diff options
Diffstat (limited to 'src/myfprintf.c')
-rw-r--r-- | src/myfprintf.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/src/myfprintf.c b/src/myfprintf.c index 588e5df2f..77c11a297 100644 --- a/src/myfprintf.c +++ b/src/myfprintf.c @@ -33,6 +33,21 @@ 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; @@ -40,31 +55,33 @@ void myfprintfStdLogMode(FILE * out, FILE * 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)) { - char str[15]; time_t t = time(NULL); if(fd==1) fp = myfprintf_out; else fp = myfprintf_err; - strftime(str,14,"%b %e %R",localtime(&t)); - fprintf(fp,"%s : ",str); - vfprintf(fp,format,arglist); + strftime(buffer,14,"%b %e %R",localtime(&t)); + blockingWrite(fd,buffer); + blockingWrite(fd," : "); + vsnprintf(buffer,BUFFER_LENGTH,format,arglist); + blockingWrite(fd,buffer); } - else if(fcntlret & O_NONBLOCK) { - char buffer[BUFFER_LENGTH+1]; + else { vsnprintf(buffer,BUFFER_LENGTH,format,arglist); - if(interfacePrintWithFD(fd,buffer)<0) { - /* not a fd from a interface */ - vfprintf(fp,format,arglist); + if((fcntlret & O_NONBLOCK) && + interfacePrintWithFD(fd,buffer)==0) + { } + else blockingWrite(fd,buffer); } - else vfprintf(fp,format,arglist); - fflush(fp); va_end(arglist); } |