diff options
Diffstat (limited to 'printf.h')
| -rw-r--r-- | printf.h | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -60,7 +60,7 @@ int printf(const char* format, ...); /**
* Tiny sprintf implementation
- * Due to security reasons (buffer overflow) YOU SHOULD CONSIDER USING SNPRINTF INSTEAD!
+ * Due to security reasons (buffer overflow) YOU SHOULD CONSIDER USING (V)SNPRINTF INSTEAD!
* \param buffer A pointer to the buffer where to store the formatted string. MUST be big enough to store the output!
* \param format A string that specifies the format of the output
* \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character
@@ -80,6 +80,16 @@ int snprintf(char* buffer, size_t count, const char* format, ...); int vsnprintf(char* buffer, size_t count, const char* format, va_list va);
+/**
+ * printf with output function
+ * You may use this as dynamic alternative to printf() with its fixed _putchar() output
+ * \param out An output function which takes one character
+ * \param format A string that specifies the format of the output
+ * \return The number of characters that are sent to the output function, not counting the terminating null character
+ */
+int oprintf(void (*out)(char character), const char* format, ...);
+
+
#ifdef __cplusplus
}
#endif
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