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authorClifford Wolf <clifford@clifford.at>2014-03-13 12:48:10 +0100
committerClifford Wolf <clifford@clifford.at>2014-03-13 12:48:10 +0100
commitfad8558eb5ecbd62e2032a48c537bfecfad3dfc4 (patch)
tree466d1bcbceb98d493e20ea5735374ea4796cf958 /kernel
parenta4d72de91dc017b299d6c11d67786274f1326133 (diff)
Merged OSX fixes from Siesh1oo with some modifications
Diffstat (limited to 'kernel')
-rw-r--r--kernel/compatibility.cc135
-rw-r--r--kernel/compatibility.h36
-rw-r--r--kernel/log.cc1
-rw-r--r--kernel/register.cc5
-rw-r--r--kernel/rtlil.cc1
5 files changed, 176 insertions, 2 deletions
diff --git a/kernel/compatibility.cc b/kernel/compatibility.cc
new file mode 100644
index 00000000..2ef023eb
--- /dev/null
+++ b/kernel/compatibility.cc
@@ -0,0 +1,135 @@
+/*
+ * yosys -- Yosys Open SYnthesis Suite
+ *
+ * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+/**
+ * POSIX.2008 fake implementation for pre-POSIX.2008 systems. (OSX, BSD, MINGW, CYGWIN, older Linux &c.)
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#if !(_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L)
+
+typedef struct memstream {
+ off_t pos;
+ off_t size;
+ char * buffer;
+ char ** bufp;
+ size_t * sizep;
+ bool realloc;
+} memstream_t;
+
+static int memstream_read (void * cookie, char * buf, int size)
+{
+ memstream_t * mem = (memstream_t *) cookie;
+ off_t available = mem->size - mem->pos;
+ if (available < 0)
+ available = 0;
+ if (size > available)
+ size = available;
+ memcpy(buf, mem->buffer + mem->pos, size);
+ mem->pos += size;
+ return size;
+}
+
+static int memstream_write (void * cookie, const char * buf, int size)
+{
+ memstream_t * mem = (memstream_t *) cookie;
+ off_t available = mem->size - mem->pos;
+ if (size > available) {
+ if (mem->realloc) {
+ mem->buffer = (char *) realloc(mem->buffer, mem->pos + size + 1);
+ memset(mem->buffer + mem->size, 0, mem->pos + size + 1 - mem->size);
+ mem->size = mem->pos + size;
+ if (mem->bufp)
+ *(mem->bufp) = mem->buffer;
+ if (mem->sizep)
+ *(mem->sizep) = mem->size;
+ } else {
+ size = available;
+ }
+ }
+ memcpy(mem->buffer + mem->pos, buf, sizeof(char) * size);
+ mem->pos += size;
+ return size;
+}
+
+static fpos_t memstream_seek (void * cookie, fpos_t offset, int whence)
+{
+ memstream_t * mem = (memstream_t *) cookie;
+ switch (whence) {
+ case SEEK_SET:
+ if (offset < 0)
+ goto error_inval;
+ mem->pos = offset;
+ return 0;
+ case SEEK_CUR:
+ if (mem->pos + offset < 0)
+ goto error_inval;
+ mem->pos += offset;
+ return 0;
+ case SEEK_END:
+ if (mem->size + offset < 0)
+ goto error_inval;
+ mem->pos = mem->size + offset;
+ break;
+ default:
+ goto error_inval;
+ }
+ return mem->pos;
+error_inval:
+ errno = EINVAL;
+ return -1;
+}
+
+static int memstream_close (void * cookie)
+{
+ memstream_t * mem = (memstream_t *) cookie;
+ if (mem->bufp)
+ *(mem->bufp) = mem->buffer;
+ if (mem->sizep)
+ *(mem->sizep) = mem->size;
+ free(cookie);
+ return 0;
+}
+
+FILE * compat_fmemopen (void * buf, size_t size, const char * mode)
+{
+ memstream_t * mem = (memstream_t *) malloc(sizeof(memstream_t));
+ memset(mem, 0, sizeof(memstream_t));
+ mem->size = size;
+ mem->buffer = (char *) buf;
+ (void) mode;
+ return funopen(mem, memstream_read, memstream_write, memstream_seek, memstream_close);
+}
+
+FILE * compat_open_memstream (char ** bufp, size_t * sizep)
+{
+ memstream_t * mem = (memstream_t *) malloc(sizeof(memstream_t));
+ memset(mem, 0, sizeof(memstream_t));
+ mem->bufp = bufp;
+ mem->sizep = sizep;
+ mem->realloc = true;
+ return funopen(mem, memstream_read, memstream_write, memstream_seek, memstream_close);
+}
+
+#endif /* !(_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L) */
+
diff --git a/kernel/compatibility.h b/kernel/compatibility.h
new file mode 100644
index 00000000..58e0b52e
--- /dev/null
+++ b/kernel/compatibility.h
@@ -0,0 +1,36 @@
+/*
+ * yosys -- Yosys Open SYnthesis Suite
+ *
+ * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#ifndef COMPATIBILITY_H
+#define COMPATIBILITY_H
+
+#if !(_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L)
+#include <stdio.h>
+#include <stdlib.h>
+
+#define open_memstream compat_open_memstream
+#define fmemopen compat_fmemopen
+
+FILE * compat_open_memstream (char ** bufp, size_t * sizep);
+FILE * compat_fmemopen (void * buf, size_t size, const char * mode);
+
+#endif /* !(_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L) */
+
+#endif /* COMPATIBILITY_H */
+
diff --git a/kernel/log.cc b/kernel/log.cc
index 779f9373..b2c92e4e 100644
--- a/kernel/log.cc
+++ b/kernel/log.cc
@@ -18,6 +18,7 @@
*/
#include "kernel/log.h"
+#include "kernel/compatibility.h"
#include "backends/ilang/ilang_backend.h"
#include <sys/time.h>
diff --git a/kernel/register.cc b/kernel/register.cc
index ab5cba11..511afaac 100644
--- a/kernel/register.cc
+++ b/kernel/register.cc
@@ -17,8 +17,9 @@
*
*/
-#include "register.h"
-#include "log.h"
+#include "kernel/compatibility.h"
+#include "kernel/register.h"
+#include "kernel/log.h"
#include <assert.h>
#include <string.h>
#include <stdlib.h>
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 21fcae2b..7259845a 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -17,6 +17,7 @@
*
*/
+#include "kernel/compatibility.h"
#include "kernel/rtlil.h"
#include "kernel/log.h"
#include "frontends/verilog/verilog_frontend.h"