| | 1 | /* -*-c-*- |
| | 2 | * |
| | 3 | * Buffers and dynamic strings |
| | 4 | * |
| | 5 | * (c) 2005 Straylight/Edgeware |
| | 6 | */ |
| | 7 | |
| | 8 | /*----- Licensing notice --------------------------------------------------* |
| | 9 | * |
| | 10 | * This file is part of the mLib utilities library. |
| | 11 | * |
| | 12 | * mLib is free software; you can redistribute it and/or modify |
| | 13 | * it under the terms of the GNU Library General Public License as |
| | 14 | * published by the Free Software Foundation; either version 2 of the |
| | 15 | * License, or (at your option) any later version. |
| | 16 | * |
| | 17 | * mLib is distributed in the hope that it will be useful, |
| | 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 20 | * GNU Library General Public License for more details. |
| | 21 | * |
| | 22 | * You should have received a copy of the GNU Library General Public |
| | 23 | * License along with mLib; if not, write to the Free |
| | 24 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| | 25 | * MA 02111-1307, USA. |
| | 26 | */ |
| | 27 | |
| | 28 | /*----- Header files ------------------------------------------------------*/ |
| | 29 | |
| | 30 | #include <string.h> |
| | 31 | |
| | 32 | #include "buf.h" |
| | 33 | |
| | 34 | /*----- Main code ---------------------------------------------------------*/ |
| | 35 | |
| | 36 | /* --- @{,d}buf_getdstr{8,{16,24,32,64}{,l,b},z} --- * |
| | 37 | * |
| | 38 | * Arguments: @buf *b@ or @dbuf *db@ = pointer to a buffer block |
| | 39 | * @dstr *d@ = where to put the result |
| | 40 | * |
| | 41 | * Returns: Zero if it worked, nonzero if there wasn't enough space. |
| | 42 | * |
| | 43 | * Use: Gets a block of data from a buffer, and writes its contents |
| | 44 | * to a string. |
| | 45 | */ |
| | 46 | |
| | 47 | #define BUF_GETDSTR_(n, W, w) \ |
| | 48 | int buf_getdstr##w(buf *b, dstr *d) \ |
| | 49 | { \ |
| | 50 | void *p; \ |
| | 51 | size_t sz; \ |
| | 52 | \ |
| | 53 | if ((p = buf_getmem##w(b, &sz)) == 0) \ |
| | 54 | return (-1); \ |
| | 55 | DPUTM(d, p, sz); \ |
| | 56 | return (0); \ |
| | 57 | } \ |
| | 58 | int (dbuf_getdstr##w)(dbuf *db, dstr *d) \ |
| | 59 | { return (dbuf_getdstr##w(db, d)); } |
| | 60 | BUF_DOSUFFIXES(BUF_GETDSTR_) |
| | 61 | |
| | 62 | /* --- @{,d}buf_putdstr{8,{16,24,32,64}{,l,b},z} --- * |
| | 63 | * |
| | 64 | * Arguments: @buf *b@ or @dbuf *db@ = pointer to a buffer block |
| | 65 | * @dstr *d@ = string to write |
| | 66 | * |
| | 67 | * Returns: Zero if it worked, nonzero if there wasn't enough space. |
| | 68 | * |
| | 69 | * Use: Puts a dynamic string to a buffer. |
| | 70 | */ |
| | 71 | |
| | 72 | #define BUF_PUTDSTR_(n, W, w) \ |
| | 73 | int buf_putdstr##w(buf *b, dstr *d) \ |
| | 74 | { return (buf_putmem##w(b, d->buf, d->len)); } \ |
| | 75 | int (dbuf_putdstr##w)(dbuf *db, dstr *d) \ |
| | 76 | { return (dbuf_putdstr##w(db, d)); } |
| | 77 | BUF_DOSUFFIXES(BUF_PUTDSTR_) |
| | 78 | |
| | 79 | /*----- That's all, folks -------------------------------------------------*/ |
~mdw / mLib / blame_incremental