/* $NetBSD: misc.c,v 1.23 2011/11/07 22:24:23 jym Exp $ */ /*- * Copyright (c) 1991, 1993, 1994 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Keith Muller of the University of California, San Diego and Lance * Visser of Convex Computer Corporation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #ifndef lint #if 0 static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; #else __RCSID("$NetBSD: misc.c,v 1.23 2011/11/07 22:24:23 jym Exp $"); #endif #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include "dd.h" #include "extern.h" #define tv2mS(tv) ((tv).tv_sec * 1000LL + ((tv).tv_usec + 500) / 1000) static void posix_summary(void); #ifndef NO_MSGFMT static void custom_summary(void); static void human_summary(void); static void quiet_summary(void); static void buffer_write(const char *, size_t, int); #endif /* NO_MSGFMT */ void summary(void) { if (progress) (void)write(STDERR_FILENO, "\n", 1); #ifdef NO_MSGFMT return posix_summary(); #else /* NO_MSGFMT */ if (strncmp(msgfmt, "human", sizeof("human")) == 0) return human_summary(); if (strncmp(msgfmt, "posix", sizeof("posix")) == 0) return posix_summary(); if (strncmp(msgfmt, "quiet", sizeof("quiet")) == 0) return quiet_summary(); return custom_summary(); #endif /* NO_MSGFMT */ } static void posix_summary(void) { char buf[100]; int64_t mS; struct timeval tv; if (progress) (void)write(STDERR_FILENO, "\n", 1); (void)gettimeofday(&tv, NULL); mS = tv2mS(tv) - tv2mS(st.start); if (mS == 0) mS = 1; /* Use snprintf(3) so that we don't reenter stdio(3). */ (void)snprintf(buf, sizeof(buf), "%llu+%llu records in\n%llu+%llu records out\n", (unsigned long long)st.in_full, (unsigned long long)st.in_part, (unsigned long long)st.out_full, (unsigned long long)st.out_part); (void)write(STDERR_FILENO, buf, strlen(buf)); if (st.swab) { (void)snprintf(buf, sizeof(buf), "%llu odd length swab %s\n", (unsigned long long)st.swab, (st.swab == 1) ? "block" : "blocks"); (void)write(STDERR_FILENO, buf, strlen(buf)); } if (st.trunc) { (void)snprintf(buf, sizeof(buf), "%llu truncated %s\n", (unsigned long long)st.trunc, (st.trunc == 1) ? "block" : "blocks"); (void)write(STDERR_FILENO, buf, strlen(buf)); } if (st.sparse) { (void)snprintf(buf, sizeof(buf), "%llu sparse output %s\n", (unsigned long long)st.sparse, (st.sparse == 1) ? "block" : "blocks"); (void)write(STDERR_FILENO, buf, strlen(buf)); } (void)snprintf(buf, sizeof(buf), "%llu bytes transferred in %lu.%03d secs (%llu bytes/sec)\n", (unsigned long long) st.bytes, (long) (mS / 1000), (int) (mS % 1000), (unsigned long long) (st.bytes * 1000LL / mS)); (void)write(STDERR_FILENO, buf, strlen(buf)); } /* ARGSUSED */ void summaryx(int notused) { summary(); } /* ARGSUSED */ void terminate(int signo) { summary(); (void)raise_default_signal(signo); _exit(127); } #ifndef NO_MSGFMT /* * Buffer write(2) calls */ static void buffer_write(const char *str, size_t size, int flush) { static char wbuf[128]; static size_t cnt = 0; /* Internal counter to allow wbuf to wrap */ unsigned int i; for (i = 0; i < size; i++) { if (str != NULL) { wbuf[cnt++] = str[i]; } if (cnt >= sizeof(wbuf)) { (void)write(STDERR_FILENO, wbuf, cnt); cnt = 0; } } if (flush != 0) { (void)write(STDERR_FILENO, wbuf, cnt); cnt = 0; } } /* * Write summary to stderr according to format 'fmt'. If 'enable' is 0, it * will not attempt to write anything. Can be used to validate the * correctness of the 'fmt' string. */ int dd_write_msg(const char *fmt, int enable) { char hbuf[7], nbuf[32]; const char *ptr; int64_t mS; struct timeval tv; (void)gettimeofday(&tv, NULL); mS = tv2mS(tv) - tv2mS(st.start); if (mS == 0) mS = 1; #define ADDC(c) do { if (enable != 0) buffer_write(&c, 1, 0); } \ while (/*CONSTCOND*/0) #define ADDS(p) do { if (enable != 0) buffer_write(p, strlen(p), 0); } \ while (/*CONSTCOND*/0) for (ptr = fmt; *ptr; ptr++) { if (*ptr != '%') { ADDC(*ptr); continue; } switch (*++ptr) { case 'b': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long)st.bytes); ADDS(nbuf); break; case 'B': if (humanize_number(hbuf, sizeof(hbuf), st.bytes, "B", HN_AUTOSCALE, HN_DECIMAL) == -1) warnx("humanize_number (bytes transferred)"); ADDS(hbuf); break; case 'e': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long) (st.bytes * 1000LL / mS)); ADDS(nbuf); break; case 'E': if (humanize_number(hbuf, sizeof(hbuf), st.bytes * 1000LL / mS, "B", HN_AUTOSCALE, HN_DECIMAL) == -1) warnx("humanize_number (bytes per second)"); ADDS(hbuf); ADDS("/sec"); break; case 'i': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long)st.in_part); ADDS(nbuf); break; case 'I': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long)st.in_full); ADDS(nbuf); break; case 'o': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long)st.out_part); ADDS(nbuf); break; case 'O': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long)st.out_full); ADDS(nbuf); break; case 's': (void)snprintf(nbuf, sizeof(nbuf), "%li.%03d", (long) (mS / 1000), (int) (mS % 1000)); ADDS(nbuf); break; case 'p': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long)st.sparse); ADDS(nbuf); break; case 't': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long)st.trunc); ADDS(nbuf); break; case 'w': (void)snprintf(nbuf, sizeof(nbuf), "%llu", (unsigned long long)st.swab); ADDS(nbuf); break; case 'P': ADDS("block"); if (st.sparse != 1) ADDS("s"); break; case 'T': ADDS("block"); if (st.trunc != 1) ADDS("s"); break; case 'W': ADDS("block"); if (st.swab != 1) ADDS("s"); break; case '%': ADDC(*ptr); break; default: if (*ptr == '\0') goto done; errx(EXIT_FAILURE, "unknown specifier '%c' in " "msgfmt string", *ptr); /* NOTREACHED */ } } done: /* flush buffer */ buffer_write(NULL, 0, 1); return 0; } static void custom_summary(void) { dd_write_msg(msgfmt, 1); } static void human_summary(void) { (void)dd_write_msg("%I+%i records in\n%O+%o records out\n", 1); if (st.swab) { (void)dd_write_msg("%w odd length swab %W\n", 1); } if (st.trunc) { (void)dd_write_msg("%t truncated %T\n", 1); } if (st.sparse) { (void)dd_write_msg("%p sparse output %P\n", 1); } (void)dd_write_msg("%b bytes (%B) transferred in %s secs " "(%e bytes/sec - %E)\n", 1); } static void quiet_summary(void) { /* stay quiet */ } #endif /* NO_MSGFMT */