Allow piping files to stdin and stdout

This commit is contained in:
cybermind 2021-07-26 22:06:54 +05:00
parent c0259a77b4
commit c1a2e9a82c

View File

@ -34,6 +34,10 @@
#include <stdlib.h>
#include <string.h>
#include "stream.h"
#ifdef _WIN32
#include <fcntl.h>
#include <io.h>
#endif
/**
* Close file stream
@ -98,7 +102,30 @@ static int lzsa_filestream_eof(lzsa_stream_t *stream) {
* @return 0 for success, nonzero for failure
*/
int lzsa_filestream_open(lzsa_stream_t *stream, const char *pszInFilename, const char *pszMode) {
const char* stdInOutFile = "-";
const char* stdInMode = "rb";
const char* stdOutMode = "wb";
int result;
if (!strncmp(pszInFilename, stdInOutFile, 1)) {
if (!strncmp(pszMode, stdInMode, 2)) {
#ifdef _WIN32
result = _setmode(_fileno(stdin), _O_BINARY);
#endif
stream->obj = stdin;
} else if (!strncmp(pszMode, stdOutMode, 2)) {
#ifdef _WIN32
result = _setmode(_fileno(stdout), _O_BINARY);
#endif
stream->obj = stdout;
} else {
return -1;
}
} else {
stream->obj = (void*)fopen(pszInFilename, pszMode);
}
if (stream->obj) {
stream->read = lzsa_filestream_read;
stream->write = lzsa_filestream_write;