mac kernel and user space communication

rm_eo 在 Linux、UNIX下居然不同,不解

涩兔子 posted @ 2009年9月02日 16:51 in 未分类 , 6111 阅读

man regex中有Byte Offsets这样的一段,介绍遍历满足正则表达式条件的所有子串的rm_so(起始位置)和rm_eo(终止位置);


typedef struct {
    regoff_t rm_so;
    regoff_t rm_eo;
} regmatch_t;
有这样的字符串"xzhai=\"Unix/Linux geek\";legendren=\"GOD\";"



while (!regexec(&m_reg, tmp, 1, &m_match, 0)) 
    // FIXME: Unix regex`s rm_eo is often 0 test under Mac OS X Leopard;
    // But Linux POSIX regex`s rm_eo is normal test under Gentoo Linux
    printf("%d - %d\n", m_match.rm_so, m_match.rm_eo);
    tmp += m_match.rm_eo;



  • 无匹配
zhz44 说:
2009年9月05日 16:18

其实不奇怪的阿,linux下有些函数的实现是和unix不一样的. mac os x的实现可能更接近于FreeBSD一些吧.

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