diff options
Diffstat (limited to 'usr.bin/m4/lib/ohash_create_entry.c')
-rw-r--r-- | usr.bin/m4/lib/ohash_create_entry.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/usr.bin/m4/lib/ohash_create_entry.c b/usr.bin/m4/lib/ohash_create_entry.c new file mode 100644 index 0000000..3bdc9ab --- /dev/null +++ b/usr.bin/m4/lib/ohash_create_entry.c @@ -0,0 +1,38 @@ +/* $OpenBSD: ohash_create_entry.c,v 1.2 2004/06/22 20:00:16 espie Exp $ */ +/* ex:ts=8 sw=4: + */ + +/* Copyright (c) 1999, 2004 Marc Espie <espie@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "ohash_int.h" + +/* This handles the common case of variable length keys, where the + * key is stored at the end of the record. + */ +void * +ohash_create_entry(struct ohash_info *i, const char *start, const char **end) +{ + char *p; + + if (!*end) + *end = start + strlen(start); + p = (i->alloc)(i->key_offset + (*end - start) + 1, i->data); + if (p) { + memcpy(p+i->key_offset, start, *end-start); + p[i->key_offset + (*end - start)] = '\0'; + } + return (void *)p; +} |