本文整理汇总了C++中rename函数的典型用法代码示例。如果您正苦于以下问题：C++ rename函数的具体用法？C++ rename怎么用？C++ rename使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了rename函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: write_config
/*
* Write a configuration to the config file.
*/
static void write_config(struct config_s *config)
{
#ifdef WINDOWS
remove(CONFIG_BAK_FILENAME); // For windows rename() bug.
#endif
if (rename(CONFIG_FILENAME, CONFIG_BAK_FILENAME) != 0 && errno != ENOENT)
{
warning("unable to back-up old configuation file \"%s\" to \"%s\"",
CONFIG_FILENAME, CONFIG_BAK_FILENAME);
}
errno = 0;
FILE *file = fopen(CONFIG_TMP_FILENAME, "w");
if (file == NULL)
{
warning("unable to open configuration file \"%s\" for writing",
CONFIG_TMP_FILENAME);
return;
}
fprintf(file, "# %s configuration file\n", PROGRAM_NAME_LONG);
fputs("# AUTOMATICALLY GENERATED, DO NOT EDIT\n", file);
fputc('\n', file);
fprintf(file, "%s = \"%s\"\n", VAR_ENABLED,
bool_to_string(config->enabled));
fprintf(file, "%s = \"%s\"\n", VAR_HIDE_TCP,
bool_to_string(config->hide_tcp));
fprintf(file, "%s = \"%s\"\n", VAR_HIDE_TCP_DATA,
bool_to_string(config->hide_tcp_data));
fprintf(file, "%s = \"%s\"\n", VAR_HIDE_TCP_SYN,
enum_to_string(config->hide_tcp_syn, flag_def, DEF_SIZE(flag_def)));
fprintf(file, "%s = \"%s\"\n", VAR_HIDE_TCP_ACK,
enum_to_string(config->hide_tcp_ack, flag_def, DEF_SIZE(flag_def)));
fprintf(file, "%s = \"%s\"\n", VAR_HIDE_TCP_PSH,
enum_to_string(config->hide_tcp_psh, flag_def, DEF_SIZE(flag_def)));
fprintf(file, "%s = \"%s\"\n", VAR_HIDE_TCP_FIN,
enum_to_string(config->hide_tcp_fin, flag_def, DEF_SIZE(flag_def)));
fprintf(file, "%s = \"%s\"\n", VAR_HIDE_TCP_RST,
enum_to_string(config->hide_tcp_rst, flag_def, DEF_SIZE(flag_def)));
fprintf(file, "%s = \"%s\"\n", VAR_HIDE_UDP,
bool_to_string(config->hide_udp));
fprintf(file, "%s = \"%s\"\n", VAR_SPLIT_MODE,
enum_to_string(config->split, split_def, DEF_SIZE(split_def)));
fprintf(file, "%s = \"%s\"\n", VAR_LOG_LEVEL,
enum_to_string((config_enum_t)log_get_level(), log_level_def,
DEF_SIZE(log_level_def)));
fprintf(file, "%s = \"%s\"\n", VAR_GHOST_MODE,
enum_to_string(config->ghost, ghost_def, DEF_SIZE(ghost_def)));
fprintf(file, "%s = \"%s\"\n", VAR_GHOST_CHECK,
bool_to_string(config->ghost_check));
fprintf(file, "%s = \"%s\"\n", VAR_GHOST_SET_TTL,
bool_to_string(config->ghost_set_ttl));
fprintf(file, "%s = \"%u\"\n", VAR_GHOST_TTL, config->ghost_ttl);
fprintf(file, "%s = \"%s\"\n", VAR_FRAG_MODE,
enum_to_string(config->fragment, frag_def, DEF_SIZE(frag_def)));
fprintf(file, "%s = \"%u\"\n", VAR_TCP_PORT, config->tcp_port);
fprintf(file, "%s = \"%s\"\n", VAR_TCP_PROTO,
protocol_get_name(config->tcp_proto));
fprintf(file, "%s = \"%u\"\n", VAR_UDP_PORT, config->udp_port);
fprintf(file, "%s = \"%s\"\n", VAR_UDP_PROTO,
protocol_get_name(config->udp_proto));
fprintf(file, "%s = \"%u\"\n", VAR_MTU, config->mtu);
fprintf(file, "%s = \"%s\"\n", VAR_LAUNCH_UI,
bool_to_string(config->launch_ui));
fclose(file);
#ifdef WINDOWS
remove(CONFIG_FILENAME);
#endif
if (rename(CONFIG_TMP_FILENAME, CONFIG_FILENAME) != 0)
{
warning("unable to move temporary configuration file \"%s\" to \"%s\"",
CONFIG_TMP_FILENAME, CONFIG_FILENAME);
}
}示例2: main
int
main(int argc, char **argv)
{
struct stat buf;
int ret;
char scratch[BUFSIZ];
char log[BUFSIZ];
char olog[BUFSIZ];
char *scratch_p = scratch;
char *mytag_p;
FILE *fp;
extern char *getenv();
char *parse();
int c;
extern char *optarg;
extern int optind;
int i;
char *Mytag_p = Mytag;
/* Get my port monitor tag out of the environment */
if ((mytag_p = getenv("PMTAG")) == NULL) {
/* no place to write */
exit(1);
}
strcpy(Mytag, mytag_p);
/* open log file */
sprintf(log, "%s/%s/%s", ALTDIR, Mytag_p, LOGNAME);
sprintf(olog, "%s/%s/%s", ALTDIR, Mytag_p, OLOGNAME);
if (stat(log, &buf) == 0) {
/* file exists, try and save it but if we can't don't worry */
unlink(olog);
rename(log, olog);
}
if ((i = open(log, O_WRONLY|O_CREAT|O_APPEND, 0444)) < 0)
logexit(1, nologfile);
/* as stated above, the log file should be file descriptor 5 */
if ((ret = fcntl(i, F_DUPFD, 5)) != 5)
logexit(1, nologfile);
Logfp = fdopen(ret, "a+");
/* Get my port monitor tag out of the environment */
if ((mytag_p = getenv("PMTAG")) == NULL) {
logexit(1, nopmtag);
}
strcpy(Mytag, mytag_p);
(void) umask(022);
Readdb = FALSE;
if (geteuid() != (uid_t) 0) {
logmessage("Must be root to start listener");
logexit(1, badstart);
}
while ((c = getopt(argc, argv, "m:")) != EOF)
switch (c) {
case 'm':
Minor_prefix = optarg;
break;
default:
logexit(1, usage);
break;
}
if ((Netspec = argv[optind]) == NULL) {
logexit(1, usage);
}
if ((Netconf = getnetconfigent(Netspec)) == NULL) {
sprintf(scratch, "no netconfig entry for <%s>", Netspec);
logmessage(scratch);
logexit(1, badstart);
}
if (!Minor_prefix)
Minor_prefix = argv[optind];
if ((int) strlen(Netspec) > PATHSIZE) {
logmessage(badnspmsg);
logexit(1, badstart);
}
/*
* SAC will start the listener in the correct directory, so we
* don't need to chdir there, as we did in older versions
*/
strcpy(Provbuf, "/dev/");
strcat(Provbuf, Netspec);
(void) umask(0);
init_files(); /* open Accept, Sac, Pm, Pass files */
pid_open(); /* create pid file */
#ifdef DEBUGMODE
sprintf(scratch, "%s/%s/%s", ALTDIR, Mytag, DBGNAME);
Debugfp = fopen(scratch, "w");
#endif
//.........这里部分代码省略.........
示例3: _T
void modeltest::editNexus(wxCommandEvent& event)
{
wxString wxline, nexusFile, nexP, finalB, nexTemp, temp, BICblock, AICblock, HLRTblock;
char line[2000];
string p1, p2, p3, sline; int pBpos, sel;
bool pBlock = false, toIns = true;
wxArrayString block;
const wxString choices[] = { _T("hLRTs"), _T("AIC"), _T("BIC")};
wxFileDialog* dialog = new wxFileDialog (this, "Select NEXUS file to insert PAUP block", "", "", FILETYPES3, wxOPEN, wxDefaultPosition);
if (dialog->ShowModal() == wxID_OK)
{
nexusFile = dialog->GetPath();
this->outputText->SaveFile("temp.txt");
ifstream modelOut ("temp.txt");
wxSingleChoiceDialog dialog(this, _T("Select LSET command to parse into NEXUS files"),_T("Please select one"), 3, choices);
if(dialog.ShowModal() == wxID_OK)
{
sel = dialog.GetSelection();
//if(sel == 1)
//{
// toIns = false;
//}
/* getting PAUP blocks from modeltest result file*/
while(!modelOut.eof())
{
modelOut.getline(line, 2000);
wxline = line;
if(wxline.Contains("PAUP* Commands Block"))
{
modelOut.getline(line, 2000);
wxline = line;
do
{
if(wxline.Length() >= 1)
{
block.Add(wxline+"\n");
}
temp += wxline + "\n";
modelOut.getline(line, 2000);
wxline = line;
}while(!wxline.Contains("END"));
block.Add("END;\n");
temp += "END;\n";
}
}
HLRTblock = block[0]+block[1]+block[2]+block[3]+block[4]+block[5];
AICblock = block[6]+block[7]+block[8]+block[9]+block[10]+block[11];
if(BIC == true)
{
BICblock = block[6]+block[7]+block[8]+block[9]+block[10]+block[11];
}
modelOut.close();
/*inserting block on nexus file*/
string nexustr;
nexustr = nexusFile;
ifstream nex(nexustr.c_str());
nexTemp = nexusFile + "temp";
ofstream nexT(nexTemp);
while(!nex.eof())
{
nex.getline(line, 2000);
wxline = line;
nexT << line << "\n";
}
if(sel == 0)
{
p1 = HLRTblock;
nexT << p1 << "\n";
}
else if(sel == 1)
{
p2 = AICblock;
nexT << p2 << "\n";
}
else if(sel == 2 && BIC == true)
{
p3 = BICblock;
nexT << p3 << "\n";
}
else if(sel == 2 && BIC == false)
{
wxMessageBox("BIC analysis not available.\nPlease rerun ModelTest with this option enabled");
}
nexT << line << "\n";
nex.close();
nexT.close();
remove(nexusFile);
rename(nexTemp, nexusFile);
}
}
}示例4: main
//.........这里部分代码省略.........
if ( 0 == ret ) {
if ( keep ) {
/* keep compressed file */
} else {
/* remove compressed file */
ret= unlink( infilename );
if ( 0 != ret ) {
fprintf( stderr, "error removing '%s'\n", infilename );
}
}
} else {
fprintf( stderr, "decompress error for file '%s'\n", infilename );
}
break;
case MODE_COMPRESS:
case MODE_DEFAULT:
default:
/* compress file */
/* check for ".z" at the end and refuse compression if found */
if ( ( 2 < strlen( infilename ) ) &&
( 0 == strcmp( infilename +strlen( infilename ) -2, ".z" ) ) ) {
fprintf( stderr, "ERROR: found '.z' suffix in filename, "
"file '%s' seems already compressed, skip\n",
infilename );
continue;
}
/* add trailing '.z' to output file name */
if ( strlen( outfilename ) +2 < sizeof( outfilename ) )
strcat( outfilename, ".z" );
fprintf( stdout, "compress \"%s\" -> \"%s\"\n",
infilename, outfilename );
ret= compressFile( infilename, outfilename, zlevel, BUFFERSIZE );
if ( 0 == ret ) {
if ( keep ) {
if ( outdir ) {
/* keep uncompressed file */
} else {
/* rename original file */
snprintf( outfilename, sizeof( outfilename ) -1, "%s.original",
infilename );
ret= rename( infilename, outfilename );
if ( 0 != ret ) {
fprintf( stderr, "error renaming '%s' to '%s'\n",
infilename, outfilename );
}
}
} else {
/* remove uncompressed */
ret= unlink( infilename );
if ( 0 != ret ) {
fprintf( stderr, "error removing '%s'\n", infilename );
}
}
} else {
fprintf( stderr, "compress error for file '%s'\n", infilename );
}
break;
}
}
}
return 0;
}示例5: trunk_binlog_merge_file
static int trunk_binlog_merge_file(int old_fd)
{
int result;
int tmp_fd;
int bytes;
char binlog_filename[MAX_PATH_SIZE];
char tmp_filename[MAX_PATH_SIZE];
char buff[64 * 1024];
get_trunk_binlog_filename(binlog_filename);
sprintf(tmp_filename, "%s.tmp", binlog_filename);
tmp_fd = open(tmp_filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (tmp_fd < 0)
{
result = errno != 0 ? errno : EACCES;
logError("file: "__FILE__", line: %d, " \
"open file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmp_filename, result, STRERROR(result));
return result;
}
while ((bytes=fc_safe_read(old_fd, buff, sizeof(buff))) > 0)
{
if (fc_safe_write(tmp_fd, buff, bytes) != bytes)
{
result = errno != 0 ? errno : EACCES;
logError("file: "__FILE__", line: %d, " \
"write to file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmp_filename,
result, STRERROR(result));
close(tmp_fd);
return result;
}
}
if (access(binlog_filename, F_OK) == 0)
{
int binlog_fd;
if ((binlog_fd=trunk_binlog_open_read(binlog_filename,
false)) < 0)
{
close(tmp_fd);
return errno != 0 ? errno : EPERM;
}
while ((bytes=fc_safe_read(binlog_fd, buff, sizeof(buff))) > 0)
{
if (fc_safe_write(tmp_fd, buff, bytes) != bytes)
{
result = errno != 0 ? errno : EACCES;
logError("file: "__FILE__", line: %d, " \
"write to file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmp_filename,
result, STRERROR(result));
close(tmp_fd);
close(binlog_fd);
return result;
}
}
close(binlog_fd);
}
if (fsync(tmp_fd) != 0)
{
result = errno != 0 ? errno : EIO;
logError("file: "__FILE__", line: %d, " \
"sync file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmp_filename, \
errno, STRERROR(errno));
close(tmp_fd);
return result;
}
close(tmp_fd);
if (rename(tmp_filename, binlog_filename) != 0)
{
result = errno != 0 ? errno : EPERM;
logError("file: "__FILE__", line: %d, " \
"rename %s to %s fail, " \
"errno: %d, error info: %s",
__LINE__, tmp_filename, binlog_filename,
result, STRERROR(result));
return result;
}
return 0;
}示例6: trunk_reader_init
int trunk_reader_init(FDFSStorageBrief *pStorage, TrunkBinLogReader *pReader)
{
char full_filename[MAX_PATH_SIZE];
IniContext iniContext;
int result;
int64_t saved_binlog_offset;
bool bFileExist;
saved_binlog_offset = pReader->binlog_offset;
memset(pReader, 0, sizeof(TrunkBinLogReader));
pReader->mark_fd = -1;
pReader->binlog_fd = -1;
pReader->binlog_buff.buffer = (char *)malloc( \
TRUNK_BINLOG_BUFFER_SIZE);
if (pReader->binlog_buff.buffer == NULL)
{
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail, " \
"errno: %d, error info: %s", \
__LINE__, TRUNK_BINLOG_BUFFER_SIZE, \
errno, STRERROR(errno));
return errno != 0 ? errno : ENOMEM;
}
pReader->binlog_buff.current = pReader->binlog_buff.buffer;
if (pStorage == NULL)
{
strcpy(pReader->storage_id, "0.0.0.0");
}
else
{
strcpy(pReader->storage_id, pStorage->id);
}
trunk_mark_filename_by_reader(pReader, full_filename);
if (pStorage == NULL)
{
bFileExist = false;
pReader->binlog_offset = saved_binlog_offset;
}
else
{
bFileExist = fileExists(full_filename);
if (!bFileExist && (g_use_storage_id && pStorage != NULL))
{
char old_mark_filename[MAX_PATH_SIZE];
trunk_get_mark_filename_by_ip_and_port( \
pStorage->ip_addr, g_server_port, \
old_mark_filename, sizeof(old_mark_filename));
if (fileExists(old_mark_filename))
{
if (rename(old_mark_filename, full_filename)!=0)
{
logError("file: "__FILE__", line: %d, "\
"rename file %s to %s fail" \
", errno: %d, error info: %s", \
__LINE__, old_mark_filename, \
full_filename, errno, \
STRERROR(errno));
return errno != 0 ? errno : EACCES;
}
bFileExist = true;
}
}
}
if (bFileExist)
{
memset(&iniContext, 0, sizeof(IniContext));
if ((result=iniLoadFromFile(full_filename, &iniContext)) \
!= 0)
{
logError("file: "__FILE__", line: %d, " \
"load from mark file \"%s\" fail, " \
"error code: %d", \
__LINE__, full_filename, result);
return result;
}
if (iniContext.global.count < 1)
{
iniFreeContext(&iniContext);
logError("file: "__FILE__", line: %d, " \
"in mark file \"%s\", item count: %d < 7", \
__LINE__, full_filename, iniContext.global.count);
return ENOENT;
}
pReader->binlog_offset = iniGetInt64Value(NULL, \
MARK_ITEM_BINLOG_FILE_OFFSET, \
&iniContext, -1);
if (pReader->binlog_offset < 0)
{
iniFreeContext(&iniContext);
logError("file: "__FILE__", line: %d, " \
"in mark file \"%s\", binlog_offset: "\
"%"PRId64" < 0", \
__LINE__, full_filename, \
//.........这里部分代码省略.........
示例7: os_rename
static int os_rename (lua_State *L) {
const char *fromname = luaL_checkstring(L, 1);
const char *toname = luaL_checkstring(L, 2);
return luaL_fileresult(L, rename(fromname, toname) == 0, fromname);
}示例8: wrename
int wrename(const OsPath& pathnameOld, const OsPath& pathnameNew)
{
return rename(OsString(pathnameOld).c_str(), OsString(pathnameNew).c_str());
}示例9: main
int
main (int argc, char **argv)
{
const char *name, *error;
char *renamed;
aiger *aiger;
int i, res;
name = 0;
for (i = 1; i < argc; i++)
{
if (!strcmp (argv[i], "-h"))
{
fprintf (stderr, "usage: aigstrip [-h][<file>]\n");
return 0;
}
else if (argv[i][0] == '-')
{
fprintf (stderr, "*** [aigstrip] invalid option '%s'\n", argv[i]);
return 1;
}
else if (name)
{
fprintf (stderr, "*** [aigstrip] multiple files\n");
return 1;
}
else
name = argv[i];
}
res = 0;
aiger = aiger_init ();
if (!name)
{
if((error = aiger_read_from_file (aiger, stdin))) goto PARSE_ERROR;
(void) aiger_strip_symbols_and_comments (aiger);
if (!aiger_write_to_file (aiger,
(isatty (1) ? aiger_ascii_mode : aiger_binary_mode), stdout))
{
fprintf (stderr, "*** [aigstrip] write error\n");
res = 1;
}
}
else if ((error = aiger_open_and_read_from_file (aiger, name)))
{
PARSE_ERROR:
fprintf (stderr, "*** [aigstrip] read error: %s\n", error);
res = 1;
}
else
{
(void) aiger_strip_symbols_and_comments (aiger);
renamed = malloc (strlen (name) + 2);
sprintf (renamed, "%s~", name);
if (rename (name, renamed))
{
fprintf (stderr, "*** [aigstrip] failed to rename '%s'\n", name);
res = 1;
}
else if (aiger_open_and_write_to_file (aiger, name))
{
if (unlink (renamed))
{
fprintf (stderr,
"*** [aigstrip] failed to remove '%s'\n", renamed);
res = 0; /* !!! */
}
}
else
{
fprintf (stderr, "*** [aigstrip] failed to write '%s'\n", name);
res = 1;
if (rename (renamed, name))
fprintf (stderr, "*** [aigstrip] backup in '%s'\n", renamed);
else
fprintf (stderr, "*** [aigstrip] original file restored\n");
}
free (renamed);
}
aiger_reset (aiger);
return res;
}示例10: redirect
void redirect (const char *line, const char *makefile)
{
struct stat st;
FILE *fdin, *fdout;
char backup[BUFSIZ], buf[BUFSIZ];
bool found = false;
int len;
/* if makefile is "-" then let it pour onto stdout. */
if (makefile && *makefile == '-' && *(makefile + 1) == '\0')
{
puts (line);
return;
}
/* use a default makefile is not specified. */
if (!makefile)
{
if (stat ("Makefile", &st) == 0)
makefile = "Makefile";
else if (stat ("makefile", &st) == 0)
makefile = "makefile";
else
fatalerr ("[mM]akefile is not present\n");
}
else
if (stat (makefile, &st))
st.st_mode = 0640;
if ((fdin = fopen (makefile, "r")) == NULL)
{
/* Try to create file if it does not exist */
if (opt_create)
{
fdin = fopen (makefile, "w");
if (fdin)
{
fclose (fdin);
fdin = fopen (makefile, "r");
}
}
if (!fdin)
fatalerr ("cannot open \"%s\"\n", makefile);
}
#if defined (__DJGPP__)
// DOS cannot handle long filenames
{
char *src = makefile;
char *dst = backup;
while (*src && (*src != '.'))
*dst++ = *src++;
strcpy (dst, ".bak");
}
#else
sprintf (backup, "%s.bak", makefile);
#endif
unlink (backup);
#if defined(WIN32) || defined(__EMX__) || defined (__DJGPP__)
fclose (fdin);
#endif
if (rename (makefile, backup) < 0)
fatalerr ("cannot rename %s to %s\n", makefile, backup);
#if defined(WIN32) || defined(__EMX__) || defined (__DJGPP__)
if ((fdin = fopen (backup, "r")) == NULL)
fatalerr ("cannot open \"%s\"\n", backup);
#endif
if ((fdout = freopen (makefile, "w", stdout)) == NULL)
fatalerr ("cannot open \"%s\"\n", backup);
len = strlen (line);
while (!found && fgets (buf, BUFSIZ, fdin))
{
if (*buf == '#' && strncmp (line, buf, len) == 0)
found = true;
fputs (buf, fdout);
}
if (!found)
{
if (opt_verbose)
warning ("Adding new delimiting line \"%s\" and dependencies...\n",
line);
puts (line); /* same as fputs(fdout); but with newline */
}
else if (opt_append)
{
while (fgets (buf, BUFSIZ, fdin))
{
fputs (buf, fdout);
}
}
fflush (fdout);
#if defined(USGISH) || defined(_SEQUENT_) || defined(USE_CHMOD)
chmod (makefile, st.st_mode);
#else
fchmod (fileno (fdout), st.st_mode);
#endif /* USGISH */
fclose (fdin);
if (!opt_backup)
unlink (backup);
//.........这里部分代码省略.........
示例11: omrfile_move
int32_t
omrfile_move(struct OMRPortLibrary *portLibrary, const char *pathExist, const char *pathNew)
{
return rename(pathExist, pathNew);
}示例12: main
//.........这里部分代码省略.........
system("cls");
}
gotoxy(25,16);
printf("Press any key to Return to Main Menu");
getch();
break;
case 3:
//Delete entry
system("cls");
FILE *fn;
gotoxy(25,10);
printf("Enter roll no.:\t");
scanf("%d",&rol);
fp=fopen("hostel_data.txt","r");
fn=fopen("hostel_data2.txt","w");
while(another=='y'||another=='Y')
{
while(fscanf(fp,"%d%s%s%s%d%d%d%d",&eh[i].roll,eh[i].name,eh[i].deptt,eh[i].permntadd,&eh[i].roomno,&eh[i].ac.messchrges,&eh[i].ac.fine,&eh[i].ac.total)!=EOF)
{ if(eh[i].roll==rol)
flag=1;
if(eh[i].roll!=rol)
{fprintf(fn,"%d\t%s\t%s\t%s\t%d\t%d\t%d\t%d\n",eh[i].roll,eh[i].name,eh[i].deptt,eh[i].permntadd,eh[i].roomno,eh[i].ac.messchrges,eh[i].ac.fine,eh[i].ac.total);
}
}
fclose( fp);
fclose( fn);
remove( "hostel_data.txt");
rename( "hostel_data2.txt", "hostel_data.txt");
gotoxy(25,12);
if(flag==1)
printf("Entry Successfully Deleted");
if(flag==0)
printf("Not in Record!");
gotoxy(25,14);
printf("Want to Delete Another Record(press y/n):\t");
fflush(stdin);
scanf("%c",&another);
getch();
system("cls");
}
gotoxy(25,16);
printf("Press any key to Return to Main Menu");
getch();
break;
case 4:
//modify entry
system("cls");
FILE *f;
gotoxy(25,10);
printf("Enter Roll number whose Record is to be modified\t");
scanf("%d",&rol);
fp=fopen("hostel_data.txt","r");
f=fopen("hostel_data3.txt","w");
while(another=='y'||another=='Y')示例13: dload_printf_to_file
/*lint -e528*/
static int dload_printf_to_file(const char *path, int tv_sec, int tv_usec, const char *buf)
{
FILE *pFile = NULL;
int file_length = 0;
char filea_name[DLOAD_LOGREC_PATH_LENGTH] = {0};
char fileb_name[DLOAD_LOGREC_PATH_LENGTH] = {0};
int ret = 0;
int status = 0;
ret = access(path, F_OK);
if(ret)
{
/* 目录不存在，则创建目录 */
status = mkdir(path, S_IRWXU);
if(-1 == status)
{
printf("[DLOAD LOGREC] mkdir %s error.\n", path, strerror(errno));
return DLOAD_ERR;
}
}
/*获取file A长度*/
/*lint -e119*/
snprintf(filea_name, DLOAD_LOGREC_PATH_LENGTH, "%s%s", path, DLOAD_LOGREC_FILENAME_A);
/*lint +e119*/
pFile = fopen(filea_name, "a+");
if (NULL == pFile)
{
printf("[DLOAD LOGREC] fopen %s, %s\n", filea_name, strerror(errno));
return DLOAD_ERR;
}
ret = fseek(pFile, 0, SEEK_END);
if(0 != ret)
{
fclose(pFile);
printf("[DLOAD LOGREC] fseek %s, %s\n", filea_name, strerror(errno));
return DLOAD_ERR;
}
file_length = ftell(pFile);
if(0 > file_length)
{
fclose(pFile);
printf("[DLOAD LOGREC] Get length %s, %s\n", filea_name, strerror(errno));
return DLOAD_ERR;
}
/*如果超长: A->B, new A*/
if (DLOAD_LOGREC_MAX_FILESIZE <= file_length)
{
fclose(pFile);
/*lint -e119*/
snprintf(fileb_name, DLOAD_LOGREC_PATH_LENGTH, "%s%s", path, DLOAD_LOGREC_FILENAME_B);
/*lint +e119*/
ret = rename(filea_name, fileb_name);
if (0 != ret)
{
printf("[DLOAD LOGREC] Rename %s to %s, %s\n", filea_name, fileb_name, strerror(errno));
return DLOAD_ERR;
}
pFile = NULL;
pFile = fopen(filea_name, "a+");
if (NULL == pFile)
{
printf("[DLOAD LOGREC] Open %s, %s\n", filea_name, strerror(errno));
return DLOAD_ERR;
}
}
ret = fprintf(pFile, "[%d.%d]", tv_sec, tv_usec);
if (0 > ret)
{
fclose(pFile);
printf("[DLOAD LOGREC] fprintf %s, %s\n", filea_name, strerror(errno));
return DLOAD_ERR;
}
ret = fprintf(pFile, "%s", buf);
if (0 > ret)
{
fclose(pFile);
printf("[DLOAD LOGREC] fvprintf %s, %s\n", filea_name, strerror(errno));
return DLOAD_ERR;
}
fclose(pFile);
return DLOAD_OK;
}示例14: main
main(int argc, char **argv)
{
struct stat sb;
int errs;
if (argc < 3) {
usage();
}
/*
* If moving a bunch of files to a directory, last element
* has to be a directory.
*/
if (stat(argv[argc-1], &sb) < 0) {
/*
* a, b, c -> d But d doesn't exist
*/
if (argc > 3) {
fprintf(stderr, "Last argument should be dir: %s\n",
argv[argc-1]);
exit(1);
}
/*
* a -> b
*/
if (rename(argv[1], argv[2]) < 0) {
perror(argv[2]);
exit(1);
}
exit(0);
}
/*
* If dest is a directory, move each into it
*/
errs = 0;
if ((sb.st_mode & S_IFMT) == S_IFDIR) {
int x, len;
char *base;
argc -= 1;
base = argv[argc];
len = strlen(base)+1;
for (x = 1; x < argc; ++x) {
char *dest;
dest = malloc(len + strlen(argv[x]) + 1);
sprintf(dest, "%s/%s", base, argv[x]);
if (rename(argv[x], dest) < 0) {
perror(dest);
errs += 1;
}
}
} else {
/*
* Existing dest--overwrite if a -> b, otherwise error
*/
if (argc != 3) {
fprintf(stderr, "Last argument should be dir: %s\n",
argv[argc-1]);
exit(1);
}
unlink(argv[2]);
if (rename(argv[1], argv[2]) < 0) {
perror(argv[2]);
errs = 1;
}
}
return(errs ? 1 : 0);
}示例15: test_rename
void test_rename(char *workdir) {
char file1[1024], file2[1024], link[1024],
subdir[1024], newdir[1024];
struct stat sb1, sb2;
int fd;
printf("testing rename\n");
sprintf(file1, "%s/file1", workdir);
sprintf(file2, "%s/file2", workdir);
/* test stat first.. since we need it to test rename */
my_stat(file1, &sb1);
/* Not much to look at, really.. how about making sure that
the modification time of the file is not in the future.
allow ten seconds of slack */
if (sb1.st_mtime > time(NULL) + 10) {
printf("Modification time of %s is in the future!\n",
file1);
exit(1);
}
my_rename(file1, file2);
/* try repeat */
if (!rename(file1, file2)) {
printf("repeat rename(%s,%s) worked.. but it shouldn't have\n",
file1, file2);
exit(1);
}
/* inode number of file2 should be the same as it was for file1 */
verify_inum(file2, &sb1);
/* rename back */
my_rename(file2, file1);
verify_inum(file1, &sb1);
/* Make a subdir, which will be renamed */
sprintf(subdir, "%s/rename_this_dir", workdir);
my_mkdir(subdir);
my_stat(subdir, &sb2);
/* Test moving a file into a subdir */
sprintf(file2, "%s/file1", subdir);
my_rename(file1, file2);
verify_inum(file2, &sb1);
/* Add in a hard link to spice things up */
sprintf(link, "%s/link", subdir);
my_link(file2, link);
sprintf(newdir, "%s/newdirname", workdir);
my_rename(subdir, newdir);
verify_inum(newdir, &sb2);
sprintf(file2, "%s/file1", newdir);
verify_inum(file2, &sb1);
sprintf(link, "%s/newdirname/link", workdir);
verify_inum(link, &sb1);
/* Test moving up in the tree */
my_rename(file2,file1);
verify_inum(file1, &sb1);
my_unlink(link);
my_rmdir(newdir);
}