mirror of
https://github.com/eddyem/pointgreycam.git
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59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* This file is part of the grasshopper project.
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* Copyright 2020 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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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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*
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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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*
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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 <linux/limits.h> // PATH_MAX
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#include <stdio.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "aux.h"
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#include "cmdlnopts.h"
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// print messages for given verbose_level
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int verbose(verblevel levl, const char *fmt, ...){
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if((unsigned)verbose_level < levl) return 0;
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va_list ar; int i;
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va_start(ar, fmt);
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i = vprintf(fmt, ar);
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va_end(ar);
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printf("\n");
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fflush(stdout);
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return i;
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}
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/**
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* @brief check_filename - find file name "outfile_xxxx.suff" NOT THREAD-SAFE!
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* @param outfile - file name prefix
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* @param suff - file name suffix
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* @return NULL or next free file name like "outfile_0010.suff" (don't free() it!)
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*/
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char *check_filename(char *outfile, char *suff){
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static char buff[PATH_MAX];
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struct stat filestat;
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int num;
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for(num = 1; num < 10000; num++){
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if(snprintf(buff, PATH_MAX, "%s_%04d.%s", outfile, num, suff) < 1)
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return NULL;
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if(stat(buff, &filestat)) // OK, file not exists
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return buff;
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}
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return NULL;
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}
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