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robotwxy / robotwxy.github.io

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Gitment #9

Open robotwxy opened 6 years ago

robotwxy commented 6 years ago

https://robotwxy.github.io/2017/10/29/Notes/

robotwxy commented 6 years ago

inet_addr():将一个点间隔地址转换成一个in_addr ulong l= inet_addr("192.168.0.74"); inet_ntoa(): 将网络地址转换成“.”点隔的字符串格式 struct in_addr addr1; inet_ntoa(addr1); inet_aton(): 字符串IP地址转换为一个32位的网络序列IP地址 struct sockaddr_in adr_inet; inet_aton("127.0.0.1",&adr_inet.sin_addr);

robotwxy commented 6 years ago

pragma message("text") 可以在編譯時打印

script命令可以收集所有在terminal上打印的信息。

robotwxy commented 6 years ago

dump_stack()； 可以在kernel中打印出函数栈。

robotwxy commented 6 years ago

grep -r "" ./

robotwxy commented 6 years ago

%pf 可以打印函數指針指向的函數名

robotwxy commented 6 years ago

iw send cmd: NL80211_CMD_TRIGGER_SCAN driver recv cmd: NL80211_CMD_TRIGGER_SCAN ->nl80211_trigger_scan()->rdev_scan()->realtek_cfg80211_scan() ->start_clnt_ss() //start timer->rtl8192cd_ss_timer()->event_indicate_cfg80211()->cfg80211_scan_done() driver send cmd: NL80211_CMD_NEW_SCAN_RESULTS iw recv cmd: NL80211_CMD_NEW_SCAN_RESULTS iw send cmd: NL80211_CMD_GET_SCAN driver recv cmd: NL80211_CMD_GET_SCAN nl80211_dump_scan()->nl80211_send_bss() driver send cmd: NL80211_CMD_NEW_SCAN_RESULTS iw recv bss

robotwxy commented 5 years ago

git: clone status log reflog add . commit -m reset --hard HEAD^ push pull