# utils\_file.h ## **Overview** **Related Modules:** [Utils\_file](Utils_file.md) **Description:** Performs operations on a file, including to open, close, write, read, and delete a file. **Since:** 1.0 **Version:** 1.0 ## **Summary** ## Macros
Defines the offset position used by UtilsFileSeek in a file to start offsetting from the file header. |
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Defines the offset position used by UtilsFileSeek in a file to start offsetting from the current read and write position. |
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Defines the offset position used by UtilsFileSeek in a file to start offsetting from the end of the file. |
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O_RDONLY_FS 00 |
Defines a flag used byUtilsFileOpen to open a file in read-only mode. |
O_WRONLY_FS 01 |
Defines a flag used by UtilsFileOpen to open a file in write-only mode. |
O_RDWR_FS 02 |
Defines a flag used by UtilsFileOpen to open a file in read-and-write mode. |
O_CREAT_FS 0100 |
Defines a flag used by UtilsFileOpen to create a file when the file to open does not exist. |
O_EXCL_FS 0200 |
Defines a flag used by UtilsFileOpen to check whether the file to open exists when O_CREAT_FS is already set. |
O_TRUNC_FS 01000 |
Defines a flag used by UtilsFileOpen to clear the file content if the file exists and can be opened in write mode. |
O_APPEND_FS 02000 |
Defines a flag used by UtilsFileOpen to start reading or writing from the end of a file. |
UtilsFileOpen (const char *path, int oflag, int mode) |
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UtilsFileClose (int fd) |
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UtilsFileRead (int fd, char *buf, unsigned int len) |
Reads a specified length of data from a file with the specified file descriptor and writes the data into the buffer. |
UtilsFileWrite (int fd, const char *buf, unsigned int len) |
Writes a specified length of data into a file with the specified file descriptor. |
UtilsFileDelete (const char *path) |
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UtilsFileStat (const char *path, unsigned int *fileSize) |
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UtilsFileSeek (int fd, int offset, unsigned int whence) |
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UtilsFileCopy (const char *src, const char *dest) |
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UtilsFileMove (const char *src, const char *dest) |