diff options
Diffstat (limited to 'gl/xalloc.h')
| -rw-r--r-- | gl/xalloc.h | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/gl/xalloc.h b/gl/xalloc.h index 57a13e0a..6122cc58 100644 --- a/gl/xalloc.h +++ b/gl/xalloc.h @@ -1,7 +1,8 @@ /* xalloc.h -- malloc with out-of-memory checking - Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc. + Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + 2000, 2003, 2004, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, + Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -105,10 +106,10 @@ char *xstrdup (char const *str) ATTRIBUTE_MALLOC; # if HAVE_INLINE # define static_inline static inline # else - void *xnmalloc (size_t n, size_t s) ATTRIBUTE_MALLOC; - void *xnrealloc (void *p, size_t n, size_t s); - void *x2nrealloc (void *p, size_t *pn, size_t s); - char *xcharalloc (size_t n) ATTRIBUTE_MALLOC; +void *xnmalloc (size_t n, size_t s) ATTRIBUTE_MALLOC; +void *xnrealloc (void *p, size_t n, size_t s); +void *x2nrealloc (void *p, size_t *pn, size_t s); +char *xcharalloc (size_t n) ATTRIBUTE_MALLOC; # endif # ifdef static_inline @@ -161,9 +162,9 @@ xnrealloc (void *p, size_t n, size_t s) void append_int (int value) { - if (used == allocated) - p = x2nrealloc (p, &allocated, sizeof *p); - p[used++] = value; + if (used == allocated) + p = x2nrealloc (p, &allocated, sizeof *p); + p[used++] = value; } This causes x2nrealloc to allocate a block of some nonzero size the @@ -181,12 +182,12 @@ xnrealloc (void *p, size_t n, size_t s) void append_int (int value) { - if (used == allocated) - { - p = x2nrealloc (p, &allocated1, sizeof *p); - allocated = allocated1; - } - p[used++] = value; + if (used == allocated) + { + p = x2nrealloc (p, &allocated1, sizeof *p); + allocated = allocated1; + } + p[used++] = value; } */ @@ -199,25 +200,25 @@ x2nrealloc (void *p, size_t *pn, size_t s) if (! p) { if (! n) - { - /* The approximate size to use for initial small allocation - requests, when the invoking code specifies an old size of - zero. 64 bytes is the largest "small" request for the - GNU C library malloc. */ - enum { DEFAULT_MXFAST = 64 }; - - n = DEFAULT_MXFAST / s; - n += !n; - } + { + /* The approximate size to use for initial small allocation + requests, when the invoking code specifies an old size of + zero. 64 bytes is the largest "small" request for the + GNU C library malloc. */ + enum { DEFAULT_MXFAST = 64 }; + + n = DEFAULT_MXFAST / s; + n += !n; + } } else { /* Set N = ceil (1.5 * N) so that progress is made if N == 1. - Check for overflow, so that N * S stays in size_t range. - The check is slightly conservative, but an exact check isn't - worth the trouble. */ + Check for overflow, so that N * S stays in size_t range. + The check is slightly conservative, but an exact check isn't + worth the trouble. */ if ((size_t) -1 / 3 * 2 / s <= n) - xalloc_die (); + xalloc_die (); n += (n + 1) / 2; } |