tools.c

台湾大学的一个mgcp 协议的实现源码,对研究mgcp协议很有帮助!

/* 
 * Copyright (C) 1999-2000 Computer & Communications Research Laboratories,
 *				           Industrial Technology Research Institute
 */
/*
 * tools.c
 */
#include <string.h>
#include <stdlib.h>

/* copy string s, mapping to uppercase */
char* copyUp(char* s)
{
    char* copy;
    char* c;

    if( s==NULL ) return NULL;

    copy = malloc(strlen(s)+1);
    c = copy;

    while( ((*c++)=toupper(*s++)) != 0 );

    return copy;
}

/* return true if pattern appears in s */
/* ??? check and see if strstr is reasonably efficient 
 * probably will be replaced by simple data structure
 */
int contains(char*s, char*pattern)
{
    return s!=NULL && strstr(s,pattern) != NULL;
}