From f44ba092651aa75055e109e04b4164ea92ae7fdc Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 19 Jun 2006 21:53:48 +0000 Subject: big s/polyp/pulse/g git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/polypcore/strbuf.c | 167 ------------------------------------------------- 1 file changed, 167 deletions(-) delete mode 100644 src/polypcore/strbuf.c (limited to 'src/polypcore/strbuf.c') diff --git a/src/polypcore/strbuf.c b/src/polypcore/strbuf.c deleted file mode 100644 index d1517a11..00000000 --- a/src/polypcore/strbuf.c +++ /dev/null @@ -1,167 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - polypaudio is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include -#include -#include -#include - -#include - -#include "strbuf.h" - -/* A chunk of the linked list that makes up the string */ -struct chunk { - struct chunk *next; - size_t length; -}; - -#define CHUNK_TO_TEXT(c) ((char*) (c) + sizeof(struct chunk)) - -struct pa_strbuf { - size_t length; - struct chunk *head, *tail; -}; - -pa_strbuf *pa_strbuf_new(void) { - pa_strbuf *sb = pa_xmalloc(sizeof(pa_strbuf)); - sb->length = 0; - sb->head = sb->tail = NULL; - return sb; -} - -void pa_strbuf_free(pa_strbuf *sb) { - assert(sb); - while (sb->head) { - struct chunk *c = sb->head; - sb->head = sb->head->next; - pa_xfree(c); - } - - pa_xfree(sb); -} - -/* Make a C string from the string buffer. The caller has to free - * string with pa_xfree(). */ -char *pa_strbuf_tostring(pa_strbuf *sb) { - char *t, *e; - struct chunk *c; - assert(sb); - - e = t = pa_xmalloc(sb->length+1); - - for (c = sb->head; c; c = c->next) { - assert((size_t) (e-t) <= sb->length); - memcpy(e, CHUNK_TO_TEXT(c), c->length); - e += c->length; - } - - /* Trailing NUL */ - *e = 0; - - assert(e == t+sb->length); - - return t; -} - -/* Combination of pa_strbuf_free() and pa_strbuf_tostring() */ -char *pa_strbuf_tostring_free(pa_strbuf *sb) { - char *t; - assert(sb); - t = pa_strbuf_tostring(sb); - pa_strbuf_free(sb); - return t; -} - -/* Append a string to the string buffer */ -void pa_strbuf_puts(pa_strbuf *sb, const char *t) { - assert(sb && t); - pa_strbuf_putsn(sb, t, strlen(t)); -} - -/* Append a new chunk to the linked list */ -static void append(pa_strbuf *sb, struct chunk *c) { - assert(sb && c); - - if (sb->tail) { - assert(sb->head); - sb->tail->next = c; - } else { - assert(!sb->head); - sb->head = c; - } - - sb->tail = c; - sb->length += c->length; - c->next = NULL; -} - -/* Append up to l bytes of a string to the string buffer */ -void pa_strbuf_putsn(pa_strbuf *sb, const char *t, size_t l) { - struct chunk *c; - assert(sb && t); - - if (!l) - return; - - c = pa_xmalloc(sizeof(struct chunk)+l); - c->length = l; - memcpy(CHUNK_TO_TEXT(c), t, l); - - append(sb, c); -} - -/* Append a printf() style formatted string to the string buffer. */ -/* The following is based on an example from the GNU libc documentation */ -int pa_strbuf_printf(pa_strbuf *sb, const char *format, ...) { - int size = 100; - struct chunk *c = NULL; - - assert(sb); - - for(;;) { - va_list ap; - int r; - - c = pa_xrealloc(c, sizeof(struct chunk)+size); - - va_start(ap, format); - r = vsnprintf(CHUNK_TO_TEXT(c), size, format, ap); - va_end(ap); - - if (r > -1 && r < size) { - c->length = r; - append(sb, c); - return r; - } - - if (r > -1) /* glibc 2.1 */ - size = r+1; - else /* glibc 2.0 */ - size *= 2; - } -} -- cgit