223     char* buf = (char*)malloc(bufsize);  in write_update_file()  local
235         free(buf);  in write_update_file()
245         free(buf);  in write_update_file()
251     while ((amt = read(fd, buf, bufsize)) != 0 && bytesLeft > 0) {  in write_update_file()
256         err = dataStream->WriteEntityData(buf, amt);  in write_update_file()
258             free(buf);  in write_update_file()
266             memset(buf, 0, bufsize);  in write_update_file()
270                 err = dataStream->WriteEntityData(buf, amt);  in write_update_file()
272                     free(buf);  in write_update_file()
281     free(buf);  in write_update_file()
316     char* buf = (char*)malloc(bufsize);  in compute_crc32()  local
321     while ((amt = read(fd, buf, bufsize)) != 0) {  in compute_crc32()
322         crc = crc32(crc, (Bytef*)buf, amt);  in compute_crc32()
326     free(buf);  in compute_crc32()
444 static void calc_tar_checksum(char* buf, size_t buf_size) {  in calc_tar_checksum()  argument
446     memset(buf + 148, ' ', 8);  in calc_tar_checksum()
449     for (uint8_t* p = (uint8_t*) buf; p < ((uint8_t*)buf) + 512; p++) {  in calc_tar_checksum()
455     snprintf(buf + 148, buf_size - 148, "%06o", sum); // the trailing space is  in calc_tar_checksum()
460 static int write_pax_header_entry(char* buf, size_t buf_size,  in write_pax_header_entry()  argument
470     return snprintf(buf, buf_size, "%d %s=%s\n", len, key, value);  in write_pax_header_entry()
553     char* buf = (char *)calloc(1,BUFSIZE);  in write_tarfile()  local
557     char* const paxHeader = buf + PAXHEADER_OFFSET; // use a different chunk of  in write_tarfile()
561     if (buf == NULL) {  in write_tarfile()
568     strcat(buf + 257, "ustar");  in write_tarfile()
569     strcat(buf + 263, "00");  in write_tarfile()
575     snprintf(buf + 100, 8, "%06o ", s.st_mode & ~S_IFMT);  in write_tarfile()
579     snprintf(buf + 108, 8, "0%lo", (unsigned long)s.st_uid);  in write_tarfile()
580     snprintf(buf + 116, 8, "0%lo", (unsigned long)s.st_gid);  in write_tarfile()
583     snprintf(buf + 124, 12, "%011llo", (isdir) ? 0LL : s.st_size);  in write_tarfile()
586     snprintf(buf + 136, 12, "%0lo", (unsigned long)s.st_mtime);  in write_tarfile()
598     buf[156] = type;  in write_tarfile()
623             strncpy(buf, relpath.string(), 100);  in write_tarfile()
624             strncpy(buf + 345, prefix.string(), 155);  in write_tarfile()
626             strncpy(buf, fullname.string(), 100);  in write_tarfile()
655         memcpy(paxHeader, buf, 512);  in write_tarfile()
679     calc_tar_checksum(buf, BUFSIZE);  in write_tarfile()
680     send_tarfile_chunk(writer, buf, 512);  in write_tarfile()
691             ssize_t nRead = read(fd, buf, toRead);  in write_tarfile()
710                 memset(buf + nRead, 0, remainder);  in write_tarfile()
713             send_tarfile_chunk(writer, buf, nRead);  in write_tarfile()
719     free(buf);  in write_tarfile()
748     void* buf = m_buf;  in WriteFile()  local
788     while ((amt = in->ReadEntityData(buf, RESTORE_BUF_SIZE)) > 0) {  in WriteFile()
789         err = write(fd, buf, amt);  in WriteFile()
795         crc = crc32(crc, (Bytef*)buf, amt);  in WriteFile()
1204     char* buf = (char*)malloc(bufSize);  in test_read_header_and_entity()  local
1244     nRead = reader.ReadEntityData(buf, bufSize);  in test_read_header_and_entity()
1251     if (0 != memcmp(buf, str, bufSize)) {  in test_read_header_and_entity()
1253                 "%02x %02x %02x %02x  '%c%c%c%c'\n", str, buf[0], buf[1], buf[2], buf[3],  in test_read_header_and_entity()
1254                 buf[0], buf[1], buf[2], buf[3]);  in test_read_header_and_entity()
1265     free(buf);  in test_read_header_and_entity()