g[un]zip: add support for -v (verbose).

Add CONFIG_DESKTOP, almost all bloat from this change
is hidden under that.
This commit is contained in:
Denis Vlasenko
2006-10-01 15:55:11 +00:00
parent f8aa109a9f
commit 97a8dd3857
15 changed files with 122 additions and 72 deletions

View File

@@ -671,20 +671,24 @@ static int start_bunzip(bunzip_data **bdp, int in_fd, unsigned char *inbuf,
/* Example usage: decompress src_fd to dst_fd. (Stops at end of bzip data,
not end of file.) */
int uncompressStream(int src_fd, int dst_fd)
USE_DESKTOP(long long) int
uncompressStream(int src_fd, int dst_fd)
{
USE_DESKTOP(long long total_written = 0;)
char *outbuf;
bunzip_data *bd;
int i;
outbuf=xmalloc(IOBUF_SIZE);
if(!(i=start_bunzip(&bd,src_fd,0,0))) {
i=start_bunzip(&bd,src_fd,0,0);
if(!i) {
for(;;) {
if((i=read_bunzip(bd,outbuf,IOBUF_SIZE)) <= 0) break;
if(i!=write(dst_fd,outbuf,i)) {
i=RETVAL_UNEXPECTED_OUTPUT_EOF;
break;
}
USE_DESKTOP(total_written += i;)
}
}
@@ -692,27 +696,27 @@ int uncompressStream(int src_fd, int dst_fd)
if(i==RETVAL_LAST_BLOCK) {
if (bd->headerCRC!=bd->totalCRC) {
bb_error_msg("Data integrity error when decompressing.");
bb_error_msg("data integrity error when decompressing");
} else {
i=RETVAL_OK;
}
} else if (i==RETVAL_UNEXPECTED_OUTPUT_EOF) {
bb_error_msg("Compressed file ends unexpectedly");
bb_error_msg("compressed file ends unexpectedly");
} else {
bb_error_msg("Decompression failed");
bb_error_msg("decompression failed");
}
free(bd->dbuf);
free(bd);
free(outbuf);
return i;
return i ? i : USE_DESKTOP(total_written) + 0;
}
#ifdef TESTING
static char * const bunzip_errors[]={NULL,"Bad file checksum","Not bzip data",
"Unexpected input EOF","Unexpected output EOF","Data error",
"Out of memory","Obsolete (pre 0.9.5) bzip format not supported."};
"Out of memory","Obsolete (pre 0.9.5) bzip format not supported."};
/* Dumb little test thing, decompress stdin to stdout */
int main(int argc, char *argv[])
@@ -720,8 +724,8 @@ int main(int argc, char *argv[])
int i=uncompressStream(0,1);
char c;
if(i) fprintf(stderr,"%s\n", bunzip_errors[-i]);
else if(read(0,&c,1)) fprintf(stderr,"Trailing garbage ignored\n");
if(i<0) fprintf(stderr,"%s\n", bunzip_errors[-i]);
else if(read(0,&c,1)) fprintf(stderr,"Trailing garbage ignored\n");
return -i;
}
#endif