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1 | /* -*-c-*- |
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2 | * |
| 3 | * Buffers and dynamic strings |
| 4 | * |
| 5 | * (c) 2005 Straylight/Edgeware |
| 6 | */ |
| 7 | |
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8 | /*----- Licensing notice --------------------------------------------------* |
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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. |
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16 | * |
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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. |
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21 | * |
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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 | /* --- @buf_getdstr{8,{16,24,32,64}{,l,b},z} --- * |
| 37 | * |
| 38 | * Arguments: @buf *b@ = 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 | BUF_DOSUFFIXES(BUF_GETDSTR_) |
| 59 | |
| 60 | /* --- @buf_putdstr{8,{16,24,32,64}{,l,b},z} --- * |
| 61 | * |
| 62 | * Arguments: @buf *b@ = pointer to a buffer block |
| 63 | * @dstr *d@ = string to write |
| 64 | * |
| 65 | * Returns: Zero if it worked, nonzero if there wasn't enough space. |
| 66 | * |
| 67 | * Use: Puts a dynamic string to a buffer. |
| 68 | */ |
| 69 | |
| 70 | #define BUF_PUTDSTR_(n, W, w) \ |
| 71 | int buf_putdstr##w(buf *b, dstr *d) \ |
| 72 | { return (buf_putmem##w(b, d->buf, d->len)); } |
| 73 | BUF_DOSUFFIXES(BUF_PUTDSTR_) |
| 74 | |
| 75 | /*----- That's all, folks -------------------------------------------------*/ |
~mdw / mLib / blame