| From 09505532b49573663fb4ff4dad424dc2ef4c1f84 Mon Sep 17 00:00:00 2001 |
| From: Kyle Russell <bkylerussell@gmail.com> |
| Date: Wed, 13 Jul 2016 17:30:00 -0400 |
| Subject: [PATCH] collector: Allocate space on heap for chunks |
| |
| Nicer for embedded devices which may have smaller stack limitations. |
| |
| Upstream-Status: Submitted [https://github.com/xrmx/bootchart/pull/74] |
| |
| Signed-off-by: Kyle Russell <bkylerussell@gmail.com> |
| --- |
| collector/dump.c | 7 ++++--- |
| 1 file changed, 4 insertions(+), 3 deletions(-) |
| |
| diff --git a/collector/dump.c b/collector/dump.c |
| index e673b5b..2f094b4 100644 |
| --- a/collector/dump.c |
| +++ b/collector/dump.c |
| @@ -184,12 +184,12 @@ static void dump_buffers (DumpState *s) |
| log ("reading %d chunks (of %d) ...\n", max_chunk, s->map.max_chunk); |
| for (i = 0; i < max_chunk; i++) { |
| FILE *output; |
| - char buffer[CHUNK_SIZE]; |
| - Chunk *c = (Chunk *)&buffer; |
| + char *buffer = malloc(CHUNK_SIZE); |
| + Chunk *c = (Chunk *)buffer; |
| size_t addr = (size_t) s->map.chunks[i]; |
| |
| lseek (s->mem, addr, SEEK_SET); |
| - read (s->mem, &buffer, CHUNK_SIZE); |
| + read (s->mem, buffer, CHUNK_SIZE); |
| /* log ("type: '%s' len %d\n", |
| c->dest_stream, (int)c->length); */ |
| |
| @@ -197,6 +197,7 @@ static void dump_buffers (DumpState *s) |
| fwrite (c->data, 1, c->length, output); |
| bytes_dumped += c->length; |
| fclose (output); |
| + free(buffer); |
| } |
| log ("wrote %ld kb\n", (long)(bytes_dumped+1023)/1024); |
| } |
| -- |
| 2.7.4 |
| |