diff options
Diffstat (limited to 'src/H5FDstdio.c')
| -rw-r--r-- | src/H5FDstdio.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/H5FDstdio.c b/src/H5FDstdio.c index f7510fe..958ae97 100644 --- a/src/H5FDstdio.c +++ b/src/H5FDstdio.c @@ -770,6 +770,10 @@ static herr_t H5FD_stdio_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, const void *buf) { +#ifdef WIN32 + fpos_t tempos; +#endif + H5FD_stdio_t *file = (H5FD_stdio_t*)_file; static const char *func="H5FD_stdio_write"; /* Function Name for error reporting */ @@ -794,7 +798,7 @@ H5FD_stdio_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, if ((file->op != H5FD_STDIO_OP_WRITE && file->op != H5FD_STDIO_OP_SEEK) || file->pos != addr) { #ifdef WIN32 - fpos_t tempos =(fpos_t)(addr+SEEK_SET); + tempos =(fpos_t)(addr+SEEK_SET); if (fsetpos(file->fp,&tempos) != 0) { file->op = H5FD_STDIO_OP_UNKNOWN; @@ -827,7 +831,18 @@ H5FD_stdio_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, */ file->op = H5FD_STDIO_OP_WRITE; file->pos = addr + size; +/* The following code needs to be added for windows VC 6.0. This should be a VC++ + compiler bug. When not using ftell and fseek, although you reset the position to + the starting of the file, fwrite will somehow to go to the end of the file and + add contents. It seems they used a circular seeking algorithm, the starting point + overlaps with the ending point and windows doesn't handle correctly for the case when + file was written to the disk close to the end of the file and rewrite from the beginning + of the file. This is how HDF5 signature was written for some failing cases. */ +#ifdef WIN32 + tempos = ftell(file->fp); + fseek(file->fp,tempos,SEEK_SET); +#endif /* Update EOF if necessary */ if (file->pos>file->eof) file->eof = file->pos; |