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Bug 785124 - Pt 7 - Fix nsIncrementalDownload to work on sdcard. r=jduell

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This fixes the nsIncrementalDownload to work on the sdcard on the B2G emulator.
This commit is contained in:
Dave Hylands 2013-01-10 14:46:39 +01:00
parent 9139c75270
commit 4ecee878ca
1 changed files with 24 additions and 1 deletions
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25
netwerk/base/src/nsIncrementalDownload.cpp
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@ -40,7 +40,30 @@ static nsresult
WriteToFile(nsIFile *lf, const char *data, uint32_t len, int32_t flags)
{
PRFileDesc *fd;
nsresult rv = lf->OpenNSPRFileDesc(flags, 0600, &fd);
int32_t mode = 0600;
nsresult rv;
#if defined(MOZ_WIDGET_GONK)
// The sdcard on a B2G phone looks like:
// d---rwx--- system sdcard_rw 1970-01-01 01:00:00 sdcard
// On the emulator, xpcshell fails when using 0600 mode to open the file,
// and 0660 works.
nsCOMPtr<nsIFile> parent;
rv = lf->GetParent(getter_AddRefs(parent));
if (NS_FAILED(rv)) {
return rv;
}
uint32_t parentPerm;
rv = parent->GetPermissions(&parentPerm);
if (NS_FAILED(rv)) {
return rv;
}
if ((parentPerm & 0700) == 0) {
// Parent directory has no owner-write, so try to use group permissions
// instead of owner permissions.
mode = 0660;
}
#endif
rv = lf->OpenNSPRFileDesc(flags, mode, &fd);
if (NS_FAILED(rv))
return rv;