kopia lustrzana https://github.com/FreeSpacenav/spnavcfg
Oh well, I guess there is no other way than duplicating the cfgfile files...
git-svn-id: svn+ssh://svn.code.sf.net/p/spacenav/code/trunk/spnavcfg@43 ef983eb1-d774-4af8-acfd-baaf7b16a646pull/1/head v0.1
John Tsiombikas
rodzic
54fb1d51c5
commit
d14c6e776e
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@ -1,11 +1,11 @@
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obj = spnavcfg.o front.o back.o ../spacenavd/cfgfile.o
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obj = spnavcfg.o front.o back.o cfgfile.o
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bin = spnavcfg
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warn = -Wall -Wno-int-to-pointer-cast -Wno-pointer-to-int-cast
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CC = gcc
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INSTALL = install
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CFLAGS = -pedantic $(warn) $(dbg) $(opt) -I../spacenavd `pkg-config --cflags gtk+-2.0`
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CFLAGS = -pedantic $(warn) $(dbg) $(opt) `pkg-config --cflags gtk+-2.0`
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LDFLAGS = `pkg-config --libs gtk+-2.0`
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$(bin): $(obj)
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@ -0,0 +1,173 @@
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/*
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spacenavd - a free software replacement driver for 6dof space-mice.
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Copyright (C) 2007 John Tsiombikas <nuclear@siggraph.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include "cfgfile.h"
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enum {TX, TY, TZ, RX, RY, RZ};
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void default_cfg(struct cfg *cfg)
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{
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cfg->sensitivity = 1.0;
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cfg->dead_threshold = 2;
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memset(cfg->invert, 0, sizeof cfg->invert);
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}
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int read_cfg(const char *fname, struct cfg *cfg)
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{
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FILE *fp;
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char buf[512];
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struct flock flk;
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default_cfg(cfg);
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if(!(fp = fopen(fname, "r"))) {
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fprintf(stderr, "failed to open config file %s: %s. using defaults.\n", fname, strerror(errno));
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return -1;
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}
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/* aquire shared read lock */
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flk.l_type = F_RDLCK;
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flk.l_start = flk.l_len = 0;
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flk.l_whence = SEEK_SET;
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while(fcntl(fileno(fp), F_SETLKW, &flk) == -1);
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while(fgets(buf, sizeof buf, fp)) {
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int isnum;
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char *key_str, *val_str, *line = buf;
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while(*line == ' ' || *line == '\t') line++;
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if(!*line || *line == '\n' || *line == '\r' || *line == '#') {
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continue;
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}
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if(!(key_str = strtok(line, " :=\n\t\r"))) {
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fprintf(stderr, "invalid config line: %s, skipping.\n", line);
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continue;
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}
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if(!(val_str = strtok(0, " :=\n\t\r"))) {
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fprintf(stderr, "missing value for config key: %s\n", key_str);
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continue;
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}
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isnum = isdigit(val_str[0]);
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if(strcmp(key_str, "dead-zone") == 0) {
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if(!isnum) {
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fprintf(stderr, "invalid configuration value for %s, expected a number.\n", key_str);
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continue;
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}
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cfg->dead_threshold = atoi(val_str);
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} else if(strcmp(key_str, "sensitivity") == 0) {
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if(!isnum) {
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fprintf(stderr, "invalid configuration value for %s, expected a number.\n", key_str);
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continue;
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}
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cfg->sensitivity = atof(val_str);
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} else if(strcmp(key_str, "invert-rot") == 0) {
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if(strchr(val_str, 'x')) {
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cfg->invert[RX] = 1;
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}
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if(strchr(val_str, 'y')) {
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cfg->invert[RY] = 1;
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}
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if(strchr(val_str, 'z')) {
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cfg->invert[RZ] = 1;
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}
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} else if(strcmp(key_str, "invert-trans") == 0) {
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if(strchr(val_str, 'x')) {
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cfg->invert[TX] = 1;
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}
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if(strchr(val_str, 'y')) {
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cfg->invert[TY] = 1;
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}
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if(strchr(val_str, 'z')) {
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cfg->invert[TZ] = 1;
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}
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} else {
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fprintf(stderr, "unrecognized config option: %s\n", key_str);
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}
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}
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/* unlock */
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flk.l_type = F_UNLCK;
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flk.l_start = flk.l_len = 0;
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flk.l_whence = SEEK_SET;
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fcntl(fileno(fp), F_SETLK, &flk);
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fclose(fp);
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return 0;
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}
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int write_cfg(const char *fname, struct cfg *cfg)
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{
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FILE *fp;
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struct flock flk;
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if(!(fp = fopen(fname, "w"))) {
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fprintf(stderr, "failed to write config file %s: %s\n", fname, strerror(errno));
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return -1;
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}
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/* aquire exclusive write lock */
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flk.l_type = F_WRLCK;
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flk.l_start = flk.l_len = 0;
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flk.l_whence = SEEK_SET;
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while(fcntl(fileno(fp), F_SETLKW, &flk) == -1);
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fprintf(fp, "# sensitivity is multiplied with every motion (1.0 normal).\n");
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fprintf(fp, "sensitivity = %.3f\n\n", cfg->sensitivity);
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fprintf(fp, "# dead zone; any motion less than this number, is discarded as noise.\n");
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fprintf(fp, "dead-zone = %d\n\n", cfg->dead_threshold);
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if(cfg->invert[0] || cfg->invert[1] || cfg->invert[2]) {
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fprintf(fp, "# invert translations on some axes.\n");
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fprintf(fp, "invert-trans = ");
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if(cfg->invert[0]) fputc('x', fp);
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if(cfg->invert[1]) fputc('y', fp);
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if(cfg->invert[2]) fputc('z', fp);
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fputs("\n\n", fp);
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}
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if(cfg->invert[3] || cfg->invert[4] || cfg->invert[5]) {
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fprintf(fp, "# invert rotations around some axes.\n");
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fprintf(fp, "invert-rot = ");
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if(cfg->invert[3]) fputc('x', fp);
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if(cfg->invert[4]) fputc('y', fp);
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if(cfg->invert[5]) fputc('z', fp);
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fputs("\n\n", fp);
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}
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/* unlock */
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flk.l_type = F_UNLCK;
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flk.l_start = flk.l_len = 0;
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flk.l_whence = SEEK_SET;
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fcntl(fileno(fp), F_SETLK, &flk);
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fclose(fp);
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return 0;
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}
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@ -0,0 +1,31 @@
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/*
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spacenavd - a free software replacement driver for 6dof space-mice.
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Copyright (C) 2007 John Tsiombikas <nuclear@siggraph.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CFGFILE_H_
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#define CFGFILE_H_
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struct cfg {
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float sensitivity;
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int dead_threshold;
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int invert[6];
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};
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void default_cfg(struct cfg *cfg);
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int read_cfg(const char *fname, struct cfg *cfg);
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int write_cfg(const char *fname, struct cfg *cfg);
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#endif /* CFGFILE_H_ */
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