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fixed memory offsett when ENABLE_MEM_CHECK is defined and
Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
<mbp@wistful.humbug.org.au>).
This commit is contained in:
Tim Janik
Tim Janik
parent
9e5fc0f019
commit
823a25beb6
@ -1,3 +1,9 @@
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Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
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* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
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defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
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<mbp@wistful.humbug.org.au>).
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Sat Oct 3 01:18:10 1998 Tim Janik <timj@gtk.org>
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* glib.h:
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@ -1,3 +1,9 @@
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Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
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* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
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defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
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<mbp@wistful.humbug.org.au>).
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Sat Oct 3 01:18:10 1998 Tim Janik <timj@gtk.org>
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* glib.h:
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@ -1,3 +1,9 @@
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Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
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* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
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defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
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<mbp@wistful.humbug.org.au>).
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Sat Oct 3 01:18:10 1998 Tim Janik <timj@gtk.org>
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* glib.h:
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@ -1,3 +1,9 @@
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Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
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* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
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defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
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<mbp@wistful.humbug.org.au>).
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Sat Oct 3 01:18:10 1998 Tim Janik <timj@gtk.org>
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* glib.h:
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@ -1,3 +1,9 @@
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Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
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* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
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defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
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<mbp@wistful.humbug.org.au>).
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Sat Oct 3 01:18:10 1998 Tim Janik <timj@gtk.org>
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* glib.h:
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@ -1,3 +1,9 @@
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Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
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* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
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defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
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<mbp@wistful.humbug.org.au>).
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Sat Oct 3 01:18:10 1998 Tim Janik <timj@gtk.org>
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* glib.h:
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@ -1,3 +1,9 @@
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Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
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* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
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defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
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<mbp@wistful.humbug.org.au>).
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Sat Oct 3 01:18:10 1998 Tim Janik <timj@gtk.org>
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* glib.h:
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@ -1,3 +1,9 @@
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Tue Oct 6 14:29:47 1998 Tim Janik <timj@gtk.org>
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* gmem.c (g_malloc0): fixed memory offsett when ENABLE_MEM_CHECK is
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defined and ENABLE_MEM_PROFILE is not (patch from Martin Pool
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<mbp@wistful.humbug.org.au>).
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Sat Oct 3 01:18:10 1998 Tim Janik <timj@gtk.org>
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* glib.h:
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45
glib/gmem.c
45
glib/gmem.c
@ -24,6 +24,23 @@
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/* #define ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS */
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/* #define ENABLE_MEM_CHECK */
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/*
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* This library can check for some attempts to do illegal things to
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* memory (ENABLE_MEM_CHECK), and can do profiling
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* (ENABLE_MEM_PROFILE). Both features are implemented by storing
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* words before the start of the memory chunk.
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*
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* The first, at offset -2*SIZEOF_LONG, is used only if
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* ENABLE_MEM_CHECK is set, and stores 0 after the memory has been
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* allocated and 1 when it has been freed. The second, at offset
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* -SIZEOF_LONG, is used if either flag is set and stores the size of
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* the block.
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*
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* The MEM_CHECK flag is checked when memory is realloc'd and free'd,
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* and it can be explicitly checked before using a block by calling
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* g_mem_check().
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*/
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#if defined(ENABLE_MEM_PROFILE) && defined(ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS)
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#define ENTER_MEM_CHUNK_ROUTINE() allocating_for_mem_chunk++
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#define LEAVE_MEM_CHUNK_ROUTINE() allocating_for_mem_chunk--
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@ -151,17 +168,17 @@ g_malloc (gulong size)
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*t = size;
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#ifdef ENABLE_MEM_PROFILE
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#ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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# ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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if(!allocating_for_mem_chunk) {
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#endif
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# endif
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if (size <= 4095)
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allocations[size-1] += 1;
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else
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allocations[4095] += 1;
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allocated_mem += size;
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#ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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# ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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}
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#endif
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# endif
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#endif /* ENABLE_MEM_PROFILE */
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#endif /* ENABLE_MEM_PROFILE || ENABLE_MEM_CHECK */
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@ -184,9 +201,9 @@ g_malloc0 (gulong size)
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return NULL;
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#ifdef ENABLE_MEM_PROFILE
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#if defined (ENABLE_MEM_PROFILE) || defined (ENABLE_MEM_CHECK)
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size += SIZEOF_LONG;
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#endif /* ENABLE_MEM_PROFILE */
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#endif /* ENABLE_MEM_PROFILE || ENABLE_MEM_CHECK */
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#ifdef ENABLE_MEM_CHECK
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size += SIZEOF_LONG;
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@ -213,19 +230,19 @@ g_malloc0 (gulong size)
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p = ((guchar*) p + SIZEOF_LONG);
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*t = size;
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#ifdef ENABLE_MEM_PROFILE
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#ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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# ifdef ENABLE_MEM_PROFILE
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# ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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if(!allocating_for_mem_chunk) {
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#endif
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# endif
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if (size <= 4095)
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allocations[size-1] += 1;
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else
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allocations[4095] += 1;
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allocated_mem += size;
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#ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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# ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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}
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#endif
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#endif /* ENABLE_MEM_PROFILE */
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# endif
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# endif /* ENABLE_MEM_PROFILE */
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#endif /* ENABLE_MEM_PROFILE */
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@ -279,7 +296,7 @@ g_realloc (gpointer mem,
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}
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if (!p)
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g_error ("could not reallocate %ld bytes", size);
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g_error ("could not reallocate %lu bytes", (gulong) size);
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#ifdef ENABLE_MEM_CHECK
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@ -381,7 +398,7 @@ g_mem_check (gpointer mem)
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t = (gulong*) ((guchar*) mem - SIZEOF_LONG - SIZEOF_LONG);
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if (*t >= 1)
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g_warning ("mem: 0x%08x has been freed: %lu\n", (gulong) mem, *t);
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g_warning ("mem: 0x%08x has been freed %lu times\n", (gulong) mem, *t);
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#endif /* ENABLE_MEM_CHECK */
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}
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45
gmem.c
45
gmem.c
@ -24,6 +24,23 @@
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/* #define ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS */
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/* #define ENABLE_MEM_CHECK */
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/*
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* This library can check for some attempts to do illegal things to
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* memory (ENABLE_MEM_CHECK), and can do profiling
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* (ENABLE_MEM_PROFILE). Both features are implemented by storing
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* words before the start of the memory chunk.
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*
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* The first, at offset -2*SIZEOF_LONG, is used only if
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* ENABLE_MEM_CHECK is set, and stores 0 after the memory has been
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* allocated and 1 when it has been freed. The second, at offset
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* -SIZEOF_LONG, is used if either flag is set and stores the size of
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* the block.
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*
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* The MEM_CHECK flag is checked when memory is realloc'd and free'd,
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* and it can be explicitly checked before using a block by calling
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* g_mem_check().
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*/
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#if defined(ENABLE_MEM_PROFILE) && defined(ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS)
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#define ENTER_MEM_CHUNK_ROUTINE() allocating_for_mem_chunk++
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#define LEAVE_MEM_CHUNK_ROUTINE() allocating_for_mem_chunk--
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@ -151,17 +168,17 @@ g_malloc (gulong size)
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*t = size;
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#ifdef ENABLE_MEM_PROFILE
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#ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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# ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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if(!allocating_for_mem_chunk) {
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#endif
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# endif
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if (size <= 4095)
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allocations[size-1] += 1;
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else
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allocations[4095] += 1;
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allocated_mem += size;
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#ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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# ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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}
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#endif
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# endif
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#endif /* ENABLE_MEM_PROFILE */
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#endif /* ENABLE_MEM_PROFILE || ENABLE_MEM_CHECK */
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@ -184,9 +201,9 @@ g_malloc0 (gulong size)
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return NULL;
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#ifdef ENABLE_MEM_PROFILE
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#if defined (ENABLE_MEM_PROFILE) || defined (ENABLE_MEM_CHECK)
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size += SIZEOF_LONG;
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#endif /* ENABLE_MEM_PROFILE */
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#endif /* ENABLE_MEM_PROFILE || ENABLE_MEM_CHECK */
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#ifdef ENABLE_MEM_CHECK
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size += SIZEOF_LONG;
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@ -213,19 +230,19 @@ g_malloc0 (gulong size)
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p = ((guchar*) p + SIZEOF_LONG);
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*t = size;
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#ifdef ENABLE_MEM_PROFILE
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#ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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# ifdef ENABLE_MEM_PROFILE
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# ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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if(!allocating_for_mem_chunk) {
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#endif
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# endif
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if (size <= 4095)
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allocations[size-1] += 1;
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else
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allocations[4095] += 1;
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allocated_mem += size;
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#ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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# ifdef ENABLE_MEM_PROFILE_EXCLUDES_MEM_CHUNKS
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}
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#endif
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#endif /* ENABLE_MEM_PROFILE */
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# endif
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# endif /* ENABLE_MEM_PROFILE */
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#endif /* ENABLE_MEM_PROFILE */
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@ -279,7 +296,7 @@ g_realloc (gpointer mem,
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}
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if (!p)
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g_error ("could not reallocate %ld bytes", size);
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g_error ("could not reallocate %lu bytes", (gulong) size);
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#ifdef ENABLE_MEM_CHECK
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@ -381,7 +398,7 @@ g_mem_check (gpointer mem)
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t = (gulong*) ((guchar*) mem - SIZEOF_LONG - SIZEOF_LONG);
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if (*t >= 1)
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g_warning ("mem: 0x%08x has been freed: %lu\n", (gulong) mem, *t);
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g_warning ("mem: 0x%08x has been freed %lu times\n", (gulong) mem, *t);
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#endif /* ENABLE_MEM_CHECK */
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}
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