diff options
| author | Peter Kjellerstedt <peter.kjellerstedt@axis.com> | 2005-01-19 10:31:51 +0000 | 
|---|---|---|
| committer | Peter Kjellerstedt <peter.kjellerstedt@axis.com> | 2005-01-19 10:31:51 +0000 | 
| commit | acd92003c8145079c6226211848e26b0472d8445 (patch) | |
| tree | 56f271fbcb5b1453d93b89843daedfff749d2419 /libc/stdlib/malloc-standard | |
| parent | 7b735a37585a73e8ec60a03ff52e24fe98f10cec (diff) | |
Avoid compiler warnings.
Diffstat (limited to 'libc/stdlib/malloc-standard')
| -rw-r--r-- | libc/stdlib/malloc-standard/free.c | 62 | ||||
| -rw-r--r-- | libc/stdlib/malloc-standard/mallinfo.c | 24 | 
2 files changed, 43 insertions, 43 deletions
diff --git a/libc/stdlib/malloc-standard/free.c b/libc/stdlib/malloc-standard/free.c index ec4debd56..94e1d65b1 100644 --- a/libc/stdlib/malloc-standard/free.c +++ b/libc/stdlib/malloc-standard/free.c @@ -17,37 +17,6 @@  #include "malloc.h" -/* ------------------------- malloc_trim ------------------------- -  malloc_trim(size_t pad); - -  If possible, gives memory back to the system (via negative -  arguments to sbrk) if there is unused memory at the `high' end of -  the malloc pool. You can call this after freeing large blocks of -  memory to potentially reduce the system-level memory requirements -  of a program. However, it cannot guarantee to reduce memory. Under -  some allocation patterns, some large free blocks of memory will be -  locked between two used chunks, so they cannot be given back to -  the system. -   -  The `pad' argument to malloc_trim represents the amount of free -  trailing space to leave untrimmed. If this argument is zero, -  only the minimum amount of memory to maintain internal data -  structures will be left (one page or less). Non-zero arguments -  can be supplied to maintain enough trailing space to service -  future expected allocations without having to re-obtain memory -  from the system. -   -  Malloc_trim returns 1 if it actually released any memory, else 0. -  On systems that do not support "negative sbrks", it will always -  return 0. -*/ -int malloc_trim(size_t pad) -{ -  mstate av = get_malloc_state(); -  __malloc_consolidate(av); -  return __malloc_trim(pad, av); -} -  /* ------------------------- __malloc_trim -------------------------     __malloc_trim is an inverse of sorts to __malloc_alloc.  It gives memory     back to the system (via negative arguments to sbrk) if there is unused @@ -109,6 +78,37 @@ static int __malloc_trim(size_t pad, mstate av)      return 0;  } +/* ------------------------- malloc_trim ------------------------- +  malloc_trim(size_t pad); + +  If possible, gives memory back to the system (via negative +  arguments to sbrk) if there is unused memory at the `high' end of +  the malloc pool. You can call this after freeing large blocks of +  memory to potentially reduce the system-level memory requirements +  of a program. However, it cannot guarantee to reduce memory. Under +  some allocation patterns, some large free blocks of memory will be +  locked between two used chunks, so they cannot be given back to +  the system. + +  The `pad' argument to malloc_trim represents the amount of free +  trailing space to leave untrimmed. If this argument is zero, +  only the minimum amount of memory to maintain internal data +  structures will be left (one page or less). Non-zero arguments +  can be supplied to maintain enough trailing space to service +  future expected allocations without having to re-obtain memory +  from the system. + +  Malloc_trim returns 1 if it actually released any memory, else 0. +  On systems that do not support "negative sbrks", it will always +  return 0. +*/ +int malloc_trim(size_t pad) +{ +  mstate av = get_malloc_state(); +  __malloc_consolidate(av); +  return __malloc_trim(pad, av); +} +  /*    Initialize a malloc_state struct. diff --git a/libc/stdlib/malloc-standard/mallinfo.c b/libc/stdlib/malloc-standard/mallinfo.c index f35aab00f..51ac423fe 100644 --- a/libc/stdlib/malloc-standard/mallinfo.c +++ b/libc/stdlib/malloc-standard/mallinfo.c @@ -88,19 +88,19 @@ void malloc_stats(FILE *file)      }      mi = mallinfo(); -    fprintf(file, "total bytes allocated             = %10lu\n", (unsigned int)(mi.arena + mi.hblkhd)); -    fprintf(file, "total bytes in use bytes          = %10lu\n", (unsigned int)(mi.uordblks + mi.hblkhd)); -    fprintf(file, "total non-mmapped bytes allocated = %10lu\n", (unsigned int)(mi.arena)); -    fprintf(file, "number of mmapped regions         = %10lu\n", (unsigned int)(mi.hblks)); -    fprintf(file, "total allocated mmap space        = %10lu\n", (unsigned int)(mi.hblkhd)); -    fprintf(file, "total allocated sbrk space        = %10lu\n", (unsigned int)(mi.uordblks)); +    fprintf(file, "total bytes allocated             = %10u\n", (unsigned int)(mi.arena + mi.hblkhd)); +    fprintf(file, "total bytes in use bytes          = %10u\n", (unsigned int)(mi.uordblks + mi.hblkhd)); +    fprintf(file, "total non-mmapped bytes allocated = %10d\n", mi.arena); +    fprintf(file, "number of mmapped regions         = %10d\n", mi.hblks); +    fprintf(file, "total allocated mmap space        = %10d\n", mi.hblkhd); +    fprintf(file, "total allocated sbrk space        = %10d\n", mi.uordblks);  #if 0 -    fprintf(file, "number of free chunks             = %10lu\n", (unsigned int)(mi.ordblks)); -    fprintf(file, "number of fastbin blocks          = %10lu\n", (unsigned int)(mi.smblks)); -    fprintf(file, "space in freed fastbin blocks     = %10lu\n", (unsigned int)(mi.fsmblks)); +    fprintf(file, "number of free chunks             = %10d\n", mi.ordblks); +    fprintf(file, "number of fastbin blocks          = %10d\n", mi.smblks); +    fprintf(file, "space in freed fastbin blocks     = %10d\n", mi.fsmblks);  #endif -    fprintf(file, "maximum total allocated space     = %10lu\n", (unsigned int)(mi.usmblks)); -    fprintf(file, "total free space                  = %10lu\n", (unsigned int)(mi.fordblks)); -    fprintf(file, "memory releasable via malloc_trim = %10lu\n", (unsigned int)(mi.keepcost)); +    fprintf(file, "maximum total allocated space     = %10d\n", mi.usmblks); +    fprintf(file, "total free space                  = %10d\n", mi.fordblks); +    fprintf(file, "memory releasable via malloc_trim = %10d\n", mi.keepcost);  }  | 
