Implement fallback for systems lacking open_memstream and fopenmem

[babeltrace.git] / formats / ctf / ctf.c

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 4f14d7a0b8a45a1994e46d355aabb7af0a930734..8608b5a1b68c95115b4d499215baed1076ea441e 100644 (file)
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -41,6 +41,7 @@
 #include "metadata/ctf-parser.h"
 #include "metadata/ctf-ast.h"
 #include "events-private.h"
+#include "memstream.h"
 
 /*
  * We currently simply map a page to read the packet header and packet
@@ -747,7 +748,7 @@ int ctf_open_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp,
         * because its size includes garbage at the end (after final
         * \0). This is the allocated size, not the actual string size.
         */
-       out = open_memstream(buf, &size);
+       out = babeltrace_open_memstream(buf, &size);
        if (out == NULL) {
                perror("Metadata open_memstream");
                return -errno;
@@ -762,10 +763,16 @@ int ctf_open_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp,
                        break;
                }
        }
-       fclose(out);    /* flush the buffer */
+       /* close to flush the buffer */
+       ret = babeltrace_close_memstream(buf, &size, out);
+       if (ret < 0) {
+               perror("babeltrace_flush_memstream");
+               fclose(in);
+               return -errno;
+       }
        fclose(in);
        /* open for reading */
-       *fp = fmemopen(*buf, strlen(*buf), "rb");
+       *fp = babeltrace_fmemopen(*buf, strlen(*buf), "rb");
        if (!*fp) {
                perror("Metadata fmemopen");
                return -errno;