From 007889b4128e8656c55ba31404a698e98719c262 Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@mobatime.cz>
Date: 周六, 14 7月 2018 01:57:31 +0800
Subject: [PATCH] Fix license wordings to correspond with BSD-2-Clause

---
 libscpi/src/utils.c |  200 +++++++++++++++++++++++++++----------------------
 1 files changed, 109 insertions(+), 91 deletions(-)

diff --git a/libscpi/src/utils.c b/libscpi/src/utils.c
index cb34cc7..328f8be 100644
--- a/libscpi/src/utils.c
+++ b/libscpi/src/utils.c
@@ -1,30 +1,29 @@
 /*-
- * Copyright (c) 2013 Jan Breuer
- *                    Richard.hmm
- * Copyright (c) 2012 Jan Breuer
+ * BSD 2-Clause License
  *
- * All Rights Reserved
+ * Copyright (c) 2012-2018, Jan Breuer, Richard.hmm
+ * All rights reserved.
  *
  * 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.
+ * modification, are permitted provided that the following conditions are met:
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
  */
 
 /**
@@ -108,13 +107,13 @@
                 break;
         }
 
-        // add sign for numbers in base 10
+        /* add sign for numbers in base 10 */
         if (sign && ((int32_t) val < 0) && (base == 10)) {
             uval = -val;
             ADD_CHAR('-');
         }
 
-        // remove leading zeros
+        /* remove leading zeros */
         while ((uval / x) == 0) {
             x /= base;
         }
@@ -194,13 +193,13 @@
                 break;
         }
 
-        // add sign for numbers in base 10
+        /* add sign for numbers in base 10 */
         if (sign && ((int64_t) val < 0) && (base == 10)) {
             uval = -val;
             ADD_CHAR('-');
         }
 
-        // remove leading zeros
+        /* remove leading zeros */
         while ((uval / x) == 0) {
             x /= base;
         }
@@ -249,7 +248,8 @@
  * @return number of bytes written to str (without '\0')
  */
 size_t SCPI_FloatToStr(float val, char * str, size_t len) {
-    return SCPIDEFINE_floatToStr(val, str, len);
+    SCPIDEFINE_floatToStr(val, str, len);
+    return strlen(str);
 }
 
 /**
@@ -260,7 +260,8 @@
  * @return number of bytes written to str (without '\0')
  */
 size_t SCPI_DoubleToStr(double val, char * str, size_t len) {
-    return SCPIDEFINE_doubleToStr(val, str, len);
+    SCPIDEFINE_doubleToStr(val, str, len);
+    return strlen(str);
 }
 
 /**
@@ -295,7 +296,7 @@
  */
 size_t strBaseToInt64(const char * str, int64_t * val, int8_t base) {
     char * endptr;
-    *val = strtoll(str, &endptr, base);
+    *val = SCPIDEFINE_strtoll(str, &endptr, base);
     return endptr - str;
 }
 
@@ -307,7 +308,7 @@
  */
 size_t strBaseToUInt64(const char * str, uint64_t * val, int8_t base) {
     char * endptr;
-    *val = strtoull(str, &endptr, base);
+    *val = SCPIDEFINE_strtoull(str, &endptr, base);
     return endptr - str;
 }
 
@@ -319,7 +320,7 @@
  */
 size_t strToFloat(const char * str, float * val) {
     char * endptr;
-    *val = strtof(str, &endptr);
+    *val = SCPIDEFINE_strtof(str, &endptr);
     return endptr - str;
 }
 
@@ -376,7 +377,7 @@
 
         if (num) {
             if (len1 == len2) {
-                //*num = 1;
+                /* *num = 1; */
             } else {
                 int32_t tmpNum;
                 i = len1 + strBaseToInt32(str2 + len1, &tmpNum, 10);
@@ -528,11 +529,11 @@
     }
 
     /* now support optional keywords in pattern style, e.g. [:MEASure]:VOLTage:DC? */
-    if (pattern_ptr[0] == '[') { // skip first '['
+    if (pattern_ptr[0] == '[') { /* skip first '[' */
         SKIP_PATTERN(1);
         brackets++;
     }
-    if (pattern_ptr[0] == ':') { // skip first ':'
+    if (pattern_ptr[0] == ':') { /* skip first ':' */
         SKIP_PATTERN(1);
     }
 
@@ -555,7 +556,7 @@
         if ((pattern_sep_pos > 0) && pattern_ptr[pattern_sep_pos - 1] == '#') {
             if (numbers && (numbers_idx < numbers_len)) {
                 number_ptr = numbers + numbers_idx;
-                *number_ptr = default_value; // default value
+                *number_ptr = default_value; /* default value */
             } else {
                 number_ptr = NULL;
             }
@@ -582,7 +583,7 @@
 
             /* command complete, but pattern not */
             if (cmd_len == 0) {
-                // verify all subsequent pattern parts are also optional
+                /* verify all subsequent pattern parts are also optional */
                 while (pattern_len) {
                     pattern_sep_pos = patternSeparatorPos(pattern_ptr, pattern_len);
                     switch (pattern_ptr[pattern_sep_pos]) {
@@ -620,14 +621,14 @@
                     && (pattern_ptr[1] == cmd_ptr[0])
                     && (pattern_ptr[0] == '[')
                     && (pattern_ptr[1] == ':')) {
-                SKIP_PATTERN(2); // for skip '[' in "[:"
+                SKIP_PATTERN(2); /* for skip '[' in "[:" */
                 SKIP_CMD(1);
                 brackets++;
             } else if ((pattern_len > 1)
                     && (pattern_ptr[1] == cmd_ptr[0])
                     && (pattern_ptr[0] == ']')
                     && (pattern_ptr[1] == ':')) {
-                SKIP_PATTERN(2); // for skip ']' in "]:"
+                SKIP_PATTERN(2); /* for skip ']' in "]:" */
                 SKIP_CMD(1);
                 brackets--;
             } else if ((pattern_len > 2)
@@ -635,10 +636,10 @@
                     && (pattern_ptr[0] == ']')
                     && (pattern_ptr[1] == '[')
                     && (pattern_ptr[2] == ':')) {
-                SKIP_PATTERN(3); // for skip '][' in "][:"
+                SKIP_PATTERN(3); /* for skip '][' in "][:" */
                 SKIP_CMD(1);
-                //brackets++;
-                //brackets--;
+                /* brackets++; */
+                /* brackets--; */
             } else {
                 result = FALSE;
                 break;
@@ -646,14 +647,14 @@
         } else {
             SKIP_PATTERN(pattern_sep_pos);
             if ((pattern_ptr[0] == ']') && (pattern_ptr[1] == ':')) {
-                SKIP_PATTERN(2); // for skip ']' in "]:" , pattern_ptr continue, while cmd_ptr remain unchanged
+                SKIP_PATTERN(2); /* for skip ']' in "]:" , pattern_ptr continue, while cmd_ptr remain unchanged */
                 brackets--;
             } else if ((pattern_len > 2) && (pattern_ptr[0] == ']')
                     && (pattern_ptr[1] == '[')
                     && (pattern_ptr[2] == ':')) {
-                SKIP_PATTERN(3); // for skip ']' in "][:" , pattern_ptr continue, while cmd_ptr remain unchanged
-                //brackets++;
-                //brackets--;
+                SKIP_PATTERN(3); /* for skip ']' in "][:" , pattern_ptr continue, while cmd_ptr remain unchanged */
+                /* brackets++; */
+                /* brackets--; */
             } else {
                 result = FALSE;
                 break;
@@ -750,6 +751,19 @@
 }
 #endif
 
+#if USE_MEMORY_ALLOCATION_FREE && !HAVE_STRNDUP
+char *OUR_strndup(const char *s, size_t n) {
+    size_t len = SCPIDEFINE_strnlen(s, n);
+    char * result = malloc(len + 1);
+    if (!result) {
+        return NULL;
+    }
+    memcpy(result, s, len);
+    result[len] = '\0';
+    return result;
+}
+#endif
+
 #if USE_DEVICE_DEPENDENT_ERROR_INFORMATION && !USE_MEMORY_ALLOCATION_FREE
 
 /**
@@ -788,7 +802,7 @@
         return NULL;
     }
 
-    size_t len = SCPIDEFINE_strnlen(s, n) + 1; // additional '\0' at end
+    size_t len = SCPIDEFINE_strnlen(s, n) + 1; /* additional '\0' at end */
     if (len > heap->count) {
         return NULL;
     }
@@ -808,7 +822,7 @@
     heap->wr += len;
     heap->count -= len;
 
-    // ensure '\0' a the end
+    /* ensure '\0' a the end */
     if (heap->wr > 0) {
         heap->data[heap->wr - 1] = '\0';
     } else {
@@ -889,34 +903,36 @@
 
 #endif
 
-// Floating point to string conversion routines
-//
-// Copyright (C) 2002 Michael Ringgaard. All rights reserved.
-//
-// 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 project 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+/*
+ * Floating point to string conversion routines
+ *
+ * Copyright (C) 2002 Michael Ringgaard. All rights reserved.
+ *
+ * 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 project 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ */
 
 static char *scpi_ecvt(double arg, int ndigits, int *decpt, int *sign, char *buf, size_t bufsize) {
     int r1, r2;
@@ -991,14 +1007,14 @@
 char * SCPI_dtostre(double __val, char * __s, size_t __ssize, unsigned char __prec, unsigned char __flags) {
     char buffer[SCPI_DTOSTRE_BUFFER_SIZE];
 
-    int sign = signbit(__val);
+    int sign = SCPIDEFINE_signbit(__val);
     char * s = buffer;
     int decpt;
     if (sign) {
         __val = -__val;
         s[0] = '-';
         s++;
-    } else if (!isnan(__val)) {
+    } else if (!SCPIDEFINE_isnan(__val)) {
         if (SCPI_DTOSTRE_PLUS_SIGN & __flags) {
             s[0] = '+';
             s++;
@@ -1008,13 +1024,14 @@
         }
     }
 
-    if (!isfinite(__val)) {
-        if (isnan(__val)) {
+    if (!SCPIDEFINE_isfinite(__val)) {
+        if (SCPIDEFINE_isnan(__val)) {
             strcpy(s, (__flags & SCPI_DTOSTRE_UPPERCASE) ? "NAN" : "nan");
         } else {
             strcpy(s, (__flags & SCPI_DTOSTRE_UPPERCASE) ? "INF" : "inf");
         }
         strncpy(__s, buffer, __ssize);
+        __s[__ssize - 1] = '\0';
         return __s;
     }
 
@@ -1068,6 +1085,7 @@
     }
 
     strncpy(__s, buffer, __ssize);
+    __s[__ssize - 1] = '\0';
     return __s;
 }
 
@@ -1101,10 +1119,10 @@
  * @return
  */
 uint32_t SCPI_Swap32(uint32_t val) {
-    return ((val & 0x000000FF) << 24) |
-            ((val & 0x0000FF00) << 8) |
-            ((val & 0x00FF0000) >> 8) |
-            ((val & 0xFF000000) >> 24);
+    return ((val & 0x000000FFul) << 24) |
+            ((val & 0x0000FF00ul) << 8) |
+            ((val & 0x00FF0000ul) >> 8) |
+            ((val & 0xFF000000ul) >> 24);
 }
 
 /**
@@ -1113,12 +1131,12 @@
  * @return
  */
 uint64_t SCPI_Swap64(uint64_t val) {
-    return ((val & 0x00000000000000FFul) << 56) |
-            ((val & 0x000000000000FF00ul) << 40) |
-            ((val & 0x0000000000FF0000ul) << 24) |
-            ((val & 0x00000000FF000000ul) << 8) |
-            ((val & 0x000000FF00000000ul) >> 8) |
-            ((val & 0x0000FF0000000000ul) >> 24) |
-            ((val & 0x00FF000000000000ul) >> 40) |
-            ((val & 0xFF00000000000000ul) >> 56);
+    return ((val & 0x00000000000000FFull) << 56) |
+            ((val & 0x000000000000FF00ull) << 40) |
+            ((val & 0x0000000000FF0000ull) << 24) |
+            ((val & 0x00000000FF000000ull) << 8) |
+            ((val & 0x000000FF00000000ull) >> 8) |
+            ((val & 0x0000FF0000000000ull) >> 24) |
+            ((val & 0x00FF000000000000ull) >> 40) |
+            ((val & 0xFF00000000000000ull) >> 56);
 }

--
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