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75 lines
3.5 KiB
C
75 lines
3.5 KiB
C
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/*****************************************************************************/
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/* */
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/* fname.c */
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/* */
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/* File name handling utilities */
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/* */
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/* */
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/* */
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/* (C) 2000 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#include <string.h>
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#include "mem.h"
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#include "fname.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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char* MakeFilename (const char* Origin, const char* Ext)
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/* Make a new file name from Origin and Ext. If Origin has an extension, it
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* is removed and Ext is appended. If Origin has no extension, Ext is simply
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* appended. The result is placed in a malloc'ed buffer and returned.
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* The function may be used to create "foo.o" from "foo.s".
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*/
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{
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/* Construct the name */
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char* Result;
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const char* P = strrchr (Origin, '.');
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if (P == 0) {
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/* No dot, add the extension */
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Result = Xmalloc (strlen (Origin) + strlen (Ext) + 1);
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strcpy (Result, Origin);
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strcat (Result, Ext);
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} else {
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Result = Xmalloc (P - Origin + strlen (Ext) + 1);
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memcpy (Result, Origin, P - Origin);
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strcpy (Result + (P - Origin), Ext);
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}
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return Result;
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}
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