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More common subroutines

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git-svn-id: svn://svn.cc65.org/cc65/trunk@69 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
2000-06-14 09:32:22 +00:00
parent 114bc5a370
commit 1081c1dcdd
27 changed files with 363 additions and 151 deletions
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73
src/common/fname.c Normal file
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/*****************************************************************************/
/* */
/* fname.c */
/* */
/* File name handling utilities */
/* */
/* */
/* */
/* (C) 2000 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#include <string.h>
#include "xmalloc.h"
#include "fname.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
char* MakeFilename (const char* Origin, const char* Ext)
/* Make a new file name from Origin and Ext. If Origin has an extension, it
* is removed and Ext is appended. If Origin has no extension, Ext is simply
* appended. The result is placed in a malloc'ed buffer and returned.
* The function may be used to create "foo.o" from "foo.s".
*/
{
/* Construct the name */
char* Result;
const char* P = strrchr (Origin, '.');
if (P == 0) {
/* No dot, add the extension */
Result = xmalloc (strlen (Origin) + strlen (Ext) + 1);
strcpy (Result, Origin);
strcat (Result, Ext);
} else {
Result = xmalloc (P - Origin + strlen (Ext) + 1);
memcpy (Result, Origin, P - Origin);
strcpy (Result + (P - Origin), Ext);
}
return Result;
}