X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=libiberty%2Fsimple-object.c;h=5d379d053c419cfacf812ba89e60fe93b8d7b73d;hb=6d19a37a8f3be44fb006c7854a12f9edcb74080d;hp=fde3454dd42c8df1e6ba65663ceed796850093e2;hpb=07a8e9f0361a21ecced933a32e98a38e7b04d590;p=deliverable%2Fbinutils-gdb.git

diff --git a/libiberty/simple-object.c b/libiberty/simple-object.c
index fde3454dd4..5d379d053c 100644
--- a/libiberty/simple-object.c
+++ b/libiberty/simple-object.c
@@ -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;
@@ -98,8 +107,6 @@ simple_object_internal_write (int descriptor, off_t offset,
 			      const unsigned char *buffer, size_t size,
 			      const char **errmsg, int *err)
 {
-  ssize_t wrote;
-
   if (lseek (descriptor, offset, SEEK_SET) < 0)
     {
       *errmsg = "lseek";
@@ -107,15 +114,26 @@ simple_object_internal_write (int descriptor, off_t offset,
       return 0;
     }
 
-  wrote = write (descriptor, buffer, size);
-  if (wrote < 0)
+  do
     {
-      *errmsg = "write";
-      *err = errno;
-      return 0;
+      ssize_t wrote = write (descriptor, buffer, size);
+      if (wrote == 0)
+	break;
+      else if (wrote > 0)
+	{
+	  buffer += wrote;
+	  size -= wrote;
+	}
+      else if (errno != EINTR)
+	{
+	  *errmsg = "write";
+	  *err = errno;
+	  return 0;
+	}
     }
+  while (size > 0);
 
-  if ((size_t) wrote < size)
+  if (size > 0)
     {
       *errmsg = "short write";
       *err = 0;