1BSTR_PRINTF(9) Basic C Library Functions BSTR_PRINTF(9)
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6 bstr_printf - Format a string from binary arguments and place it in a
7 buffer
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10 int bstr_printf(char * buf, size_t size, const char * fmt,
11 const u32 * bin_buf);
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14 buf
15 The buffer to place the result into
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17 size
18 The size of the buffer, including the trailing null space
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20 fmt
21 The format string to use
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23 bin_buf
24 Binary arguments for the format string
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27 This function like C99 vsnprintf, but the difference is that vsnprintf
28 gets arguments from stack, and bstr_printf gets arguments from bin_buf
29 which is a binary buffer that generated by vbin_printf.
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31 The format follows C99 vsnprintf, but has some extensions: see
32 vsnprintf comment for details.
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34 The return value is the number of characters which would be generated
35 for the given input, excluding the trailing ´\0´, as per ISO C99. If
36 you want to have the exact number of characters written into buf as
37 return value (not including the trailing ´\0´), use vscnprintf. If the
38 return is greater than or equal to size, the resulting string is
39 truncated.
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42Kernel Hackers Manual 2.6. June 2019 BSTR_PRINTF(9)