nasm/nasmlib/filename.c
H. Peter Anvin 22538e2b67 nasmlib: break up nasmlib.c into logical components
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>
2016-05-25 05:43:49 -07:00

69 lines
2.8 KiB
C

/* ----------------------------------------------------------------------- *
*
* Copyright 1996-2016 The NASM Authors - All Rights Reserved
* See the file AUTHORS included with the NASM distribution for
* the specific copyright holders.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "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 COPYRIGHT OWNER OR
* CONTRIBUTORS 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.
*
* ----------------------------------------------------------------------- */
/*
* nasmlib.c library routines for the Netwide Assembler
*/
#include "compiler.h"
#include "nasmlib.h"
void standard_extension(char *inname, char *outname, char *extension)
{
char *p, *q;
if (*outname) /* file name already exists, */
return; /* so do nothing */
q = inname;
p = outname;
while (*q)
*p++ = *q++; /* copy, and find end of string */
*p = '\0'; /* terminate it */
while (p > outname && *--p != '.') ; /* find final period (or whatever) */
if (*p != '.')
while (*p)
p++; /* go back to end if none found */
if (!strcmp(p, extension)) { /* is the extension already there? */
if (*extension)
nasm_error(ERR_WARNING | ERR_NOFILE,
"file name already ends in `%s': "
"output will be in `nasm.out'", extension);
else
nasm_error(ERR_WARNING | ERR_NOFILE,
"file name already has no extension: "
"output will be in `nasm.out'");
strcpy(outname, "nasm.out");
} else
strcpy(p, extension);
}