40  * memory allocation failure we usually don't want to bail out and unwind - we
104 __printf(2, 3) void bch2_prt_printf(struct printbuf *out, const char *fmt, ...);
105 __printf(2, 0) void bch2_prt_vprintf(struct printbuf *out, const char *fmt, va_list);
143 static inline unsigned printbuf_remaining_size(struct printbuf *out)  in printbuf_remaining_size()  argument
145 	return out->pos < out->size ? out->size - out->pos : 0;  in printbuf_remaining_size()
152 static inline unsigned printbuf_remaining(struct printbuf *out)  in printbuf_remaining()  argument
154 	return out->pos < out->size ? out->size - out->pos - 1 : 0;  in printbuf_remaining()
157 static inline unsigned printbuf_written(struct printbuf *out)  in printbuf_written()  argument
159 	return out->size ? min(out->pos, out->size - 1) : 0;  in printbuf_written()
165 static inline bool printbuf_overflowed(struct printbuf *out)  in printbuf_overflowed()  argument
167 	return out->pos >= out->size;  in printbuf_overflowed()
170 static inline void printbuf_nul_terminate(struct printbuf *out)  in printbuf_nul_terminate()  argument
172 	bch2_printbuf_make_room(out, 1);  in printbuf_nul_terminate()
174 	if (out->pos < out->size)  in printbuf_nul_terminate()
175 		out->buf[out->pos] = 0;  in printbuf_nul_terminate()
176 	else if (out->size)  in printbuf_nul_terminate()
177 		out->buf[out->size - 1] = 0;  in printbuf_nul_terminate()
181 static inline void __prt_char_reserved(struct printbuf *out, char c)  in __prt_char_reserved()  argument
183 	if (printbuf_remaining(out))  in __prt_char_reserved()
184 		out->buf[out->pos] = c;  in __prt_char_reserved()
185 	out->pos++;  in __prt_char_reserved()
189 static inline void __prt_char(struct printbuf *out, char c)  in __prt_char()  argument
191 	bch2_printbuf_make_room(out, 1);  in __prt_char()
192 	__prt_char_reserved(out, c);  in __prt_char()
195 static inline void prt_char(struct printbuf *out, char c)  in prt_char()  argument
197 	__prt_char(out, c);  in prt_char()
198 	printbuf_nul_terminate(out);  in prt_char()
201 static inline void __prt_chars_reserved(struct printbuf *out, char c, unsigned n)  in __prt_chars_reserved()  argument
203 	unsigned i, can_print = min(n, printbuf_remaining(out));  in __prt_chars_reserved()
206 		out->buf[out->pos++] = c;  in __prt_chars_reserved()
207 	out->pos += n - can_print;  in __prt_chars_reserved()
210 static inline void prt_chars(struct printbuf *out, char c, unsigned n)  in prt_chars()  argument
212 	bch2_printbuf_make_room(out, n);  in prt_chars()
213 	__prt_chars_reserved(out, c, n);  in prt_chars()
214 	printbuf_nul_terminate(out);  in prt_chars()
217 static inline void prt_bytes(struct printbuf *out, const void *b, unsigned n)  in prt_bytes()  argument
221 	bch2_printbuf_make_room(out, n);  in prt_bytes()
223 	can_print = min(n, printbuf_remaining(out));  in prt_bytes()
226 		out->buf[out->pos++] = ((char *) b)[i];  in prt_bytes()
227 	out->pos += n - can_print;  in prt_bytes()
229 	printbuf_nul_terminate(out);  in prt_bytes()
232 static inline void prt_str(struct printbuf *out, const char *str)  in prt_str()  argument
234 	prt_bytes(out, str, strlen(str));  in prt_str()
237 static inline void prt_str_indented(struct printbuf *out, const char *str)  in prt_str_indented()  argument
239 	bch2_prt_bytes_indented(out, str, strlen(str));  in prt_str_indented()
242 static inline void prt_hex_byte(struct printbuf *out, u8 byte)  in prt_hex_byte()  argument
244 	bch2_printbuf_make_room(out, 2);  in prt_hex_byte()
245 	__prt_char_reserved(out, hex_asc_hi(byte));  in prt_hex_byte()
246 	__prt_char_reserved(out, hex_asc_lo(byte));  in prt_hex_byte()
247 	printbuf_nul_terminate(out);  in prt_hex_byte()
250 static inline void prt_hex_byte_upper(struct printbuf *out, u8 byte)  in prt_hex_byte_upper()  argument
252 	bch2_printbuf_make_room(out, 2);  in prt_hex_byte_upper()
253 	__prt_char_reserved(out, hex_asc_upper_hi(byte));  in prt_hex_byte_upper()
254 	__prt_char_reserved(out, hex_asc_upper_lo(byte));  in prt_hex_byte_upper()
255 	printbuf_nul_terminate(out);  in prt_hex_byte_upper()