int main(int argc,const char *argv[]) {
FILE *in = stdin;
uint base = 16;
char format = OUT_FORMAT_HEX;
int i,count = -1;
const char **args;
int res = ca_parse(argc,argv,CA_MAX1_FREE,"n=d f=c",&count,&format);
if(res < 0) {
printe("Invalid arguments: %s",ca_error(res));
usage(argv[0]);
}
if(ca_hasHelp())
usage(argv[0]);
/* TODO perhaps cmdargs should provide a possibility to restrict the values of an option */
/* like 'arg=[ohd]' */
if(format != OUT_FORMAT_DEC && format != OUT_FORMAT_HEX &&
format != OUT_FORMAT_OCT)
usage(argv[0]);
switch(format) {
case OUT_FORMAT_DEC:
base = 10;
break;
case OUT_FORMAT_HEX:
base = 16;
break;
case OUT_FORMAT_OCT:
base = 8;
break;
}
args = ca_getFree();
if(args[0]) {
in = fopen(args[0],"r");
if(!in)
error("Unable to open '%s'",args[0]);
}
ulong shname;
uchar *shmem;
if(sharebuf(fileno(in),BUF_SIZE,(void**)&shmem,&shname,0) < 0) {
if(shmem == NULL)
error("Unable to mmap buffer");
}
i = 0;
while(!ferror(stdout) && (count < 0 || count > 0)) {
size_t x,c;
c = count >= 0 ? MIN(count,BUF_SIZE) : BUF_SIZE;
c = fread(shmem,sizeof(char),c,in);
if(c == 0)
break;
for(x = 0; x < c; x++, i++) {
if(i % base == 0) {
if(i > 0)
printAscii(base,i);
printf("%08x: ",i);
}
if(isprint(shmem[x]) && shmem[x] < 0x80 && !isspace(shmem[x]))
ascii[i % base] = shmem[x];
else
ascii[i % base] = NPRINT_CHAR;
switch(format) {
case OUT_FORMAT_DEC:
printf("%03d ",shmem[x]);
break;
case OUT_FORMAT_HEX:
printf("%02x ",shmem[x]);
break;
case OUT_FORMAT_OCT:
printf("%03o ",shmem[x]);
break;
}
}
if(count >= 0)
count -= c;
}
if(ferror(in))
error("Read failed");
if(ferror(stdout))
error("Write failed");
printAscii(base,i);
destroybuf(shmem,shname);
if(args[0])
fclose(in);
return EXIT_SUCCESS;
}
int main(int argc,const char *argv[]) {
size_t bs = 4096;
size_t count = 0;
ullong total = 0;
char *inFile = NULL;
char *outFile = NULL;
FILE *in = stdin;
FILE *out = stdout;
int res = ca_parse(argc,argv,CA_NO_DASHES | CA_NO_FREE | CA_REQ_EQ,
"if=s of=s bs=k count=k",&inFile,&outFile,&bs,&count);
if(res < 0) {
printe("Invalid arguments: %s",ca_error(res));
usage(argv[0]);
}
if(ca_hasHelp())
usage(argv[0]);
if(signal(SIGINT,interrupted) == SIG_ERR)
error("Unable to set sig-handler for SIGINT");
if(inFile) {
in = fopen(inFile,"r");
if(in == NULL)
error("Unable to open '%s'",inFile);
}
if(outFile) {
out = fopen(outFile,"w");
if(out == NULL)
error("Unable to open '%s'",outFile);
}
uint64_t start = rdtsc(), end;
{
ulong shname;
uchar *shmem;
if(sharebuf(fileno(in),bs,(void**)&shmem,&shname,0) < 0) {
if(shmem == NULL)
error("Unable to mmap buffer");
}
size_t result;
ullong limit = (ullong)count * bs;
while(run && (!count || total < limit)) {
if((result = fread(shmem,1,bs,in)) == 0)
break;
if(fwrite(shmem,1,bs,out) == 0)
break;
total += result;
}
if(ferror(in))
error("Read failed");
if(ferror(out))
error("Write failed");
destroybuf(shmem,shname);
}
end = rdtsc();
uint64_t usecs = tsctotime(end - start);
printf("%zu records in\n",count);
printf("%zu records out\n",count);
printf("%Lu bytes (%.1lf MB) copied, %.1lf s, %.1lf MB/s\n",
total,total / 1000000.0,usecs / 1000000.0,total / (double)usecs);
if(inFile)
fclose(in);
if(outFile)
fclose(out);
return EXIT_SUCCESS;
}
int main(int argc,const char *argv[]) {
size_t bs = 4096;
size_t count = 0;
ullong total = 0;
char *inFile = NULL;
char *outFile = NULL;
int infd = STDIN_FILENO;
int outfd = STDOUT_FILENO;
int res = ca_parse(argc,argv,CA_NO_DASHES | CA_NO_FREE | CA_REQ_EQ,
"if=s of=s bs=k count=k",&inFile,&outFile,&bs,&count);
if(res < 0) {
printe("Invalid arguments: %s",ca_error(res));
usage(argv[0]);
}
if(ca_hasHelp())
usage(argv[0]);
if(signal(SIGINT,interrupted) == SIG_ERR)
error("Unable to set sig-handler for SIGINT");
if(inFile) {
infd = open(inFile,O_RDONLY);
if(infd < 0)
error("Unable to open '%s'",inFile);
}
if(outFile) {
outfd = open(outFile,O_WRONLY);
if(outfd < 0)
error("Unable to open '%s'",outFile);
}
uint64_t start = rdtsc(), end;
{
int shmfd;
uchar *shmem;
if((shmfd = sharebuf(infd,bs,(void**)&shmem,0)) < 0) {
if(shmem == NULL)
error("Unable to mmap buffer");
}
if(shmem) {
if(delegate(outfd,shmfd,O_RDONLY,DEL_ARG_SHFILE) < 0) {}
}
ssize_t result;
ullong limit = (ullong)count * bs;
while(run && (!count || total < limit)) {
if((result = read(infd,shmem,bs)) <= 0) {
if(result < 0)
error("Read failed");
break;
}
if(write(outfd,shmem,result) < 0)
error("Write failed");
total += result;
}
destroybuf(shmem,shmfd);
}
end = rdtsc();
uint64_t usecs = tsctotime(end - start);
printf("%zu records in\n",count);
printf("%zu records out\n",count);
printf("%Lu bytes (%.1lf MB) copied, %.1lf s, %.1lf MB/s\n",
total,total / 1000000.0,usecs / 1000000.0,total / (double)usecs);
if(inFile)
close(infd);
if(outFile)
close(outfd);
return EXIT_SUCCESS;
}