From 4a0a6ac03864998c83918175609275df712a5a05 Mon Sep 17 00:00:00 2001 From: Zbigniew Jędrzejewski-Szmek Date: Tue, 1 Jul 2014 23:07:45 -0400 Subject: Fix problem with allocating large buffers and log leftovers --- src/journal-remote/journal-remote-parse.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'src/journal-remote/journal-remote-parse.c') diff --git a/src/journal-remote/journal-remote-parse.c b/src/journal-remote/journal-remote-parse.c index a08ca2fdcb..14af55ca55 100644 --- a/src/journal-remote/journal-remote-parse.c +++ b/src/journal-remote/journal-remote-parse.c @@ -22,7 +22,7 @@ #include "journal-remote-parse.h" #include "journald-native.h" -#define LINE_CHUNK 1024u +#define LINE_CHUNK 8*1024u void source_free(RemoteSource *source) { if (!source) @@ -71,13 +71,17 @@ static int get_line(RemoteSource *source, char **line, size_t *size) { if (source->size - source->filled < LINE_CHUNK && !GREEDY_REALLOC(source->buf, source->size, - MAX(source->filled + LINE_CHUNK, DATA_SIZE_MAX))) + MIN(source->filled + LINE_CHUNK, DATA_SIZE_MAX))) return log_oom(); - assert(source->size - source->filled >= LINE_CHUNK); + assert(source->size - source->filled >= LINE_CHUNK || + source->size == DATA_SIZE_MAX); + + // FIXME: the buffer probably needs to be bigger than DATA_SIZE_MAX + // to accomodate such big fields. n = read(source->fd, source->buf + source->filled, - MAX(source->size, DATA_SIZE_MAX) - source->filled); + source->size - source->filled); if (n < 0) { if (errno != EAGAIN && errno != EWOULDBLOCK) log_error("read(%d, ..., %zd): %m", source->fd, -- cgit v1.2.3-54-g00ecf