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fs: Fix fstat retarget for regular files #5203

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Merged
merged 1 commit into from
Oct 5, 2017
Merged

fs: Fix fstat retarget for regular files #5203

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17 changes: 13 additions & 4 deletions platform/mbed_retarget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -446,6 +446,7 @@ int _lseek(FILEHANDLE fh, int offset, int whence)
#if defined(__ARMCC_VERSION)
int whence = SEEK_SET;
#endif

if (fh < 3) {
errno = ESPIPE;
return -1;
Expand Down Expand Up @@ -536,13 +537,21 @@ extern "C" __value_in_regs struct __initial_stackheap __user_setup_stackheap(uin


#if !defined(__ARMCC_VERSION) && !defined(__ICCARM__)
extern "C" int _fstat(int fd, struct stat *st) {
if (fd < 3) {
extern "C" int _fstat(int fh, struct stat *st) {
if (fh < 3) {
st->st_mode = S_IFCHR;
return 0;
}
errno = EBADF;
return -1;

FileHandle* fhc = filehandles[fh-3];
if (fhc == NULL) {
errno = EBADF;
return -1;
}

st->st_mode = fhc->isatty() ? S_IFCHR : S_IFREG;
st->st_size = fhc->size();
return 0;
}
#endif

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