diff options
| -rw-r--r-- | funcs/func_env.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/funcs/func_env.c b/funcs/func_env.c index 6a3642a44..736095290 100644 --- a/funcs/func_env.c +++ b/funcs/func_env.c @@ -788,7 +788,7 @@ static int file_write(struct ast_channel *chan, const char *cmd, char *data, con fseeko(ff, offset, SEEK_SET); ast_debug(3, "offset=%s/%" PRId64 ", length=%s/%" PRId64 ", vlength=%" PRId64 ", flength=%" PRId64 "\n", - args.offset, offset, args.length, length, vlength, flength); + S_OR(args.offset, "(null)"), offset, S_OR(args.length, "(null)"), length, vlength, flength); if (length == vlength) { /* Simplest case, a straight replace */ @@ -821,6 +821,11 @@ static int file_write(struct ast_channel *chan, const char *cmd, char *data, con if (fwrite(fbuf, 1, sizeof(fbuf), ff) < sizeof(fbuf)) { ast_log(LOG_ERROR, "Short write?!!\n"); } + /* Seek to where we stopped reading */ + if (fseeko(ff, cur + sizeof(fbuf), SEEK_SET) < 0) { + /* Only reason for seek to fail is EOF */ + break; + } } fclose(ff); if (truncate(args.filename, flength - (length - vlength))) { |