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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/memory.c')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/memory.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/memory.c b/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/memory.c new file mode 100644 index 00000000000..3d977672cdb --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/memory.c @@ -0,0 +1,101 @@ +/* Copyright (C) 2000-2012 by George Williams */ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + + * The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "basics.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* wrappers around standard memory routines so we can trap errors. */ +static void default_trap(void) { + fprintf(stderr, "Attempt to allocate memory failed.\n" ); + abort(); +} + +static void (*trap)(void) = default_trap; + +void galloc_set_trap(void (*newtrap)(void)) { + if ( newtrap==NULL ) newtrap = default_trap; + trap = newtrap; +} + +#ifdef USE_OUR_MEMORY +void *galloc(long size) { + void *ret; + /* Avoid malloc(0) as malloc is allowed to return NULL. + * If malloc fails, call trap() to allow it to possibly + * recover memory and try again. + */ + while (( ret = malloc(size==0 ? sizeof(int) : size))==NULL ) + trap(); + memset(ret,0x3c,size); /* fill with random junk for debugging */ +return( ret ); +} + +void *gcalloc(int cnt,long size) { + void *ret; + while (( ret = calloc(cnt,size))==NULL ) + trap(); +return( ret ); +} + +void *grealloc(void *old,long size) { + void *ret; + while (( ret = realloc(old,size))==NULL ) + trap(); +return( ret ); +} + +void gfree(void *old) { + free(old); +} +#endif /* USE_OUR_MEMORY */ + +void NoMoreMemMessage(void) { +/* Output an 'Out of memory' message, then continue */ + fprintf(stderr, "Out of memory\n" ); +} + +char *copy(const char *str) { + char *ret; + + if ( str==NULL ) +return( NULL ); + ret = (char *) galloc(strlen(str)+1); + strcpy(ret,str); +return( ret ); +} + +char *copyn(const char *str,long n) { + char *ret; + + if ( str==NULL ) +return( NULL ); + ret = (char *) galloc(n+1); + memcpy(ret,str,n); + ret[n]='\0'; +return( ret ); +} |