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Of course, I shouldn't have used lseek() to find out the file's

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position in new_buffersize(); the correct function to use is ftell().
Thanks to Ben Jackson.
This commit is contained in:
Guido van Rossum 1998-03-03 22:36:10 +00:00
parent d65911b3f3
commit dcb5e7f389
1 changed files with 3 additions and 6 deletions
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9
Objects/fileobject.c
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@ -406,17 +406,14 @@ new_buffersize(f, currentsize)
size_t currentsize; size_t currentsize;
{ {
#ifdef HAVE_FSTAT #ifdef HAVE_FSTAT
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
long pos, end; long pos, end;
struct stat st; struct stat st;
if (fstat(fileno(f->f_fp), &st) == 0) { if (fstat(fileno(f->f_fp), &st) == 0) {
end = st.st_size; end = st.st_size;
pos = lseek(fileno(f->f_fp), 0L, SEEK_CUR); pos = ftell(f->f_fp);
if (end > pos && pos >= 0) if (end > pos && pos >= 0)
return end - pos + BUFSIZ; return end - pos + 1;
/* Add BUFSIZ to allow for stdio buffered data */ /* Add 1 so if the file were to grow we'd notice. */
} }
#endif #endif
if (currentsize > SMALLCHUNK) { if (currentsize > SMALLCHUNK) {