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2003-04-16 Andrew Cagney <cagney@redhat.com>

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* utils.c (xmmalloc): Always allocate something, matches
	libiberty/xmalloc's semantics.
	(xmrealloc, xmcalloc): Ditto.
This commit is contained in:
Andrew Cagney 2003-04-16 14:43:03 +00:00
parent c50901fda0
commit 25d4103164
2 changed files with 34 additions and 33 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2003-04-16 Andrew Cagney <cagney@redhat.com>
* utils.c (xmmalloc): Always allocate something, matches
libiberty/xmalloc's semantics.
(xmrealloc, xmcalloc): Ditto.
2003-04-16 Andrew Cagney <cagney@redhat.com>
* frame.c (get_prev_frame): Do not initialize "unwind" or "type",

61
gdb/utils.c
View file

@ -1073,16 +1073,15 @@ xmmalloc (void *md, size_t size)
{
void *val;
/* See libiberty/xmalloc.c. This function need's to match that's
semantics. It never returns NULL. */
if (size == 0)
{
val = NULL;
}
else
{
val = mmalloc (md, size);
if (val == NULL)
nomem (size);
}
size = 1;
val = mmalloc (md, size);
if (val == NULL)
nomem (size);
return (val);
}
@ -1091,27 +1090,18 @@ xmrealloc (void *md, void *ptr, size_t size)
{
void *val;
/* See libiberty/xmalloc.c. This function need's to match that's
semantics. It never returns NULL. */
if (size == 0)
{
if (ptr != NULL)
mfree (md, ptr);
val = NULL;
}
size = 1;
if (ptr != NULL)
val = mrealloc (md, ptr, size);
else
{
if (ptr != NULL)
{
val = mrealloc (md, ptr, size);
}
else
{
val = mmalloc (md, size);
}
if (val == NULL)
{
nomem (size);
}
}
val = mmalloc (md, size);
if (val == NULL)
nomem (size);
return (val);
}
@ -1119,14 +1109,19 @@ void *
xmcalloc (void *md, size_t number, size_t size)
{
void *mem;
/* See libiberty/xmalloc.c. This function need's to match that's
semantics. It never returns NULL. */
if (number == 0 || size == 0)
mem = NULL;
else
{
mem = mcalloc (md, number, size);
if (mem == NULL)
nomem (number * size);
number = 1;
size = 1;
}
mem = mcalloc (md, number, size);
if (mem == NULL)
nomem (number * size);
return mem;
}