FreeCalypso > hg > freecalypso-reveng
view fluid-mnf/trace.c @ 378:82fb5a70c9fd
compal/audio: results of simple experiments
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 09 Oct 2021 23:20:00 +0000 |
parents | 9cecc930d78f |
children |
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/****************************************************************************** * Generic tracing library * * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com * * $Id: trace.c 1.5 Fri, 11 Oct 2002 08:40:21 +0200 mmj $ * ******************************************************************************/ #include "trace.h" #include <stdio.h> #include <string.h> #include <stdarg.h> #define TRACE_MODS 2 /****************************************************************************** * *****************************************************************************/ static struct trace_s { int spaces; // number of spaces to indent per level int level; // current indentation level (private) int enable; // global trace enable/disable flag FILE *fp; // file descriptor of file to write traces to int mask[TRACE_MODS]; // bitmask for each module } trace; int tr_init(int spaces, char *filename) { trace.spaces = spaces; trace.level = 0; trace.enable = 1; trace.fp = stdout; memset(trace.mask, 0, sizeof(trace.mask)); if (filename != NULL && (trace.fp = fopen(filename, "w")) == NULL) { return -1; } return 0; } int tr_mask(int mask) { int module, old; module = ((mask & TrModMask) >> 24) - 1; if (module < 0 || module >= TRACE_MODS) return -1; old = trace.mask[module]; trace.mask[module] = mask & TrBitMask; return old; } void tr_enable(int onoff) { trace.enable = onoff; } // return current indentation if this trace type is enabled, otherwise // return zero. int tr_query(int mask) { int module; module = (mask & TrModMask) >> 24; if (module < 0 || module >= TRACE_MODS) return 0; return (trace.mask[module] & (mask & TrBitMask) ? trace.level * trace.spaces : 0); } extern void hexdump(const char *p, int size, unsigned int address, int unitsize); void tr_hexdump(int mask, const void *p, int size) { unsigned int module; module = mask & TrModMask; mask = mask & TrBitMask; if ((mask & trace.mask[module >> 24]) == 0) return; hexdump(p, size, 0, 1); } void tr(int mask, char *format, ...) { va_list args; unsigned int type, module; int indent; static char buf[256]; const char spaces[160 + 1] = " " " " " " " "; if (!trace.enable) return; type = mask & TrTypeMask; module = mask & TrModMask; mask = mask & TrBitMask; if ((mask & trace.mask[(module >> 24) - 1]) == 0) return; if (type == TrEnd) trace.level--; indent = (type == TrCont ? 0 : trace.level); if (indent < 0 || indent > 40) { indent = trace.level = 0; fprintf(stderr, "WARNING: trace indent out of range!\n"); } if (strlen(format) > 0) { va_start(args, format); vsprintf(buf, format, args); indent *= trace.spaces; fprintf(trace.fp, "%s%s", &spaces[sizeof(spaces) - 1 - indent], buf); fflush(trace.fp); } if (type == TrBegin) trace.level++; }