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added vsprintf() - sprintf with variable arguments list #76

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added vsprintf() - sprintf with variable arguments list #76

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4 changes: 4 additions & 0 deletions printf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -896,6 +896,10 @@ int vprintf_(const char* format, va_list va)
return _vsnprintf(_out_char, buffer, (size_t)-1, format, va);
}

int vsprintf_(char* buffer, const char* format, va_list va)
{
return _vsnprintf(_out_buffer, buffer, (size_t)-1, format, va);
}

int vsnprintf_(char* buffer, size_t count, const char* format, va_list va)
{
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9 changes: 6 additions & 3 deletions printf.h
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Expand Up @@ -62,14 +62,17 @@ int printf_(const char* format, ...);


/**
* Tiny sprintf implementation
* Tiny sprintf/vsprintf implementation
* 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
* \param va A value identifying a variable arguments list
* \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character
*/
#define sprintf sprintf_
int sprintf_(char* buffer, const char* format, ...);
#define sprintf sprintf_
#define vsprintf vsprintf_
int sprintf_(char* buffer, const char* format, ...);
int vsprintf_(char* buffer, const char* format, va_list va);


/**
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