bool CDelBOM::DeleteBOM(CString& filePath)
{
char* sBuf;
sBuf = acl_vstream_loadfile(filePath);
if (sBuf == NULL)
return false;
size_t len = strlen(sBuf);
if (len < 3)
{
acl_myfree(sBuf);
return false;
}
// 先判断文件内容前缀是否是BOM格式
if (sBuf[0] != (char) 0xEF || sBuf[1] != (char) 0xBB || sBuf[2] != (char) 0xBF)
{
acl_myfree(sBuf);
return false;
}
// 将内容指针偏移 3 个字节，即去掉BOM格式
len -= 3;
char* ptr = sBuf + 3;
ACL_VSTREAM* fp = acl_vstream_fopen(filePath,
O_WRONLY | O_APPEND | O_TRUNC, 0600, 4096);
if (fp == NULL)
{
acl_myfree(sBuf);
return false;
}
else if (len == 0)
{
acl_vstream_fclose(fp);
acl_myfree(sBuf);
return true;
}
else if (acl_vstream_writen(fp, ptr, len) == ACL_VSTREAM_EOF)
{
acl_msg_error("write to file: %s error: %s",
filePath.GetString(), acl_last_serror());
}
acl_vstream_fclose(fp);
acl_myfree(sBuf);
return true;
}
CMsnContactManager::~CMsnContactManager(void)
{
STRING_SAFE_FREE(cache_key_);
STRING_SAFE_FREE(preferred_hostname_);
STRING_SAFE_FREE(session_id_);
if (groups_)
delete groups_;
if (memberShips_)
delete memberShips_;
if (contacts_)
delete contacts_;
if (addressAb_)
delete addressAb_;
if (debug_fpout_ == NULL)
acl_vstream_fclose(debug_fpout_);
}
static int test_file3(void)
{
char buf[1024];
int ret;
ACL_VSTREAM *fp = acl_vstream_fopen("test3.txt", O_RDONLY, 0700, 8192);
if (fp == NULL) {
printf("fopen error %s\n", acl_last_serror());
return (-1);
}
while (1) {
ret = acl_vstream_gets_nonl(fp, buf, sizeof(buf));
if (ret == ACL_VSTREAM_EOF)
break;
printf(">>>gets(%s), ret: %d\n", buf, ret);
}
acl_vstream_fclose(fp);
return (0);
}
static int test_vstream(void)
{
const char *filename = "test.txt";
ACL_VSTREAM *fp = acl_vstream_fopen(filename, O_RDWR | O_CREAT, 0644, 1024);
struct acl_stat sbuf;
char buf[256];
struct tm *local_time;
acl_lib_init();
if (fp == NULL) {
printf("open file(%s) error(%s)\r\n", filename, acl_last_serror());
end();
return (-1);
}
if (acl_vstream_fstat(fp, &sbuf) < 0) {
acl_vstream_close(fp);
printf("fstat file(%s) error(%s)\r\n", filename, acl_last_serror());
end();
return (-1);
}
printf("file(%s) stat:\r\n", filename);
printf("size=%d\r\n", (int) sbuf.st_size);
local_time = localtime(&sbuf.st_mtime);
if (local_time) {
strftime(buf, sizeof(buf), "%Y/%m/%d %H:%M:%S", local_time);
printf("修改时间，mtime=%s\r\n", buf);
} else {
printf("mtime: error(%s)\r\n", acl_last_serror());
}
local_time = localtime(&sbuf.st_ctime);
if (local_time) {
strftime(buf, sizeof(buf), "%Y/%m/%d %H:%M:%S", local_time);
printf("创建时间，ctime=%s\r\n", buf);
} else {
printf("ctime: error(%s)\r\n", acl_last_serror());
}
local_time = localtime(&sbuf.st_atime);
if (local_time) {
strftime(buf, sizeof(buf), "%Y/%m/%d %H:%M:%S", local_time);
printf("访问时间，atime=%s\r\n", buf);
} else {
printf("atime: error(%s)\r\n", acl_last_serror());
}
int ch, ch1;
ch = ACL_VSTREAM_GETC(fp);
ch = 'a';
for (int i = 0; i < 100; i++) {
ch1 = ACL_VSTREAM_PUTC(ch, fp);
assert(ch1 == ch);
printf("ok write char: %c\n", ch1);
}
ACL_VSTREAM_PUTC('\n', fp);
acl_vstream_fclose(fp);
end();
FILE *fp1 = fopen("test.txt", "w+");
assert(fp1);
int ret = fputs("hello", fp1);
printf("ret: %d\n", ret);
fclose(fp1);
return (0);
}
int main(int argc, char* argv[])
{
char buf[8192], filepath[256];
int ret, n;
ACL_VSTREAM* fp;
ACL_XML* xml;
struct timeval begin, end;
double spent;
int ch, use_slice = 0, cache_count = 1000;
filepath[0] = 0;
while ((ch = getopt(argc, argv, "hmc:f:")) > 0)
{
switch (ch)
{
case 'h':
usage(argv[0]);
return 0;
case 'm':
use_slice = 1;
break;
case 'c':
cache_count = atoi(optarg);
if (cache_count <= 0)
cache_count = 1000;
break;
case 'f':
snprintf(filepath, sizeof(filepath), "%s", optarg);
break;
default:
break;
}
}
if (use_slice)
acl_mem_slice_init(8, 1024, 100000,
ACL_SLICE_FLAG_GC2 |
ACL_SLICE_FLAG_RTGC_OFF |
ACL_SLICE_FLAG_LP64_ALIGN);
if (filepath[0] == 0)
{
usage(argv[0]);
return 1;
}
xml = acl_xml_alloc();
if (cache_count > 0)
acl_xml_cache(xml, cache_count);
fp = acl_vstream_fopen(filepath, O_RDONLY, 0600, 8192);
if (fp == NULL)
{
printf("open file %s error %s\r\n",
filepath, acl_last_serror());
acl_xml_free(xml);
return 1;
}
gettimeofday(&begin, NULL);
n = 0;
ACL_METER_TIME("------begin------");
while (1)
{
ret = acl_vstream_fgets(fp, buf, sizeof(buf) - 1);
if (ret == ACL_VSTREAM_EOF)
break;
buf[ret] = 0;
acl_xml_parse(xml, buf);
if (++n % 10000 == 0)
{
printf("line: %d\r\n", n);
ACL_METER_TIME("-------ok------");
}
if (n % cache_count == 0)
{
printf("reset xml, line: %d\r\n", n);
acl_xml_reset(xml);
}
}
gettimeofday(&end, NULL);
spent = stamp_sub(&end, &begin);
printf("\r\ntotal spent: %0.2f ms\r\n", spent);
acl_xml_free(xml);
acl_vstream_fclose(fp);
return 0;
}
