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set stdout/stderr to be unbuffered when they are not connected to a file #6

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set stdout/stderr to be unbuffered when they are not connected to a file #6

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15 changes: 15 additions & 0 deletions scanner/scanner.c
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Original file line number Diff line number Diff line change
@@ -1,7 +1,12 @@
/* See COPYING file for copyright and license details. */

#include <sys/types.h>
#include <sys/stat.h>
#ifdef G_OS_WIN32
#include <windows.h>
#include <io.h>
#else
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>
Expand Down Expand Up @@ -119,6 +124,13 @@ enum modes
LOUDNESS_MODE_DUMP
};

void set_buffering_mode(FILE *fp)
{
struct stat stb;
if (fstat(fileno(fp), &stb) == 0 && (stb.st_mode & S_IFMT) != S_IFREG)
setbuf(fp, 0);
}

int main(int argc, char *argv[])
{
GSList *errors = NULL, *files = NULL;
Expand All @@ -129,6 +141,9 @@ int main(int argc, char *argv[])
print_help();
exit(EXIT_FAILURE);
}
set_buffering_mode(stdout);
set_buffering_mode(stderr);

if (!strcmp(argv[1], "scan")) {
mode = LOUDNESS_MODE_SCAN;
mode_parsed = loudness_scan_parse(&argc, &argv);
Expand Down