr, size_t len, const char *name)
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#endif
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{
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int idx;
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@ -414,22 +414,22 @@ rechunk (void *ptr, size_t len, const char *name)
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*/
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if (!ptr) {
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#ifdef CHUNK_DIAG
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return _chunk (len, name, file, line);
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return _chunk(len, name, file, line);
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#else
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return chunk (len, name);
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return chunk(len, name);
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#endif
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}
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/* Zero length, free chunk
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*/
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if (len == 0) {
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unchunk (ptr);
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unchunk(ptr);
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return (void *) NULL;
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}
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/* Rewind pointer to beginning of chunk header
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*/
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cnk = (chunk_t *) (((char *)ptr) - sizeof (chunk_t));
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cnk = (chunk_t *) (((char *)ptr) - sizeof(chunk_t));
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chead = cnk->c_blk->cb_head;
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/* Find sufficient sized block head
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@ -451,22 +451,22 @@ rechunk (void *ptr, size_t len, const char *name)
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/* Get new chunk
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*/
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#ifdef CHUNK_DIAG
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new = _chunk (len, name, file, line);
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new = _chunk(len, name, file, line);
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#else
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new = chunk (len, name);
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new = chunk(len, name);
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#endif
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if (!new)
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return (void *) NULL;
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newcnk = (chunk_t *) (((char *)new) - sizeof (chunk_t));
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newcnk = (chunk_t *) (((char *)new) - sizeof(chunk_t));
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newchead = newcnk->c_blk->cb_head;
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/* Copy contents to new chunk
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*/
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bcopy (ptr, new, MIN(newchead->ch_size, chead->ch_size));
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bcopy(ptr, new, MIN(newchead->ch_size, chead->ch_size));
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/* Free old chunk
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*/
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unchunk (ptr);
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unchunk(ptr);
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return (new);
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@ -476,7 +476,7 @@ rechunk (void *ptr, size_t len, const char *name)
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* unchunk() - Release chunk
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*/
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void
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unchunk (void *ptr)
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unchunk(void *ptr)
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{
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chunk_t *cnk;
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chunk_head_t *chead;
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@ -489,14 +489,14 @@ unchunk (void *ptr)
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/* Rewind pointer to beginning of chunk header
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*/
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cnk = (chunk_t *) (((char *)ptr) - sizeof (chunk_t));
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cnk = (chunk_t *) (((char *)ptr) - sizeof(chunk_t));
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cblk = cnk->c_blk;
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chead = cblk->cb_head;
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/* Move chunk back to free list
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*/
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DELQ (cnk, chead->ch_cnks, chunk_t *);
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INSQ (cnk, chead->ch_free);
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DELQ(cnk, chead->ch_cnks, chunk_t *);
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INSQ(cnk, chead->ch_free);
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chead->ch_nfree++;
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/* If chunk is grouped, remove from group.
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@ -504,13 +504,13 @@ unchunk (void *ptr)
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ent = cnk->c_grpent;
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if (ent) {
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grp = ent->ce_grp;
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DELQ (ent, grp->cg_ent, chunk_grpent_t *);
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unchunk (ent);
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DELQ(ent, grp->cg_ent, chunk_grpent_t *);
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unchunk(ent);
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cnk->c_grpent = NULL;
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/* Group empty? */
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if (!dont_unchunk_group && !grp->cg_ent) {
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DELQ (grp, chunk_grp, chunk_group_t *);
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DELQ(grp, chunk_grp, chunk_group_t *);
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unchunk(grp->cg_name);
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unchunk(grp);
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}
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@ -528,7 +528,7 @@ unchunk (void *ptr)
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* unchunk_group() - Release all group chunks.
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*/
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void
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unchunk_group (const char *name)
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unchunk_group(const char *name)
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{
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chunk_group_t *tmp;
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chunk_group_t *grp = NULL;
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@ -542,7 +542,7 @@ unchunk_group (const char *name)
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if (chunk_grp) {
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tmp = chunk_grp;
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do {
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if (!strcmp (tmp->cg_name, name)) {
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if (!strcmp(tmp->cg_name, name)) {
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grp = tmp;
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break;
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}
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@ -560,16 +560,16 @@ unchunk_group (const char *name)
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dont_unchunk_group = 1;
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while (grp->cg_ent) {
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cnk = grp->cg_ent->ce_cnk;
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unchunk ((chunk_t *)(((char *)cnk) + sizeof (chunk_t)));
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unchunk((chunk_t *)(((char *)cnk) + sizeof(chunk_t)));
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}
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dont_unchunk_group = 0;
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/* Remove group from list and free it
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*/
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DELQ (grp, chunk_grp, chunk_group_t *);
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unchunk (grp->cg_name);
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unchunk (grp);
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DELQ(grp, chunk_grp, chunk_group_t *);
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unchunk(grp->cg_name);
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unchunk(grp);
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}
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/*
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@ -577,9 +577,9 @@ unchunk_group (const char *name)
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*/
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void *
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#ifdef CHUNK_DIAG
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_chunkdup (const void *ptr, size_t len, const char *name, const char *file, int line)
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_chunkdup(const void *ptr, size_t len, const char *name, const char *file, int line)
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#else
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chunkdup (const void *ptr, size_t len, const char *name)
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chunkdup(const void *ptr, size_t len, const char *name)
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#endif
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{
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void *new;
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@ -592,9 +592,9 @@ chunkdup (const void *ptr, size_t len, const char *name)
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/* Get new chunk
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*/
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#ifdef CHUNK_DIAG
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new = _chunk (len, name, file, line);
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new = _chunk(len, name, file, line);
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#else
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new = chunk (len, name);
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new = chunk(len, name);
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#endif
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if (!new)
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return (void *)NULL;
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@ -610,7 +610,7 @@ chunkdup (const void *ptr, size_t len, const char *name)
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* chunksize() - Return size of memory chunk.
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*/
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size_t
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chunksize (void *ptr)
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chunksize(void *ptr)
|
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{
|
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chunk_t *cnk;
|
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chunk_head_t *chead;
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|
|
@ -621,7 +621,7 @@ chunksize (void *ptr)
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/* Rewind pointer to beginning of chunk header
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*/
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cnk = (chunk_t *) (((char *)ptr) - sizeof (chunk_t));
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cnk = (chunk_t *) (((char *)ptr) - sizeof(chunk_t));
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cblk = cnk->c_blk;
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chead = cblk->cb_head;
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|
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@ -635,10 +635,10 @@ chunksize (void *ptr)
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*/
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char *
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#ifdef CHUNK_DIAG
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_chunk_strncat (const char *dst, const char *src, size_t n, const char *name,
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_chunk_strncat(const char *dst, const char *src, size_t n, const char *name,
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const char *file, int line)
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#else
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chunk_strncat (const char *dst, const char *src, size_t n, const char *name)
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chunk_strncat(const char *dst, const char *src, size_t n, const char *name)
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#endif
|
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{
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size_t len;
|
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|
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@ -651,7 +651,7 @@ chunk_strncat (const char *dst, const char *src, size_t n, const char *name)
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#ifdef CHUNK_DIAG
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ptr = _rechunk(ptr, len, name, file, line);
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#else
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ptr = rechunk (ptr, len, name);
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ptr = rechunk(ptr, len, name);
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#endif
|
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if (ptr == NULL)
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return NULL;
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|
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@ -670,10 +670,10 @@ chunk_strncat (const char *dst, const char *src, size_t n, const char *name)
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*/
|
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char *
|
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#ifdef CHUNK_DIAG
|
||||
_chunk_sprintf (const char *name, const char *file,
|
||||
_chunk_sprintf(const char *name, const char *file,
|
||||
int line, const char *fmt, ...)
|
||||
#else
|
||||
chunk_sprintf (const char *name, char *fmt, ...)
|
||||
chunk_sprintf(const char *name, char *fmt, ...)
|
||||
#endif
|
||||
{
|
||||
size_t len;
|
||||
|
|
@ -683,13 +683,13 @@ chunk_sprintf (const char *name, char *fmt, ...)
|
|||
/* Calculate formatted string length */
|
||||
va_start(args, fmt);
|
||||
len = vsnprintf(NULL, 0, fmt, args) + 1;
|
||||
va_end (args);
|
||||
va_end(args);
|
||||
|
||||
/* get chunk */
|
||||
#ifdef CHUNK_DIAG
|
||||
str = _chunk (len, name, file, line);
|
||||
str = _chunk(len, name, file, line);
|
||||
#else
|
||||
str = chunk (len, name);
|
||||
str = chunk(len, name);
|
||||
#endif
|
||||
if (str == NULL)
|
||||
return NULL;
|
||||
|
|
@ -697,7 +697,7 @@ chunk_sprintf (const char *name, char *fmt, ...)
|
|||
/* Format string */
|
||||
va_start(args, fmt);
|
||||
len = vsnprintf(str, len, fmt, args);
|
||||
va_end (args);
|
||||
va_end(args);
|
||||
|
||||
return str;
|
||||
}
|
||||
|
|
@ -756,7 +756,7 @@ chunk_check(FILE *fout, const char *name)
|
|||
if (chunk_grp) {
|
||||
tmp = chunk_grp;
|
||||
do {
|
||||
if (!strcmp (tmp->cg_name, name)) {
|
||||
if (!strcmp(tmp->cg_name, name)) {
|
||||
grp = tmp;
|
||||
break;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -436,7 +436,7 @@ db_regexp(char *file,
|
|||
goto quit;
|
||||
}
|
||||
pair = &newpairs[npairs];
|
||||
memset (pair, 0, sizeof(*pair));
|
||||
memset(pair, 0, sizeof(*pair));
|
||||
|
||||
pair->dp_key = chunk_sprintf(label, "%s", key);
|
||||
if (regexp)
|
||||
|
|
@ -451,7 +451,7 @@ db_regexp(char *file,
|
|||
}
|
||||
if ( ! noval) {
|
||||
if (vlen){
|
||||
pair->dp_val = chunkdup (val, vlen, label);
|
||||
pair->dp_val = chunkdup(val, vlen, label);
|
||||
if (pair->dp_val == NULL) {
|
||||
clicon_err(OE_DB, errno, "%s: chunkdup", __FUNCTION__);
|
||||
goto quit;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue