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-rw-r--r--libiberty/ChangeLog5
-rw-r--r--libiberty/xmalloc.c30
2 files changed, 23 insertions, 12 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 159798a..8f010bf 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,8 @@
+1999-08-05 Ian Lance Taylor <ian@zembu.com>
+
+ * xmalloc.c: Control all uses of SBRK with a single define,
+ USE_SBRK. Don't define it if __INTERIX.
+
1999-08-03 Ian Lance Taylor <ian@zembu.com>
* floatformat.c: Add casts to avoid signed/unsigned warnings.
diff --git a/libiberty/xmalloc.c b/libiberty/xmalloc.c
index 1083790..7b3d8d4 100644
--- a/libiberty/xmalloc.c
+++ b/libiberty/xmalloc.c
@@ -1,5 +1,5 @@
/* memory allocation routines with error checking.
- Copyright 1989, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
+ Copyright 1989, 90, 91, 92, 93, 94, 1999 Free Software Foundation, Inc.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
@@ -47,22 +47,28 @@ static const char *name = "";
#define __CYGWIN__ 1
#endif
-#if ! defined (_WIN32) || defined (__CYGWIN__) || defined (__UWIN__)
+/* On Unix systems we use sbrk to determine how much memory has been
+ allocated. */
+#undef USE_SBRK
+#if (! defined (_WIN32) && ! defined (__INTERIX)) || defined (__CYGWIN__) || defined (__UWIN__)
+#define USE_SBRK
+#endif
+
+#ifdef USE_SBRK
/* The initial sbrk, set when the program name is set. Not used for win32
ports other than cygwin32. */
static char *first_break = NULL;
-#endif /* ! _WIN32 || __CYGWIN __ || __UWIN__ */
+#endif
void
xmalloc_set_program_name (s)
const char *s;
{
name = s;
-#if ! defined (_WIN32) || defined (__CYGWIN__) || defined (__UWIN__)
- /* Win32 ports other than cygwin32 don't have brk() */
+#ifdef USE_SBRK
if (first_break == NULL)
first_break = (char *) sbrk (0);
-#endif /* ! _WIN32 || __CYGWIN __ || __UWIN__ */
+#endif
}
PTR
@@ -76,7 +82,7 @@ xmalloc (size)
newmem = malloc (size);
if (!newmem)
{
-#if ! defined (_WIN32) || defined (__CYGWIN__) || defined (__UWIN__)
+#ifdef USE_SBRK
extern char **environ;
size_t allocated;
@@ -93,7 +99,7 @@ xmalloc (size)
"\n%s%sCan not allocate %lu bytes\n",
name, *name ? ": " : "",
(unsigned long) size);
-#endif /* ! _WIN32 || __CYGWIN __ || __UWIN__ */
+#endif /* ! USE_SBRK */
xexit (1);
}
return (newmem);
@@ -111,7 +117,7 @@ xcalloc (nelem, elsize)
newmem = calloc (nelem, elsize);
if (!newmem)
{
-#if ! defined (_WIN32) || defined (__CYGWIN__)
+#ifdef USE_SBRK
extern char **environ;
size_t allocated;
@@ -128,7 +134,7 @@ xcalloc (nelem, elsize)
"\n%s%sCan not allocate %lu bytes\n",
name, *name ? ": " : "",
(unsigned long) (nelem * elsize));
-#endif /* ! _WIN32 || __CYGWIN __ */
+#endif /* ! USE_SBRK */
xexit (1);
}
return (newmem);
@@ -149,7 +155,7 @@ xrealloc (oldmem, size)
newmem = realloc (oldmem, size);
if (!newmem)
{
-#ifndef __MINGW32__
+#ifdef USE_SBRK
extern char **environ;
size_t allocated;
@@ -166,7 +172,7 @@ xrealloc (oldmem, size)
"\n%s%sCan not reallocate %lu bytes\n",
name, *name ? ": " : "",
(unsigned long) size);
-#endif /* __MINGW32__ */
+#endif /* ! USE_SBRK */
xexit (1);
}
return (newmem);