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[mod_magnet] use http_chunk_append_file_ref_range

personal/stbuehler/tests-path
Glenn Strauss 2021-05-14 02:39:40 -04:00
parent 1d9fe2a3d6
commit f0da8dd910
1 changed files with 9 additions and 3 deletions
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12
src/mod_magnet.c
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@ -770,7 +770,7 @@ static int magnet_attach_content(request_st * const r, lua_State * const L, int
if (lua_isstring(L, -3)) { /* filename has to be a string */
off_t off = (off_t) luaL_optinteger(L, -1, 0);
off_t len = (off_t) luaL_optinteger(L, -2, -1); /*(-1 to http_chunk_append_file_range() uses file size minus offset)*/
off_t len = (off_t) luaL_optinteger(L, -2, -1); /*(-1 as flag to use file size minus offset (below))*/
if (off < 0) {
log_error(r->conf.errh, __FILE__, __LINE__,
"offset for '%s' is negative", lua_tostring(L, -3));
@ -785,9 +785,15 @@ static int magnet_attach_content(request_st * const r, lua_State * const L, int
if (!end && 0 != len) {
buffer *fn = magnet_checkbuffer(L, -3);
int rc = http_chunk_append_file_range(r, fn, off, len);
stat_cache_entry * const sce =
stat_cache_get_entry_open(fn, r->conf.follow_symlink);
buffer_free(fn);
if (0 != rc) {
if (sce && (sce->fd >= 0 || sce->st.st_size == 0)) {
if (len == -1 || sce->st.st_size - off < len)
len = sce->st.st_size - off;
if (len > 0)
http_chunk_append_file_ref_range(r, sce, off, len);
} else {
log_error(r->conf.errh, __FILE__, __LINE__,
"error opening file content '%s' at offset %lld",
lua_tostring(L, -3), (long long)off);