/*** *strdup.c - duplicate a string in malloc'd memory * * Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved. * *Purpose: * defines _strdup() - grab new memory, and duplicate the string into it. * *******************************************************************************/ #include #include #include /*** *char *_strdup(string) - duplicate string into malloc'd memory * *Purpose: * Allocates enough storage via malloc() for a copy of the * string, copies the string into the new memory, and returns * a pointer to it. * *Entry: * char *string - string to copy into new memory * *Exit: * returns a pointer to the newly allocated storage with the * string in it. * * returns NULL if enough memory could not be allocated, or * string was NULL. * *Uses: * *Exceptions: * *******************************************************************************/ char * __cdecl _strdup ( const char * string ) { char *memory; if (!string) return(NULL); if (memory = malloc(strlen(string) + 1)) return(strcpy(memory,string)); return(NULL); }