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size_t get_executable_path( char* processdir,char* processname, size_t len)
{
char* path_end;
if(readlink("/proc/self/exe", processdir,len) <=0)
return -1;
path_end = strrchr(processdir, '/');
if(path_end == NULL)
return -1;
++path_end;
strcpy(processname, path_end);
*path_end = '\0';
return (size_t)(path_end - processdir);
}
int main()
{
char path[PATH_MAX];
char processname[1024];
get_executable_path(path, processname, sizeof(path));
printf("directory:%s\nprocessname:%s\n",path,processname);
}
[sam@hzhsan test]$
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