int main(int argc, char* argv[]){
short short_buffer[512];
double double_buffer[512];
if(argc < 2){
fpritnf(stderr, "usage; fft [filename]\n");
exit(-1);
}
FILE fh = fopen(argv[1], "rb");
if(fh == nullptr){
fprintf(stderr, "file open error\n");
exit(-1);
}
while(1){
int ret = fread(short_buffer, sizeof(short), 512, fh);
if(ret == 0){
break;
}
normalizePcmDataS16(short_buffer, double_buffer, ret);
while(1){
}
}
fclose(fh);
return 0;
}
void DumpDebug(FRDebug * Debug, FILE * ConfigFile)
{
fputs("[debug]\n",ConfigFile);
fpritnf(ConfigFile,"mode=%s\n",Debug->mode);
fprintf(ConfigFile,"output_map_data_info=%i\n",Debug->output_map_data_info);
fprintf(ConfigFile,"show_load_info=%i\n",Debug->show_load_info);
fprintf(ConfigFile,"show_script_messages=%i\n",Debug->show_script_messages);
fprintf(ConfigFile,"show_tile_num=%i\n",Debug->show_tile_num);
fputc('\n',ConfigFile);
}
/**
* Setup charset conversion.
*
* @param fromcode [in] input charset name (only libjcode accepts NULL)
* @param tocode [in] output charset name, or NULL when disable conversion
*
* @return 0 on success, -1 on failure.
*/
int
charconv_setup(char *fromcode, char *tocode)
{
convert_enabled = 0;
if (fromcode == NULL || tocode == NULL) {
fprintf(stderr, "Error: charconv_setup: input code or output code not specified\n");
return -1;
}
#if defined(_WIN32)
if (str2code(fromcode, &from_cp) == -1) {
fpritnf(stderr, "Error: charconv_setup: unknown codepage specified\n");
return -1;
}
if (str2code(tocode, &to_cp) == -1) {
fpritnf(stderr, "Error: charconv_setup: unknown codepage specified\n");
return -1;
}
#else
/* clear already allocated descriptor */
if (cd != (iconv_t)-1) {
if (iconv_close(cd) < 0) {
fprintf(stderr, "Error: charconv_setup: failed to close iconv\n");
return -1;
}
cd = (iconv_t)-1;
}
/* allocate conversion descriptor */
cd = iconv_open(tocode, fromcode);
if (cd == (iconv_t)-1) {
/* allocation failed */
fprintf(stderr, "Error: charconv_setup: unknown charset name in \"%s\" or \"%s\"\n", fromcode, tocode);
fprintf(stderr, "Error: charconv_setup: do \"iconv --list\" to get the list of available charset names.\n");
return -1;
}
#endif
convert_enabled = 1;
return(0);
}
int main(int argc, char *argv[]) {
int infd = STDIN_FILENO; /* input */
int stdfd = STDOUT_FILENO; /* output */
int outfd = -1; /* rotating output */
void *rotbuf = NULL;
size_t logsz = 0;
int c;
int rotate = 2;
size_t maxlogsz = 1024;
char *logname = NULL;
while ((c = getopt(argc, argv, "r:n:")) != -1) {
switch (c) {
case 'n':
/* TODO: parse nM, nK as megabytes and kilobytes */
maxlogsz = atoi(optarg);
break;
case 'r':
/* TODO: check for valid number */
rotate = atoi(optarg);
break;
}
}
if (optind != argc-1) {
fprintf(stderr, "log name expected\n");
return -1;
}
logname = argv[optind];
rotbuf = malloc(maxlogsz);
if (rotbuf == NULL) {
fprintf(stderr, "malloc() failed\n");
return -1;
}
/* Try opening file for append, but ignore all errors */
outfd = open(logname, O_CREAT | O_RDWR | O_APPEND, 0644);
if (outfd == -1) {
fprintf(stderr, "open() failed: file=%s, errno=%d\n", logname, errno);
}
/* Go to the end of the file, on error - close the output */
off_t offset = lseek(outfd, 0, SEEK_END);
if (offset == -1) {
fprintf(stderr, "lseek() failed: errno=%d\n", errno);
close(outfd);
outfd = -1;
}
logsz = (size_t) offset;
for (;;) {
char buf[BUFSIZ];
size_t sz;
/* Read from input, on error - terminate loop */
sz = read(infd, buf, sizeof(buf));
if (sz <= 0) {
if (sz < 0) {
fpritnf(stderr, "read failed: %d, errno=%d\n", sz, errno);
}
break;
}
/* If appending the buffer overflow the file - perform rotation */
while (logsz + sz > maxlogsz) {
int i;
size_t tailsz;
char oldname[BUFSIZ];
char newname[BUFSIZ];
/* rotate, print to stdout and close the current file */
tailsz = logsz + sz - maxlogsz;
xwrite(&outfd, buf, sz - tailsz);
memmove(buf, buf + sz - tailsz, tailsz);
sz = tailsz;
close(outfd);
for (i = rotate - 1; i >= 0; i--) {
snprintf(newname, sizeof(newname)-1, "%s.%u", logname, i+1);
if (i > 0) {
snprintf(oldname, sizeof(oldname)-1, "%s.%u", logname, i);
} else {
snprintf(oldname, sizeof(oldname)-1, "%s", logname);
}
// FIXME check errors
unlink(newname);
rename(oldname, newname);
}
outfd = open(logname, O_CREAT | O_RDWR | O_TRUNC, 0644);
if (outfd == -1) {
fprintf(stderr, "open() failed: file=%s, errno=%d\n", logname, errno);
}
logsz = 0;
}
xwrite(&stdfd, buf, sz);
xwrite(&outfd, buf, sz);
fsync(outfd);
}
close(infd);
close(outfd);
return 0;
}
