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/* Add string to a section.
Copyright (C) 2002 Red Hat, Inc.
Written by Ulrich Drepper <drepper@redhat.com>, 2002.
This program is Open Source software; you can redistribute it and/or
modify it under the terms of the Open Software License version 1.0 as
published by the Open Source Initiative.
You should have received a copy of the Open Software License along
with this program; if not, you may obtain a copy of the Open Software
License version 1.0 from http://www.opensource.org/licenses/osl.php or
by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
3001 King Ranch Road, Ukiah, CA 95482. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <libasmP.h>
/* Add zero terminated string STR of size LEN to (sub)section ASMSCN. */
int
asm_addstrz (asmscn, str, len)
AsmScn_t *asmscn;
const char *str;
size_t len;
{
if (asmscn == NULL)
return -1;
if (unlikely (asmscn->type == SHT_NOBITS))
{
if (len == 0)
{
if (str[0] != '\0')
{
__libasm_seterrno (ASM_E_TYPE);
return -1;
}
}
else
{
size_t cnt;
for (cnt = 0; cnt < len; ++cnt)
if (str[cnt] != '\0')
{
__libasm_seterrno (ASM_E_TYPE);
return -1;
}
}
}
if (len == 0)
len = strlen (str) + 1;
if (unlikely (asmscn->ctx->textp))
{
bool nextline = true;
do
{
if (nextline)
{
fputs ("\t.string\t\"", asmscn->ctx->out.file);
nextline = false;
}
if (*str == '\0')
fputs ("\\000", asmscn->ctx->out.file);
else if (! isascii (*str))
fprintf (asmscn->ctx->out.file, "\\%03o",
(unsigned int) *((unsigned char *)str));
else if (*str == '\\')
fputs ("\\\\", asmscn->ctx->out.file);
else if (*str == '\n')
{
fputs ("\\n\"", asmscn->ctx->out.file);
nextline = true;
}
else
fputc (*str, asmscn->ctx->out.file);
++str;
}
while (--len > 0 && (len > 1 || *str != '\0'));
if (! nextline)
fputs ("\"\n", asmscn->ctx->out.file);
}
else
{
/* Make sure there is enough room. */
if (__libasm_ensure_section_space (asmscn, len) != 0)
return -1;
/* Copy the string. */
memcpy (&asmscn->content->data[asmscn->content->len], str, len);
/* Adjust the pointer in the data buffer. */
asmscn->content->len += len;
/* Increment the offset in the (sub)section. */
asmscn->offset += len;
}
return 0;
}
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