diff --git a/include/utime.h b/include/utime.h new file mode 100644 index 0000000000..f9612f5d15 --- /dev/null +++ b/include/utime.h @@ -0,0 +1,81 @@ +/**************************************************************************** + * include/utime.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __INCLUDE_UTIME_H +#define __INCLUDE_UTIME_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +/**************************************************************************** + * Public Type Definitions + ****************************************************************************/ + +struct utimbuf +{ + time_t actime; /* Access time */ + time_t modtime; /* Modification time */ +}; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" +{ +#else +#define EXTERN extern +#endif + +/**************************************************************************** + * Name: utime + * + * Description: + * The utime() system call changes the access and modification times of + * the inode specified by path to the actime and modtime fields of times + * respectively. + * If times is NULL, then the access and modification times of the file + * are set to the current time. + * + * Input Parameters: + * path - Specifies the file to be modified + * times - Specifies the time value to set + * + * Returned Value: + * Upon successful completion, 0 shall be returned. Otherwise, -1 shall + * be returned and errno shall be set to indicate the error, and the file + * times shall not be affected. + * + ****************************************************************************/ + +int utime(FAR const char *path, FAR const struct utimbuf *times); + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __INCLUDE_UTIME_H */ diff --git a/libs/libc/unistd/Make.defs b/libs/libc/unistd/Make.defs index 3bf34d9951..cba837d9cd 100644 --- a/libs/libc/unistd/Make.defs +++ b/libs/libc/unistd/Make.defs @@ -26,7 +26,7 @@ CSRCS += lib_getopt_longonly.c lib_getoptvars.c lib_getoptargp.c CSRCS += lib_getopterrp.c lib_getoptindp.c lib_getoptoptp.c CSRCS += lib_alarm.c lib_fstatvfs.c lib_statvfs.c lib_sleep.c lib_nice.c CSRCS += lib_usleep.c lib_seteuid.c lib_setegid.c lib_geteuid.c lib_getegid.c -CSRCS += lib_setreuid.c lib_setregid.c lib_getrusage.c lib_utimes.c +CSRCS += lib_setreuid.c lib_setregid.c lib_getrusage.c lib_utime.c lib_utimes.c CSRCS += lib_setrlimit.c lib_getrlimit.c lib_setpriority.c lib_getpriority.c CSRCS += lib_futimes.c lib_futimens.c lib_gethostname.c lib_sethostname.c diff --git a/libs/libc/unistd/lib_utime.c b/libs/libc/unistd/lib_utime.c new file mode 100644 index 0000000000..26491bd958 --- /dev/null +++ b/libs/libc/unistd/lib_utime.c @@ -0,0 +1,47 @@ +/**************************************************************************** + * libs/libc/unistd/lib_utime.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +int utime(FAR const char *path, FAR const struct utimbuf *times) +{ + struct timeval timbuf[2]; + + if (times == NULL) + { + return utimes(path, NULL); + } + + timbuf[0].tv_sec = times->actime; + timbuf[0].tv_usec = 0; + timbuf[1].tv_sec = times->modtime; + timbuf[1].tv_usec = 0; + + return utimes(path, timbuf); +}