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https://github.com/netwide-assembler/nasm.git
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22538e2b67
nasmlib.c had basically turned into a garbage bin of various functions with very little in common. Break it up into logical components for isolation and manageability. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2016 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* nasmlib.c library routines for the Netwide Assembler
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*/
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#include "compiler.h"
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#include <stdlib.h>
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#include "nasmlib.h"
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void *nasm_malloc(size_t size)
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{
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void *p = malloc(size);
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if (!p)
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nasm_fatal(ERR_NOFILE, "out of memory");
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return p;
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}
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void *nasm_calloc(size_t size, size_t nelem)
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{
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void *p = calloc(size, nelem);
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if (!p)
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nasm_fatal(ERR_NOFILE, "out of memory");
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return p;
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}
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void *nasm_zalloc(size_t size)
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{
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return nasm_calloc(size, 1);
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}
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void *nasm_realloc(void *q, size_t size)
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{
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void *p = q ? realloc(q, size) : malloc(size);
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if (!p)
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nasm_fatal(ERR_NOFILE, "out of memory");
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return p;
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}
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void nasm_free(void *q)
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{
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if (q)
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free(q);
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}
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char *nasm_strdup(const char *s)
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{
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char *p;
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size_t size = strlen(s) + 1;
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p = nasm_malloc(size);
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return memcpy(p, s, size);
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}
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char *nasm_strndup(const char *s, size_t len)
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{
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char *p;
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len = strnlen(s, len);
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p = nasm_malloc(len+1);
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p[len] = '\0';
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return memcpy(p, s, len);
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}
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char *nasm_strcat(const char *one, const char *two)
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{
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char *rslt;
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size_t l1 = strlen(one);
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size_t l2 = strlen(two);
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rslt = nasm_malloc(l1 + l2 + 1);
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memcpy(rslt, one, l1);
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memcpy(rslt + l1, two, l2+1);
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return rslt;
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}
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