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Partial implementation of mallinfo() (Ilpo Ruotsalainen)

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@470
This commit is contained in:
Julian Seward 2002-06-26 17:08:01 +00:00
parent 0a530cb06c
commit 2ccd1ed4e9
2 changed files with 56 additions and 10 deletions
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33
coregrind/vg_clientfuncs.c
View File

@ -341,11 +341,34 @@ void malloc_get_state ( void )
void malloc_set_state ( void )
{ VG_(panic)("call to malloc_set_state\n"); }
void* mallinfo ( void )
{
VG_(message)(Vg_UserMsg,
"Warning: incorrectly-handled call to mallinfo()");
return NULL;
/* Yet another ugly hack. Cannot include <malloc.h> because we
implement functions implemented there with different signatures.
This struct definition MUST match the system one. */
/* SVID2/XPG mallinfo structure */
struct mallinfo {
int arena; /* total space allocated from system */
int ordblks; /* number of non-inuse chunks */
int smblks; /* unused -- always zero */
int hblks; /* number of mmapped regions */
int hblkhd; /* total space in mmapped regions */
int usmblks; /* unused -- always zero */
int fsmblks; /* unused -- always zero */
int uordblks; /* total allocated space */
int fordblks; /* total non-inuse space */
int keepcost; /* top-most, releasable (via malloc_trim) space */
};
struct mallinfo mallinfo ( void )
{
/* Should really try to return something a bit more meaningful */
Int i;
struct mallinfo mi;
UChar* pmi = (UChar*)(&mi);
for (i = 0; i < sizeof(mi); i++)
pmi[i] = 0;
return mi;
}

33
vg_clientfuncs.c
View File

@ -341,11 +341,34 @@ void malloc_get_state ( void )
void malloc_set_state ( void )
{ VG_(panic)("call to malloc_set_state\n"); }
void* mallinfo ( void )
{
VG_(message)(Vg_UserMsg,
"Warning: incorrectly-handled call to mallinfo()");
return NULL;
/* Yet another ugly hack. Cannot include <malloc.h> because we
implement functions implemented there with different signatures.
This struct definition MUST match the system one. */
/* SVID2/XPG mallinfo structure */
struct mallinfo {
int arena; /* total space allocated from system */
int ordblks; /* number of non-inuse chunks */
int smblks; /* unused -- always zero */
int hblks; /* number of mmapped regions */
int hblkhd; /* total space in mmapped regions */
int usmblks; /* unused -- always zero */
int fsmblks; /* unused -- always zero */
int uordblks; /* total allocated space */
int fordblks; /* total non-inuse space */
int keepcost; /* top-most, releasable (via malloc_trim) space */
};
struct mallinfo mallinfo ( void )
{
/* Should really try to return something a bit more meaningful */
Int i;
struct mallinfo mi;
UChar* pmi = (UChar*)(&mi);
for (i = 0; i < sizeof(mi); i++)
pmi[i] = 0;
return mi;
}