*
* Home page of code is: http://smartmontools.sourceforge.net
*
- * Copyright (C) 2002-9 Bruce Allen <smartmontools-support@lists.sourceforge.net>
- * Copyright (C) 2008-9 Christian Franke <smartmontools-support@lists.sourceforge.net>
+ * Copyright (C) 2002-12 Bruce Allen <smartmontools-support@lists.sourceforge.net>
+ * Copyright (C) 2008-14 Christian Franke <smartmontools-support@lists.sourceforge.net>
* Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
*
* This program is free software; you can redistribute it and/or modify
* any later version.
*
* You should have received a copy of the GNU General Public License
- * (for example COPYING); if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * (for example COPYING); If not, see <http://www.gnu.org/licenses/>.
*
* This code was originally developed as a Senior Thesis by Michael Cornwell
* at the Concurrent Systems Laboratory (now part of the Storage Systems
// BOTH SCSI AND ATA DEVICES, AND THAT MAY BE USED IN SMARTD,
// SMARTCTL, OR BOTH.
+#include "config.h"
+
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <stdlib.h>
#include <ctype.h>
-#include <syslog.h>
#include <stdarg.h>
#include <sys/stat.h>
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
#ifdef _WIN32
#include <mbstring.h> // _mbsinc()
#endif
#include <stdexcept>
-#include "config.h"
#include "svnversion.h"
#include "int64.h"
#include "utility.h"
#include "atacmds.h"
#include "dev_interface.h"
-const char * utility_cpp_cvsid = "$Id: utility.cpp 2848 2009-07-18 20:14:38Z chrfranke $"
+const char * utility_cpp_cvsid = "$Id: utility.cpp 3937 2014-07-05 17:51:21Z chrfranke $"
UTILITY_H_CVSID INT64_H_CVSID;
const char * packet_types[] = {
"Optical card reader/writer"
};
-// Whenever exit() status is EXIT_BADCODE, please print this message
-const char *reportbug="Please report this bug to the Smartmontools developers at " PACKAGE_BUGREPORT ".\n";
-
-
-// command-line argument: are we running in debug mode?.
-unsigned char debugmode = 0;
-
// BUILD_INFO can be provided by package maintainers
#ifndef BUILD_INFO
#define BUILD_INFO "(local build)"
std::string format_version_info(const char * prog_name, bool full /*= false*/)
{
std::string info = strprintf(
- "%s "PACKAGE_VERSION" "SMARTMONTOOLS_SVN_DATE" r"SMARTMONTOOLS_SVN_REV
- " [%s] "BUILD_INFO"\n"
- "Copyright (C) 2002-9 by Bruce Allen, http://smartmontools.sourceforge.net\n",
- prog_name, smi()->get_os_version_str()
+ "%s " PACKAGE_VERSION " "
+#ifdef SMARTMONTOOLS_SVN_REV
+ SMARTMONTOOLS_SVN_DATE " r" SMARTMONTOOLS_SVN_REV
+#else
+ "(build date " __DATE__ ")" // checkout without expansion of Id keywords
+#endif
+ " [%s] " BUILD_INFO "\n"
+ "Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org\n",
+ prog_name, smi()->get_os_version_str().c_str()
);
if (!full)
return info;
"\n"
"%s comes with ABSOLUTELY NO WARRANTY. This is free\n"
"software, and you are welcome to redistribute it under\n"
- "the terms of the GNU General Public License Version 2.\n"
+ "the terms of the GNU General Public License; either\n"
+ "version 2, or (at your option) any later version.\n"
"See http://www.gnu.org for further details.\n"
- "\n"
- "smartmontools release "PACKAGE_VERSION
- " dated "SMARTMONTOOLS_RELEASE_DATE" at "SMARTMONTOOLS_RELEASE_TIME"\n"
- "smartmontools SVN rev "SMARTMONTOOLS_SVN_REV
- " dated "SMARTMONTOOLS_SVN_DATE" at "SMARTMONTOOLS_SVN_TIME"\n"
- "smartmontools build host: "SMARTMONTOOLS_BUILD_HOST"\n"
- "smartmontools build configured: "SMARTMONTOOLS_CONFIGURE_DATE "\n"
- "%s compile dated "__DATE__" at "__TIME__"\n",
- prog_name, prog_name
- );
- info += strprintf(
- "smartmontools configure arguments: %s\n",
- (sizeof(SMARTMONTOOLS_CONFIGURE_ARGS) > 1 ?
- SMARTMONTOOLS_CONFIGURE_ARGS : "[no arguments given]")
+ "\n",
+ prog_name
);
+ info +=
+ "smartmontools release " PACKAGE_VERSION
+ " dated " SMARTMONTOOLS_RELEASE_DATE " at " SMARTMONTOOLS_RELEASE_TIME "\n"
+#ifdef SMARTMONTOOLS_SVN_REV
+ "smartmontools SVN rev " SMARTMONTOOLS_SVN_REV
+ " dated " SMARTMONTOOLS_SVN_DATE " at " SMARTMONTOOLS_SVN_TIME "\n"
+#else
+ "smartmontools SVN rev is unknown\n"
+#endif
+ "smartmontools build host: " SMARTMONTOOLS_BUILD_HOST "\n"
+#if defined(__GNUC__) && defined(__VERSION__) // works also with CLang
+ "smartmontools build with: GCC " __VERSION__ "\n"
+#endif
+ "smartmontools configure arguments: "
+ ;
+ info += (sizeof(SMARTMONTOOLS_CONFIGURE_ARGS) > 1 ?
+ SMARTMONTOOLS_CONFIGURE_ARGS : "[no arguments given]");
+ info += '\n';
return info;
}
return "Unknown";
}
+// Runtime check of byte ordering, throws if different from isbigendian().
+static void check_endianness()
+{
+ union {
+ // Force compile error if int type is not 32bit.
+ unsigned char c[sizeof(unsigned) == 4 ? 4 : -1];
+ unsigned i;
+ } x = {{1,2,3,4}};
+
+ int big = -1;
+ switch (x.i) {
+ case 0x01020304: big = 1; break;
+ case 0x04030201: big = 0; break;
+ }
-// Returns 1 if machine is big endian, else zero. This is a run-time
-// rather than a compile-time function. We could do it at
-// compile-time but in principle there are architectures that can run
-// with either byte-ordering.
-int isbigendian(){
- short i=0x0100;
- char *tmp=(char *)&i;
- return *tmp;
+ if (big != (isbigendian() ? 1 : 0))
+ throw std::logic_error("CPU endianness does not match compile time test");
}
// Utility function prints date and time and timezone into a character
return;
}
+// Check regular expression for non-portable features.
+//
// POSIX extended regular expressions interpret unmatched ')' ordinary:
// "The close-parenthesis shall be considered special in this context
// only if matched with a preceding open-parenthesis."
//
-// Actual '(...)' nesting errors remain undetected on strict POSIX
-// implementations (glibc) but an error is reported on others (Cygwin).
-//
-// The check below is rather incomplete because it does not handle
-// e.g. '\)' '[)]'.
-// But it should work for the regex subset used in drive database
-// and smartd '-s' directives.
-static int check_regex_nesting(const char * pattern)
+// GNU libc and BSD libc support unmatched ')', Cygwin reports an error.
+//
+// POSIX extended regular expressions do not define empty subexpressions:
+// "A vertical-line appearing first or last in an ERE, or immediately following
+// a vertical-line or a left-parenthesis, or immediately preceding a
+// right-parenthesis, produces undefined results."
+//
+// GNU libc and Cygwin support empty subexpressions, BSD libc reports an error.
+//
+static const char * check_regex(const char * pattern)
{
- int level = 0, i;
- for (i = 0; pattern[i] && level >= 0; i++) {
- switch (pattern[i]) {
- case '(': level++; break;
- case ')': level--; break;
+ int level = 0;
+ char c;
+
+ for (int i = 0; (c = pattern[i]); i++) {
+ // Skip "\x"
+ if (c == '\\') {
+ if (!pattern[++i])
+ break;
+ continue;
+ }
+
+ // Skip "[...]"
+ if (c == '[') {
+ if (pattern[++i] == '^')
+ i++;
+ if (!pattern[i++])
+ break;
+ while ((c = pattern[i]) && c != ']')
+ i++;
+ if (!c)
+ break;
+ continue;
}
+
+ // Check "(...)" nesting
+ if (c == '(')
+ level++;
+ else if (c == ')' && --level < 0)
+ return "Unmatched ')'";
+
+ // Check for leading/trailing '|' or "||", "|)", "|$", "(|", "^|"
+ char c1;
+ if ( (c == '|' && ( i == 0 || !(c1 = pattern[i+1])
+ || c1 == '|' || c1 == ')' || c1 == '$'))
+ || ((c == '(' || c == '^') && pattern[i+1] == '|') )
+ return "Empty '|' subexpression";
}
- return level;
+
+ return (const char *)0;
}
// Wrapper class for regex(3)
memset(&m_regex_buf, 0, sizeof(m_regex_buf));
}
-regular_expression::regular_expression(const char * pattern, int flags)
+regular_expression::regular_expression(const char * pattern, int flags,
+ bool throw_on_error /*= true*/)
{
memset(&m_regex_buf, 0, sizeof(m_regex_buf));
- compile(pattern, flags);
+ if (!compile(pattern, flags) && throw_on_error)
+ throw std::runtime_error(strprintf(
+ "error in regular expression \"%s\": %s",
+ m_pattern.c_str(), m_errmsg.c_str()));
}
regular_expression::~regular_expression()
return false;
}
- if (check_regex_nesting(m_pattern.c_str()) < 0) {
- m_errmsg = "Unmatched ')'";
+ const char * errmsg = check_regex(m_pattern.c_str());
+ if (errmsg) {
+ m_errmsg = errmsg;
free_buf();
return false;
}
return 0;
}
-// same as above but sets *i to -1 if missing , argument
-int split_report_arg2(char *s, int *i){
- char *tailptr;
- s+=6;
-
- if (*s=='\0' || !isdigit((int)*s)) {
- // What's left must be integer
- *i=-1;
- return 1;
- }
-
- errno = 0;
- *i = (int) strtol(s, &tailptr, 10);
- if (errno || *tailptr != '\0') {
- *i=-1;
- return 1;
- }
-
- return 0;
-}
-
#ifndef HAVE_STRTOULL
// Replacement for missing strtoull() (Linux with libc < 6, MSVC)
// Functionality reduced to requirements of smartd and split_selective_arg().
return 0;
}
}
+
+ errno = 0;
*stop = strtoull(s+1, &tailptr, 0);
if (errno || *tailptr != '\0')
return 1;
#ifdef OLD_INTERFACE
-// smartd exit codes
-#define EXIT_NOMEM 8 // out of memory
-#define EXIT_BADCODE 10 // internal error - should NEVER happen
-
int64_t bytes = 0;
// Helps debugging. If the second argument is non-negative, then
// To help with memory checking. Use when it is known that address is
// NOT null.
-void *CheckFree1(void *address, int whatline, const char* file){
+void *CheckFree1(void *address, int /*whatline*/, const char* /*file*/){
if (address){
free(address);
return NULL;
}
-
- PrintOut(LOG_CRIT, "Internal error in CheckFree() at line %d of file %s\n%s",
- whatline, file, reportbug);
- EXIT(EXIT_BADCODE);
+ throw std::runtime_error("Internal error in CheckFree()");
}
// A custom version of calloc() that tracks memory use
// A custom version of strdup() that keeps track of how much memory is
// being allocated. If mustexist is set, it also throws an error if we
// try to duplicate a NULL string.
-char *CustomStrDup(const char *ptr, int mustexist, int whatline, const char* file){
+char *CustomStrDup(const char *ptr, int mustexist, int /*whatline*/, const char* /*file*/){
char *tmp;
// report error if ptr is NULL and mustexist is set
if (ptr==NULL){
- if (mustexist) {
- PrintOut(LOG_CRIT, "Internal error in CustomStrDup() at line %d of file %s\n%s",
- whatline, file, reportbug);
- EXIT(EXIT_BADCODE);
- }
+ if (mustexist)
+ throw std::runtime_error("Internal error in CustomStrDup()");
else
return NULL;
}
// make a copy of the string...
tmp=strdup(ptr);
- if (!tmp) {
- PrintOut(LOG_CRIT, "No memory to duplicate string %s at line %d of file %s\n", ptr, whatline, file);
- EXIT(EXIT_NOMEM);
- }
+ if (!tmp)
+ throw std::bad_alloc();
// and track memory usage
bytes+=1+strlen(ptr);
return false;
}
+// Format integer with thousands separator
+const char * format_with_thousands_sep(char * str, int strsize, uint64_t val,
+ const char * thousands_sep /* = 0 */)
+{
+ if (!thousands_sep) {
+ thousands_sep = ",";
+#ifdef HAVE_LOCALE_H
+ setlocale(LC_ALL, "");
+ const struct lconv * currentlocale = localeconv();
+ if (*(currentlocale->thousands_sep))
+ thousands_sep = currentlocale->thousands_sep;
+#endif
+ }
-// This routine converts an integer number of milliseconds into a test
-// string of the form Xd+Yh+Zm+Ts.msec. The resulting text string is
-// written to the array.
-void MsecToText(unsigned int msec, char *txt){
- int start=0;
- unsigned int days, hours, min, sec;
+ char num[64];
+ snprintf(num, sizeof(num), "%" PRIu64, val);
+ int numlen = strlen(num);
- days = msec/86400000U;
- msec -= days*86400000U;
+ int i = 0, j = 0;
+ do
+ str[j++] = num[i++];
+ while (i < numlen && (numlen - i) % 3 != 0 && j < strsize-1);
+ str[j] = 0;
+
+ while (i < numlen && j < strsize-1) {
+ j += snprintf(str+j, strsize-j, "%s%.3s", thousands_sep, num+i);
+ i += 3;
+ }
- hours = msec/3600000U;
- msec -= hours*3600000U;
+ return str;
+}
- min = msec/60000U;
- msec -= min*60000U;
+// Format capacity with SI prefixes
+const char * format_capacity(char * str, int strsize, uint64_t val,
+ const char * decimal_point /* = 0 */)
+{
+ if (!decimal_point) {
+ decimal_point = ".";
+#ifdef HAVE_LOCALE_H
+ setlocale(LC_ALL, "");
+ const struct lconv * currentlocale = localeconv();
+ if (*(currentlocale->decimal_point))
+ decimal_point = currentlocale->decimal_point;
+#endif
+ }
- sec = msec/1000U;
- msec -= sec*1000U;
+ const unsigned factor = 1000; // 1024 for KiB,MiB,...
+ static const char prefixes[] = " KMGTP";
- if (days) {
- txt += sprintf(txt, "%2dd+", (int)days);
- start=1;
+ // Find d with val in [d, d*factor)
+ unsigned i = 0;
+ uint64_t d = 1;
+ for (uint64_t d2 = d * factor; val >= d2; d2 *= factor) {
+ d = d2;
+ if (++i >= sizeof(prefixes)-2)
+ break;
}
- sprintf(txt, "%02d:%02d:%02d.%03d", (int)hours, (int)min, (int)sec, (int)msec);
- return;
+ // Print 3 digits
+ uint64_t n = val / d;
+ if (i == 0)
+ snprintf(str, strsize, "%u B", (unsigned)n);
+ else if (n >= 100) // "123 xB"
+ snprintf(str, strsize, "%" PRIu64 " %cB", n, prefixes[i]);
+ else if (n >= 10) // "12.3 xB"
+ snprintf(str, strsize, "%" PRIu64 "%s%u %cB", n, decimal_point,
+ (unsigned)(((val % d) * 10) / d), prefixes[i]);
+ else // "1.23 xB"
+ snprintf(str, strsize, "%" PRIu64 "%s%02u %cB", n, decimal_point,
+ (unsigned)(((val % d) * 100) / d), prefixes[i]);
+
+ return str;
}
// return (v)sprintf() formatted std::string
#ifndef HAVE_WORKING_SNPRINTF
-// Some versions of (v)snprintf() don't append null char on overflow (MSVCRT.DLL),
-// and/or return -1 on overflow (old Linux).
+// Some versions of (v)snprintf() don't append null char (MSVCRT.DLL),
+// and/or return -1 on output truncation (glibc <= 2.0.6).
// Below are sane replacements substituted by #define in utility.h.
#undef vsnprintf
return i;
}
+#else // HAVE_WORKING_SNPRINTF
+
+static void check_snprintf()
+{
+ char buf[] = "ABCDEFGHI";
+ int n1 = snprintf(buf, 8, "123456789");
+ int n2 = snprintf(buf, 0, "X");
+ if (!(!strcmp(buf, "1234567") && n1 == 9 && n2 == 1))
+ throw std::logic_error("Function snprintf() does not conform to C99,\n"
+ "please contact " PACKAGE_BUGREPORT);
+}
+
+#endif // HAVE_WORKING_SNPRINTF
+
+// Runtime check of ./configure result, throws on error.
+void check_config()
+{
+ check_endianness();
+#ifdef HAVE_WORKING_SNPRINTF
+ check_snprintf();
#endif
+}
projects / mirror_smartmontools-debian.git / blobdiff