summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Objects/fileobject.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index 76f5318..d43f113 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -421,7 +421,9 @@ new_buffersize(f, currentsize)
struct stat st;
if (fstat(fileno(f->f_fp), &st) == 0) {
end = st.st_size;
- pos = ftell(f->f_fp);
+ pos = lseek(fileno(f->f_fp), 0L, SEEK_CUR);
+ if (pos >= 0)
+ pos = ftell(f->f_fp);
if (pos < 0)
clearerr(f->f_fp);
if (end > pos && pos >= 0)