SoW-2019-0002: Dynamic Snapshot

[lttng-tools.git] / src / lib / lttng-ctl / filter / memstream.h

diff --git a/src/lib/lttng-ctl/filter/memstream.h b/src/lib/lttng-ctl/filter/memstream.h
deleted file mode 100644 (file)
index cd246ee..0000000
--- a/src/lib/lttng-ctl/filter/memstream.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright 2012 (C) Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * SPDX-License-Identifier: MIT
- *
- */
-
-#ifndef _LTTNG_CTL_MEMSTREAM_H
-#define _LTTNG_CTL_MEMSTREAM_H
-
-#ifdef LTTNG_HAVE_FMEMOPEN
-#include <stdio.h>
-
-static inline
-FILE *lttng_fmemopen(void *buf, size_t size, const char *mode)
-{
-       return fmemopen(buf, size, mode);
-}
-
-#else /* LTTNG_HAVE_FMEMOPEN */
-
-#include <stdlib.h>
-#include <stdio.h>
-
-/*
- * Fallback for systems which don't have fmemopen. Copy buffer to a
- * temporary file, and use that file as FILE * input.
- */
-static inline
-FILE *lttng_fmemopen(void *buf, size_t size, const char *mode)
-{
-       char tmpname[PATH_MAX];
-       size_t len;
-       FILE *fp;
-       int ret;
-
-       /*
-        * Support reading only.
-        */
-       if (strcmp(mode, "rb") != 0) {
-               return NULL;
-       }
-       strncpy(tmpname, "/tmp/lttng-tmp-XXXXXX", PATH_MAX);
-       ret = mkstemp(tmpname);
-       if (ret < 0) {
-               return NULL;
-       }
-       /*
-        * We need to write to the file.
-        */
-       fp = fdopen(ret, "w+");
-       if (!fp) {
-               goto error_unlink;
-       }
-       /* Copy the entire buffer to the file */
-       len = fwrite(buf, sizeof(char), size, fp);
-       if (len != size) {
-               goto error_close;
-       }
-       ret = fseek(fp, 0L, SEEK_SET);
-       if (ret < 0) {
-               PERROR("fseek");
-               goto error_close;
-       }
-       /* We keep the handle open, but can unlink the file on the VFS. */
-       ret = unlink(tmpname);
-       if (ret < 0) {
-               PERROR("unlink");
-       }
-       return fp;
-
-error_close:
-       ret = fclose(fp);
-       if (ret < 0) {
-               PERROR("close");
-       }
-error_unlink:
-       ret = unlink(tmpname);
-       if (ret < 0) {
-               PERROR("unlink");
-       }
-       return NULL;
-}
-
-#endif /* LTTNG_HAVE_FMEMOPEN */
-
-#endif /* _LTTNG_CTL_MEMSTREAM_H */