libsystem: add 64 bit signed/unsigned read-write api

[platform/core/system/libsystem.git] / src / libsystem / libsystem.h

diff --git a/src/libsystem/libsystem.h b/src/libsystem/libsystem.h
index 5f6df97..acd50dc 100644 (file)
--- a/src/libsystem/libsystem.h
+++ b/src/libsystem/libsystem.h
@@ -428,6 +428,58 @@ int write_uint32_to_file(FILE *f, uint32_t u, enum file_write_flags flags);
 int write_uint32_to_path(const char *path, uint32_t u, enum file_write_flags flags);
 
 /**
+ * @brief Write 64 bit signed decimal integer to FILE.
+ *
+ * @param f File pointer.
+ * @param i 64 bit signed integer to write.
+ * @param flags Optional flags to write file. if
+ * ::FILE_WRITE_NEWLINE_IF_NOT is set, line-end added. For detail, see
+ * ::file_write_flags.
+ *
+ * @return 0 on success, -errno on failure.
+ */
+int write_int64_to_file(FILE *f, int64_t i, enum file_write_flags flags);
+
+/**
+ * @brief Write 64 bit signed decimal integer to path.
+ *
+ * @param path File path.
+ * @param i 64 bit signed integer to write.
+ * @param flags Optional flags to write file. if
+ * ::FILE_WRITE_NEWLINE_IF_NOT is set, line-end added. For detail, see
+ * ::file_write_flags.
+ *
+ * @return 0 on success, -errno on failure.
+ */
+int write_int64_to_path(const char *path, int64_t i, enum file_write_flags flags);
+
+/**
+ * @brief Write 64 bit unsigned decimal integer to FILE.
+ *
+ * @param f File pointer
+ * @param u 64 bit Unsigned integer to write.
+ * @param flags Optional flags to write file. if
+ * ::FILE_WRITE_NEWLINE_IF_NOT is set, line-end added. For detail, see
+ * ::file_write_flags.
+ *
+ * @return 0 on success, -errno on failure.
+ */
+int write_uint64_to_file(FILE *f, uint64_t u, enum file_write_flags flags);
+
+/**
+ * @brief Write 64 bit unsigned decimal integer to path.
+ *
+ * @param path File path.
+ * @param u 64 bit Unsigned integer to write.
+ * @param flags Optional flags to write file. if
+ * ::FILE_WRITE_NEWLINE_IF_NOT is set, line-end added. For detail, see
+ * ::file_write_flags.
+ *
+ * @return 0 on success, -errno on failure.
+ */
+int write_uint64_to_path(const char *path, uint64_t u, enum file_write_flags flags);
+
+/**
  * @brief Read the first line from FILE
  *
  * @param f File pointer.
@@ -488,6 +540,46 @@ int read_uint32_from_file(FILE *f, uint32_t *u);
  * @return 0 on success, -errno on failure.
  */
 int read_uint32_from_path(const char *path, uint32_t *u);
+
+/**
+ * @brief Read 64 bit signed decimal integer from FILE.
+ *
+ * @param f File pointer.
+ * @param i 64 bit signed int value pointer.
+ *
+ * @return 0 on success, -errno on failure.
+ */
+int read_int64_from_file(FILE *f, int64_t *i);
+
+/**
+ * @brief Read 64 bit signed decimal integer from path.
+ *
+ * @param path File path.
+ * @param i 64 bit signed int value pointer.
+ *
+ * @return 0 on success, -errno on failure.
+ */
+int read_int64_from_path(const char *path, int64_t *i);
+
+/**
+ * @brief Read 64 bit unsigned decimal integer from FILE.
+ *
+ * @param f File pointer.
+ * @param u 64 bit unsigned int value pointer.
+ *
+ * @return 0 on success, -errno on failure.
+ */
+int read_uint64_from_file(FILE *f, uint64_t *u);
+
+/**
+ * @brief Read 64 bit unsigned decimal integer from path
+ *
+ * @param path File path.
+ * @param u 64 bit unsigned int value pointer.
+ *
+ * @return 0 on success, -errno on failure.
+ */
+int read_uint64_from_path(const char *path, uint64_t *u);
 /**
  * @}
  */