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Covtool
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C++
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1.      
°²×°
make
make tests
make install
½«
/usr/local/covtool
Ìí¼Óµ½
PATH
½«
/usr/local/covtools
Ìí¼Óµ½
MANPATH£¨´Ë²½ºÜÖØÒª£¬ËüµÄman±ÈÎĵµ¿¿Æ×µÃ¶à£©
ÎÒÒ»°ãÊÇÌí¼ÓÔÚ/etc/profileÖÐ
 
2.      
ʹÓÃ
Èç¹ûÊÇʹÓÃ
makefile
£º
(1).
½«
g++
Ìæ»»Îª
cov++
¼´¿É¡£
(2).
ÖØÐÂ
build
(3).
ÔËÐÐËùÓеIJâÊÔ£¨Ç뾡Á¿È«µÄ²âÊÔ¸÷ÖÖÇé¿ö£©
(4).
ºÏ²¢
*.covexp
Îļþ£¨
cov++
ϵͳÉè¼ÆÎª¿ÉÒÔÔËÐжà´Î²âÊÔ³ÌÐòµÄ¸÷ÖÖÇé¿öÉú³É¶à¸ö
*.covexp
£¬È»ºó½«¶à´Î½á¹ûͳºÏÆðÀ´ÐγÉÒ»¸ö±¨¸æ£©£º
       
covmerge.exe find * -name ‘*.covexp’ –print
‘\
       
>merged.db
Í˳ö¡£
(5).
ÓÃ
*.db
ÎļþÉú³É
html
Îĵµ¡£
       
gen_html merged.db
(6).
Éú³ÉµÄÎĵµÔÚ
coverage_html
Ŀ¼ÏÂ
,
ÓÃä¯ÀÀÆ÷²é¿´
index.html
ÀýÈ磺
Files in
directory /home/lboggs/covtool/cov++_test
Percent
Coverged
Instrumented
Lines
Executed
Lines
Directory
Name
40
5
2
/home/lboggs/covtool/cov++_test/test1.c
40
5
2
/home/lboggs/covtool/cov++_test/test2.cxx
 
#include
<stdio.h>
 
 
    
void
function(int count)
+    
{
+    
  
if(count < 10)
-     
    
printf("too low\n");
 
    
  
else
+    
    
printf("ok!\n");
 
    
}
+
±íʾ´ËÐÐÔÚ²âÊÔÖб»Ö´ÐУ¬
-
±íʾ´ËÐÐÔÚ²âÊÔÖÐδִÐС£
 
3.
×¢Òâ
£º
      
(1).cov++
ĬÈϵÄ
c++
ÎļþÊÇ
*.c,
Èç¹ûÊÇ
*.cpp
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#include <sys/sem.h>
int semctl(int sem_id, int sem_num, int command, …);
int semget(key_t key, int num_sems, int sem_flags);
int semop(int sem_id, struct sembuf *sem_ops, size_t num_sem_ops);
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