Mercurial > hg > octave-nkf > gnulib-hg
changeset 13594:4cd1a9ea04e8
read-file: Don't occupy too much unused memory.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 28 Aug 2010 16:22:14 +0200 |
parents | 9134588a0ed4 |
children | fc90387175d8 |
files | ChangeLog lib/read-file.c |
diffstat | 2 files changed, 14 insertions(+), 0 deletions(-) [+] |
line wrap: on
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2010-08-28 Bruno Haible <bruno@clisp.org> + + read-file: Don't occupy too much unused memory. + * lib/read-file.c (fread_file): Shrink the buffer at the end. + 2010-08-28 Giuseppe Scrivano <gscrivano@gnu.org> Eric Blake <eblake@redhat.com> Bruno Haible <bruno@clisp.org>
--- a/lib/read-file.c +++ b/lib/read-file.c @@ -119,6 +119,15 @@ save_errno = errno; if (ferror (stream)) break; + + /* Shrink the allocated memory if possible. */ + if (size + 1 < alloc) + { + char *smaller_buf = realloc (buf, size + 1); + if (smaller_buf != NULL) + buf = smaller_buf; + } + buf[size] = '\0'; *length = size; return buf;