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1 /* ----------------------------------------------------------------------- *
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2 *
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3 * Copyright 1996-2016 The NASM Authors - All Rights Reserved
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4 * See the file AUTHORS included with the NASM distribution for
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5 * the specific copyright holders.
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6 *
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7 * Redistribution and use in source and binary forms, with or without
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8 * modification, are permitted provided that the following
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9 * conditions are met:
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10 *
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11 * * Redistributions of source code must retain the above copyright
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12 * notice, this list of conditions and the following disclaimer.
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13 * * Redistributions in binary form must reproduce the above
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14 * copyright notice, this list of conditions and the following
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15 * disclaimer in the documentation and/or other materials provided
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16 * with the distribution.
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17 *
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18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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19 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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31 *
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32 * ----------------------------------------------------------------------- */
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33
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34 /*
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35 * nasmlib.c library routines for the Netwide Assembler
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36 */
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37
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38 #include "compiler.h"
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39 #include "nasmlib.h"
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40 #include "error.h"
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41
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42 void standard_extension(char *inname, char *outname, char *extension)
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43 {
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44 char *p, *q;
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45
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46 if (*outname) /* file name already exists, */
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47 return; /* so do nothing */
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48 q = inname;
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49 p = outname;
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50 while (*q)
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51 *p++ = *q++; /* copy, and find end of string */
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52 *p = '\0'; /* terminate it */
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53 while (p > outname && *--p != '.') ; /* find final period (or whatever) */
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54 if (*p != '.')
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55 while (*p)
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56 p++; /* go back to end if none found */
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57 if (!strcmp(p, extension)) { /* is the extension already there? */
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58 if (*extension)
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59 nasm_error(ERR_WARNING | ERR_NOFILE,
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60 "file name already ends in `%s': "
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61 "output will be in `nasm.out'", extension);
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62 else
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63 nasm_error(ERR_WARNING | ERR_NOFILE,
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64 "file name already has no extension: "
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65 "output will be in `nasm.out'");
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66 strcpy(outname, "nasm.out");
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67 } else
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68 strcpy(p, extension);
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69 }
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