/* the Music Player Daemon (MPD) * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu) * This project's homepage is: http://www.musicpd.org * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "myfprintf.h" #include "interface.h" #include <stdarg.h> #include <sys/param.h> #include <unistd.h> #include <sys/select.h> #include <fcntl.h> #include <string.h> #include <errno.h> #define BUFFER_LENGTH MAXPATHLEN+1024 int myfprintf_stdLogMode = 0; FILE * myfprintf_out; FILE * myfprintf_err; void blockingWrite(int fd, char * string) { int len = strlen(string); int ret; while(len) { ret = write(fd,string,len); if(ret<0) { if(errno==EAGAIN || errno==EINTR) continue; return; } len-= ret; string+= ret; } } void myfprintfStdLogMode(FILE * out, FILE * err) { myfprintf_stdLogMode = 1; myfprintf_out = out; myfprintf_err = err; } void myfprintf(FILE * fp, char * format, ... ) { char buffer[BUFFER_LENGTH+1]; va_list arglist; int fd = fileno(fp); int fcntlret; memset(buffer,0,BUFFER_LENGTH+1); va_start(arglist,format); while((fcntlret=fcntl(fd,F_GETFL))==-1 && errno==EINTR); if(myfprintf_stdLogMode && (fd==1 || fd==2)) { time_t t = time(NULL); if(fd==1) fp = myfprintf_out; else fp = myfprintf_err; strftime(buffer,14,"%b %e %R",localtime(&t)); blockingWrite(fd,buffer); blockingWrite(fd," : "); vsnprintf(buffer,BUFFER_LENGTH,format,arglist); blockingWrite(fd,buffer); } else { vsnprintf(buffer,BUFFER_LENGTH,format,arglist); if((fcntlret & O_NONBLOCK) && interfacePrintWithFD(fd,buffer)==0) { } else blockingWrite(fd,buffer); } va_end(arglist); }