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Modified fstat call in fgrow2 to use filelengthi64 on Windows, where available.

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This commit is contained in:
Ward Fisher 2016-03-02 10:51:11 -07:00
parent fbdea5c4a0
commit a81f150e88
1 changed files with 25 additions and 13 deletions
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38
libsrc/posixio.c
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@ -192,21 +192,33 @@ static int
fgrow2(const int fd, const off_t len)
{
#ifdef _WIN64
struct _stat64 sb;
if (_fstat64(fd, &sb) < 0)
/* There is a problem with fstat on Windows based systems
which manifests (so far) when Config RELEASE is built.
Use _filelengthi64 isntead.
See https://github.com/Unidata/netcdf-c/issues/188
*/
#ifdef HAVE_FILE_LENGTH_I64
__int64 file_len = 0;
if (( file_len = _filelengthi64(fd)) < 0) {
return errno;
}
if (len <= file_len)
return ENOERR;
#else
struct stat sb;
if (fstat(fd, &sb) < 0)
struct stat sb;
if (fstat(fd, &sb) < 0)
return errno;
if (len <= sb.st_size)
return ENOERR;
#endif
{
printf("Error %d: %s\n", errno, strerror(errno));
return errno;
}
if (len <= sb.st_size)
return ENOERR;
{
const char dumb = 0;
{
const char dumb = 0;
/* we don't use ftruncate() due to problem with FAT32 file systems */
/* cache current position */
const off_t pos = lseek(fd, 0, SEEK_CUR);