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Add strbuf_helpers.[ch]

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Functions to help assemble strbuf contents.
This commit is contained in:
Andrew Bettison 2012-07-11 14:11:59 +09:30
parent 63d1792863
commit c7488de510
4 changed files with 96 additions and 0 deletions
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1
Android.mk
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@ -21,6 +21,7 @@ SERVALD_SRC_FILES = \
serval-dna/net.c \
serval-dna/mkdir.c \
serval-dna/strbuf.c \
serval-dna/strbuf_helpers.c \
serval-dna/gateway.c \
serval-dna/overlay.c \
serval-dna/overlay_broadcast.c \

2
Makefile.in
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@ -10,6 +10,7 @@ SRCS= main.c \
net.c \
mkdir.c \
strbuf.c \
strbuf_helpers.c \
dna_identity.c \
encode.c \
fifo.c \
@ -70,6 +71,7 @@ HDRS= fifo.h \
rhizome.h \
serval.h \
strbuf.h \
strbuf_helpers.h \
sha2.h \
sqlite-amalgamation-3070900/sqlite3.h

63
strbuf_helpers.c Normal file
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@ -0,0 +1,63 @@
/*
Serval string buffer helper functions.
Copyright (C) 2012 The Serval Project
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "strbuf_helpers.h"
#include <poll.h>
strbuf strbuf_append_poll_events(strbuf sb, short events)
{
static struct { short flags; const char *name; } symbols[] = {
{ POLLIN, "IN" },
{ POLLPRI, "PRI" },
{ POLLOUT, "OUT" },
{ POLLERR, "ERR" },
{ POLLHUP, "HUP" },
{ POLLNVAL, "NVAL" },
{ POLLRDNORM, "RDNORM" },
{ POLLRDBAND, "RDBAND" },
#ifdef POLLWRNORM
{ POLLWRNORM, "WRNORM" },
#endif
#ifdef POLLWRBAND
{ POLLWRBAND, "WRBAND" },
#endif
#ifdef POLLMSG
{ POLLMSG, "MSG" },
#endif
#ifdef POLLREMOVE
{ POLLREMOVE, "REMOVE" },
#endif
#ifdef POLLRDHUP
{ POLLRDHUP, "RDHUP" },
#endif
{ 0, NULL }
}, *sp;
int n = 0;
for (sp = symbols; sp->name; ++sp) {
if (events & sp->flags) {
if (n)
strbuf_putc(sb, '|');
strbuf_puts(sb, sp->name);
++n;
}
}
if (!n)
strbuf_putc(sb, '0');
return sb;
}

30
strbuf_helpers.h Normal file
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@ -0,0 +1,30 @@
/*
Serval string buffer helper functions.
Copyright (C) 2012 The Serval Project
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __STRBUF_HELPERS_H__
#define __STRBUF_HELPERS_H__
#include "strbuf.h"
/* Append a symbolic representation of the poll(2) event flags.
* @author Andrew Bettison <andrew@servalproject.com>
*/
strbuf strbuf_append_poll_events(strbuf sb, short events);
#endif //__STRBUF_HELPERS_H__