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2014-03-28 Richard Biener <rguenther@suse.de> 

libiberty/
	* simple-object.c (simple_object_internal_read): Handle
	EINTR and short reads.

	lto-plugin/
	* lto-plugin.c (process_symtab): Handle EINTR and short reads.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208898 138bc75d-0d04-0410-961f-82ee72b054a4
This commit is contained in:
rguenth 2014-03-28 14:05:49 +00:00 committed by Tom Tromey
parent 201f096fea
commit 81ad11e32c
2 changed files with 22 additions and 8 deletions
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5
libiberty/ChangeLog
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@ -1,3 +1,8 @@
2014-03-28 Richard Biener <rguenther@suse.de>
* simple-object.c (simple_object_internal_read): Handle
EINTR and short reads.
2014-03-13 Uros Bizjak <ubizjak@gmail.com>
* regex.c (bzero) [!_LIBC]: Define without coma expression.

25
libiberty/simple-object.c
View File

@ -63,8 +63,6 @@ simple_object_internal_read (int descriptor, off_t offset,
unsigned char *buffer, size_t size,
const char **errmsg, int *err)
{
ssize_t got;
if (lseek (descriptor, offset, SEEK_SET) < 0)
{
*errmsg = "lseek";
@ -72,15 +70,26 @@ simple_object_internal_read (int descriptor, off_t offset,
return 0;
}
got = read (descriptor, buffer, size);
if (got < 0)
do
{
*errmsg = "read";
*err = errno;
return 0;
ssize_t got = read (descriptor, buffer, size);
if (got == 0)
break;
else if (got > 0)
{
buffer += got;
size -= got;
}
else if (errno != EINTR)
{
*errmsg = "read";
*err = errno;
return 0;
}
}
while (size > 0);
if ((size_t) got < size)
if (size > 0)
{
*errmsg = "file too short";
*err = 0;