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| author | Michael Drake <tlsa@netsurf-browser.org> | 2019-11-10 14:35:07 +0000 |
|---|---|---|
| committer | Michael Drake <tlsa@netsurf-browser.org> | 2019-11-10 14:37:36 +0000 |
| commit | c14f01ea442295e2d658a1f9bec866c5638bb3ca (patch) | |
| tree | 6f3fc8b7ec83a85ac9163d3f43047062cb9a0bf0 | |
| parent | 8d652f1ff453a1d87dfdec9c6c8dd077a707c613 (diff) | |
| download | netsurf-c14f01ea442295e2d658a1f9bec866c5638bb3ca.tar.gz netsurf-c14f01ea442295e2d658a1f9bec866c5638bb3ca.tar.bz2 | |
File fetcher: Optimise HTTP header generation.
| -rw-r--r-- | content/fetchers/file.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/content/fetchers/file.c b/content/fetchers/file.c index 5c9d15837..b5b4221dc 100644 --- a/content/fetchers/file.c +++ b/content/fetchers/file.c @@ -99,19 +99,21 @@ static bool fetch_file_send_header(struct fetch_file_context *ctx, fetch_msg msg; char header[64]; va_list ap; + int len; va_start(ap, fmt); - - vsnprintf(header, sizeof header, fmt, ap); - + len = vsnprintf(header, sizeof header, fmt, ap); va_end(ap); + if (len >= (int)sizeof(header) || len < 0) { + return false; + } + msg.type = FETCH_HEADER; msg.data.header_or_data.buf = (const uint8_t *) header; - msg.data.header_or_data.len = strlen(header); - fetch_file_send_callback(&msg, ctx); + msg.data.header_or_data.len = len; - return ctx->aborted; + return fetch_file_send_callback(&msg, ctx); } /** callback to initialise the file fetcher. */ |