1 /* 2 * This file is part of ltrace. 3 * Copyright (C) 2011, 2012, 2013 Petr Machata, Red Hat Inc. 4 * Copyright (C) 2009 Juan Cespedes 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of the 9 * License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 19 * 02110-1301 USA 20 */ 21 #ifndef _OUTPUT_H_ 22 #define _OUTPUT_H_ 23 24 #include "fetch.h" 25 #include "forward.h" 26 27 void output_line(struct process *proc, const char *fmt, ...); 28 void output_left(enum tof type, struct process *proc, 29 struct library_symbol *libsym); 30 void output_right(enum tof type, struct process *proc, 31 struct library_symbol *libsym, 32 struct timedelta *spent); 33 34 /* This function is for emitting lists of comma-separated strings. 35 * 36 * STREAM is where the output should be eventually sent. 37 * 38 * WRITER is the function to do the output. It returns number of 39 * characters written, or a negative value if there were errors (like 40 * what fprintf does). If WRITER returns 0, it means nothing was 41 * written, and separator shouldn't therefore be emitted either. 42 * 43 * NEED_DELIMP serves for keeping state between calls. It should 44 * point to a variable that is initialized to 0. DATA is passed 45 * verbatim to the WRITER. 46 * 47 * Returns number of characters written to STREAM (including any 48 * separators), or a negative value if there were errors. */ 49 int delim_output(FILE *stream, int *need_delimp, 50 int (*writer)(FILE *stream, void *data), void *data); 51 52 /* If C is positive, add it to *COUNTP. Returns C. */ 53 int account_output(int *countp, int c); 54 55 void report_error(char const *file, unsigned line_no, const char *fmt, ...); 56 void report_warning(char const *file, unsigned line_no, const char *fmt, ...); 57 void report_global_error(const char *fmt, ...); 58 59 #endif /* _OUTPUT_H_ */ 60