/*
* utility.cpp
*
- * Home page of code is: http://smartmontools.sourceforge.net
+ * Home page of code is: http://www.smartmontools.org
*
- * Copyright (C) 2002-12 Bruce Allen <smartmontools-support@lists.sourceforge.net>
- * Copyright (C) 2008-13 Christian Franke <smartmontools-support@lists.sourceforge.net>
+ * Copyright (C) 2002-12 Bruce Allen
+ * Copyright (C) 2008-17 Christian Franke
* Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
*
* This program is free software; you can redistribute it and/or modify
#include "atacmds.h"
#include "dev_interface.h"
-const char * utility_cpp_cvsid = "$Id: utility.cpp 3838 2013-07-21 16:32:27Z chrfranke $"
+const char * utility_cpp_cvsid = "$Id: utility.cpp 4583 2017-11-03 21:10:09Z chrfranke $"
UTILITY_H_CVSID INT64_H_CVSID;
const char * packet_types[] = {
std::string format_version_info(const char * prog_name, bool full /*= false*/)
{
std::string info = strprintf(
- "%s "PACKAGE_VERSION" "
+ "%s " PACKAGE_VERSION " "
#ifdef SMARTMONTOOLS_SVN_REV
- SMARTMONTOOLS_SVN_DATE" r"SMARTMONTOOLS_SVN_REV
+ SMARTMONTOOLS_SVN_DATE " r" SMARTMONTOOLS_SVN_REV
#else
- "(build date "__DATE__")" // checkout without expansion of Id keywords
+ "(build date " __DATE__ ")" // checkout without expansion of Id keywords
#endif
- " [%s] "BUILD_INFO"\n"
- "Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org\n",
+ " [%s] " BUILD_INFO "\n"
+ "Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org\n",
prog_name, smi()->get_os_version_str().c_str()
);
if (!full)
return info;
- info += strprintf(
- "\n"
- "%s comes with ABSOLUTELY NO WARRANTY. This is free\n"
+ info += "\n";
+ info += prog_name;
+ info += " 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; either\n"
"version 2, or (at your option) any later version.\n"
"See http://www.gnu.org for further details.\n"
- "\n",
- prog_name
- );
- info += strprintf(
- "smartmontools release "PACKAGE_VERSION
- " dated "SMARTMONTOOLS_RELEASE_DATE" at "SMARTMONTOOLS_RELEASE_TIME"\n"
+ "\n"
+ "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"
+ "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"
- "smartmontools build configured: "SMARTMONTOOLS_CONFIGURE_DATE "\n"
- "%s compile dated "__DATE__" at "__TIME__"\n"
- "smartmontools configure arguments: ",
- prog_name
- );
+ "smartmontools build host: " SMARTMONTOOLS_BUILD_HOST "\n"
+ "smartmontools build with: "
+#if __cplusplus > 201402
+ "C++17"
+#elif __cplusplus > 201103
+ "C++14"
+#elif __cplusplus > 199711
+ "C++11"
+#else
+ "C++98"
+#endif
+#if defined(__GNUC__) && defined(__VERSION__) // works also with CLang
+ ", GCC " __VERSION__
+#endif
+ "\n"
+ "smartmontools configure arguments:"
+ ;
info += (sizeof(SMARTMONTOOLS_CONFIGURE_ARGS) > 1 ?
- SMARTMONTOOLS_CONFIGURE_ARGS : "[no arguments given]");
+ SMARTMONTOOLS_CONFIGURE_ARGS : " [no arguments given]");
info += '\n';
return info;
}
// Runtime check of byte ordering, throws if different from isbigendian().
-void check_endianness()
+static void check_endianness()
{
union {
// Force compile error if int type is not 32bit.
const char *timezonename;
char datebuffer[DATEANDEPOCHLEN];
int lenm1;
-#ifdef _WIN32
- char tzfixbuf[6+1];
-#endif
FixGlibcTimeZoneBug();
// Remove newline
lenm1=strlen(datebuffer)-1;
datebuffer[lenm1>=0?lenm1:0]='\0';
-
+
+#if defined(_WIN32) && defined(_MSC_VER)
+ // tzname is missing in MSVC14
+ #define tzname _tzname
+#endif
+
// correct timezone name
if (tmval->tm_isdst==0)
// standard time zone
#ifdef _WIN32
// Fix long non-ascii timezone names
+ // cppcheck-suppress variableScope
+ char tzfixbuf[6+1] = "";
if (!getenv("TZ"))
timezonename=fixtzname(tzfixbuf, sizeof(tzfixbuf), timezonename);
#endif
return true;
}
-// Splits an argument to the -r option into a name part and an (optional)
-// positive integer part. s is a pointer to a string containing the
-// argument. After the call, s will point to the name part and *i the
-// integer part if there is one or 1 otherwise. Note that the string s may
-// be changed by this function. Returns zero if successful and non-zero
-// otherwise.
-int split_report_arg(char *s, int *i)
-{
- if ((s = strchr(s, ','))) {
- // Looks like there's a name part and an integer part.
- char *tailptr;
-
- *s++ = '\0';
- if (*s == '0' || !isdigit((int)*s)) // The integer part must be positive
- return 1;
- errno = 0;
- *i = (int) strtol(s, &tailptr, 10);
- if (errno || *tailptr != '\0')
- return 1;
- } else {
- // There's no integer part.
- *i = 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;
}
-#ifdef OLD_INTERFACE
-
-int64_t bytes = 0;
-
-// Helps debugging. If the second argument is non-negative, then
-// decrement bytes by that amount. Else decrement bytes by (one plus)
-// length of null terminated string.
-void *FreeNonZero1(void *address, int size, int line, const char* file){
- if (address) {
- if (size<0)
- bytes-=1+strlen((char*)address);
- else
- bytes-=size;
- return CheckFree1(address, line, file);
- }
- return NULL;
-}
-
-// To help with memory checking. Use when it is known that address is
-// NOT null.
-void *CheckFree1(void *address, int /*whatline*/, const char* /*file*/){
- if (address){
- free(address);
- return NULL;
- }
- throw std::runtime_error("Internal error in CheckFree()");
-}
-
-// A custom version of calloc() that tracks memory use
-void *Calloc(size_t nmemb, size_t size) {
- void *ptr=calloc(nmemb, size);
-
- if (ptr)
- bytes+=nmemb*size;
-
- return ptr;
-}
-
-// 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 *tmp;
-
- // report error if ptr is NULL and mustexist is set
- if (ptr==NULL){
- if (mustexist)
- throw std::runtime_error("Internal error in CustomStrDup()");
- else
- return NULL;
- }
-
- // make a copy of the string...
- tmp=strdup(ptr);
-
- if (!tmp)
- throw std::bad_alloc();
-
- // and track memory usage
- bytes+=1+strlen(ptr);
-
- return tmp;
-}
-
-#endif // OLD_INTERFACE
-
-
// Returns true if region of memory contains non-zero entries
bool nonempty(const void * data, int size)
{
return false;
}
+// Copy not null terminated char array to null terminated string.
+// Replace non-ascii characters. Remove leading and trailing blanks.
+const char * format_char_array(char * str, int strsize, const char * chr, int chrsize)
+{
+ int b = 0;
+ while (b < chrsize && chr[b] == ' ')
+ b++;
+ int n = 0;
+ while (b+n < chrsize && chr[b+n])
+ n++;
+ while (n > 0 && chr[b+n-1] == ' ')
+ n--;
+
+ if (n >= strsize)
+ n = strsize-1;
+
+ for (int i = 0; i < n; i++) {
+ char c = chr[b+i];
+ str[i] = (' ' <= c && c <= '~' ? c : '?');
+ }
+
+ str[n] = 0;
+ return str;
+}
+
// Format integer with thousands separator
const char * format_with_thousands_sep(char * str, int strsize, uint64_t val,
const char * thousands_sep /* = 0 */)
}
char num[64];
- snprintf(num, sizeof(num), "%"PRIu64, val);
+ snprintf(num, sizeof(num), "%" PRIu64, val);
int numlen = strlen(num);
int i = 0, j = 0;
if (i == 0)
snprintf(str, strsize, "%u B", (unsigned)n);
else if (n >= 100) // "123 xB"
- snprintf(str, strsize, "%"PRIu64" %cB", n, prefixes[i]);
+ 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,
+ 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,
+ 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
-
+__attribute_format_printf(1, 0)
std::string vstrprintf(const char * fmt, va_list ap)
{
char buf[512];
#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;
}
-#endif
+static void check_snprintf() {}
+
+#elif defined(__GNUC__) && (__GNUC__ >= 7)
+
+// G++ 7+: Assume sane implementation and avoid -Wformat-truncation warning
+static void check_snprintf() {}
+#else
+
+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");
+}
+
+#endif // HAVE_WORKING_SNPRINTF
+
+// Runtime check of ./configure result, throws on error.
+void check_config()
+{
+ check_endianness();
+ check_snprintf();
+}