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[gawk-diffs] [SCM] gawk branch, master, updated. gawk-4.1.0-2546-g67f4d0
|
From: |
Arnold Robbins |
|
Subject: |
[gawk-diffs] [SCM] gawk branch, master, updated. gawk-4.1.0-2546-g67f4d07 |
|
Date: |
Sun, 16 Apr 2017 04:04:52 -0400 (EDT) |
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The branch, master has been updated
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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=67f4d070335e12622af1363b71c68489c64f5bc7
commit 67f4d070335e12622af1363b71c68489c64f5bc7
Author: Arnold D. Robbins <address@hidden>
Date: Sun Apr 16 11:04:29 2017 +0300
Fixes for intdiv function, including documentation.
diff --git a/ChangeLog b/ChangeLog
index 8972233..77db900 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-04-16 Arnold D. Robbins <address@hidden>
+
+ * builtin.c (do_intdiv): Use DEREF on the arguments.
+ Thanks to Andrew Schorr for finding the problem.
+ * mpfr.c (do_mpfr_intdiv): Return -1 if numerator or denominator
+ are not valid numbers. Unref various bits first.
+
2017-04-12 Arnold D. Robbins <address@hidden>
* mpfr.c (mpg_format_val): Set STRCUR flag when we're done.
diff --git a/builtin.c b/builtin.c
index b358763..87d9dcb 100644
--- a/builtin.c
+++ b/builtin.c
@@ -4034,6 +4034,9 @@ do_intdiv(int nargs)
unref(*lhs);
*lhs = make_number((AWKNUM) remainder);
+ DEREF(denominator);
+ DEREF(numerator);
+
return make_number((AWKNUM) 0.0);
}
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 4da39fe..39fc802 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2017-04-16 Arnold D. Robbins <address@hidden>
+
+ * gawktexi.in: Improve documentation of the intdiv() function.
+
2017-04-12 Arnold D. Robbins <address@hidden>
* it: New directory with Italian translation of the manual.
diff --git a/doc/gawk.info b/doc/gawk.info
index d3ae563..238df1d 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -12268,16 +12268,19 @@ brackets ([ ]):
3, 'int(-3.9)' is -3, and 'int(-3)' is -3 as well.
'intdiv(NUMERATOR, DENOMINATOR, RESULT)'
- Perform integer division, similar to the standard C function of the
- same name. First, truncate 'numerator' and 'denominator' towards
+ Perform integer division, similar to the standard C 'div()'
+ function. First, truncate 'numerator' and 'denominator' towards
zero, creating integer values. Clear the 'result' array, and then
set 'result["quotient"]' to the result of 'numerator /
denominator', truncated towards zero to an integer, and set
'result["remainder"]' to the result of 'numerator % denominator',
- truncated towards zero to an integer. This function is primarily
- intended for use with arbitrary length integers; it avoids creating
- MPFR arbitrary precision floating-point values (*note Arbitrary
- Precision Integers::).
+ truncated towards zero to an integer. Attempting division by zero
+ causes a fatal error. The function returns zero upon success, and
+ -1 upon error.
+
+ This function is primarily intended for use with arbitrary length
+ integers; it avoids creating MPFR arbitrary precision
+ floating-point values (*note Arbitrary Precision Integers::).
This function is a 'gawk' extension. It is not available in
compatibility mode (*note Options::).
@@ -34422,9 +34425,9 @@ Index
* localization: I18N and L10N. (line 6)
* localization, See internationalization, localization: I18N and L10N.
(line 6)
-* log: Numeric Functions. (line 44)
+* log: Numeric Functions. (line 47)
* log files, timestamps in: Time Functions. (line 6)
-* logarithm: Numeric Functions. (line 44)
+* logarithm: Numeric Functions. (line 47)
* logical false/true: Truth Values. (line 6)
* logical operators, See Boolean expressions: Boolean Ops. (line 6)
* login information: Passwd Functions. (line 16)
@@ -34887,12 +34890,12 @@ Index
* Rakitzis, Byron: History Sorting. (line 25)
* Ramey, Chet: Acknowledgments. (line 60)
* Ramey, Chet <1>: General Data Types. (line 6)
-* rand: Numeric Functions. (line 49)
+* rand: Numeric Functions. (line 52)
* random numbers, Cliff: Cliff Random Function.
(line 6)
* random numbers, rand()/srand() functions: Numeric Functions.
- (line 49)
-* random numbers, seed of: Numeric Functions. (line 79)
+ (line 52)
+* random numbers, seed of: Numeric Functions. (line 82)
* range expressions (regexps): Bracket Expressions. (line 6)
* range patterns: Ranges. (line 6)
* range patterns, line continuation and: Ranges. (line 64)
@@ -35070,7 +35073,7 @@ Index
* sed utility: Full Line Fields. (line 22)
* sed utility <1>: Simple Sed. (line 6)
* sed utility <2>: Glossary. (line 16)
-* seeding random number generator: Numeric Functions. (line 79)
+* seeding random number generator: Numeric Functions. (line 82)
* semicolon (;), AWKPATH variable and: PC Using. (line 9)
* semicolon (;), separating statements in actions: Statements/Lines.
(line 90)
@@ -35174,8 +35177,8 @@ Index
* SIGUSR1 signal, for dynamic profiling: Profiling. (line 186)
* silent debugger command: Debugger Execution Control.
(line 10)
-* sin: Numeric Functions. (line 90)
-* sine: Numeric Functions. (line 90)
+* sin: Numeric Functions. (line 93)
+* sine: Numeric Functions. (line 93)
* single quote ('): One-shot. (line 15)
* single quote (') in gawk command lines: Long. (line 35)
* single quote ('), in shell commands: Quoting. (line 48)
@@ -35225,10 +35228,10 @@ Index
* sprintf() function, OFMT variable and: User-modified. (line 116)
* sprintf() function, print/printf statements and: Round Function.
(line 6)
-* sqrt: Numeric Functions. (line 93)
+* sqrt: Numeric Functions. (line 96)
* square brackets ([]), regexp operator: Regexp Operators. (line 56)
-* square root: Numeric Functions. (line 93)
-* srand: Numeric Functions. (line 97)
+* square root: Numeric Functions. (line 96)
+* srand: Numeric Functions. (line 100)
* stack frame: Debugging Terms. (line 10)
* Stallman, Richard: Manual History. (line 6)
* Stallman, Richard <1>: Acknowledgments. (line 18)
@@ -35788,340 +35791,340 @@ Node: Functions516532
Node: Built-in517570
Node: Calling Built-in518651
Node: Numeric Functions520647
-Ref: Numeric Functions-Footnote-1525480
-Ref: Numeric Functions-Footnote-2525837
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-Ref: String Functions-Footnote-2549943
-Ref: String Functions-Footnote-3550191
-Node: Gory Details550278
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-Ref: table-sub-proposed553588
-Ref: table-posix-sub554951
-Ref: table-gensub-escapes556492
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-Node: I/O Functions557469
-Ref: table-system-return-values564051
-Ref: I/O Functions-Footnote-1566031
-Ref: I/O Functions-Footnote-2566179
-Node: Time Functions566299
-Ref: Time Functions-Footnote-1576966
-Ref: Time Functions-Footnote-2577034
-Ref: Time Functions-Footnote-3577192
-Ref: Time Functions-Footnote-4577303
-Ref: Time Functions-Footnote-5577415
-Ref: Time Functions-Footnote-6577642
-Node: Bitwise Functions577908
-Ref: table-bitwise-ops578502
-Ref: Bitwise Functions-Footnote-1584535
-Ref: Bitwise Functions-Footnote-2584708
-Node: Type Functions584899
-Node: I18N Functions587574
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-Node: Function Example595788
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-Node: MPFR features915062
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-Node: Installation1139225
-Node: Gawk Distribution1140169
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-Node: Distribution contents1143252
-Node: Unix Installation1149594
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-Node: Shell Startup Files1152690
-Node: Additional Configuration Options1153779
-Node: Configuration Philosophy1155584
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-Node: PC Using1160803
-Node: Cygwin1163848
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-Node: VMS Old Gawk1176149
-Node: Bugs1176620
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-Node: Usenet1179680
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-Node: Other Versions1181833
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-Node: Additions1191099
-Node: Accessing The Source1192024
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-Node: Basic Data Typing1229548
-Node: Glossary1232876
-Node: Copying1264823
-Node: GNU Free Documentation License1302362
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+Ref: Numeric Functions-Footnote-1525592
+Ref: Numeric Functions-Footnote-2525949
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+Node: List of Debugger Commands878523
+Node: Breakpoint Control879856
+Node: Debugger Execution Control883550
+Node: Viewing And Changing Data886912
+Node: Execution Stack890286
+Node: Debugger Info891923
+Node: Miscellaneous Debugger Commands895994
+Node: Readline Support901082
+Node: Limitations901978
+Node: Debugging Summary904087
+Node: Arbitrary Precision Arithmetic905366
+Node: Computer Arithmetic906782
+Ref: table-numeric-ranges910373
+Ref: Computer Arithmetic-Footnote-1911095
+Node: Math Definitions911152
+Ref: table-ieee-formats914466
+Ref: Math Definitions-Footnote-1915069
+Node: MPFR features915174
+Node: FP Math Caution916891
+Ref: FP Math Caution-Footnote-1917963
+Node: Inexactness of computations918332
+Node: Inexact representation919292
+Node: Comparing FP Values920652
+Node: Errors accumulate921734
+Node: Getting Accuracy923167
+Node: Try To Round925877
+Node: Setting precision926776
+Ref: table-predefined-precision-strings927473
+Node: Setting the rounding mode929303
+Ref: table-gawk-rounding-modes929677
+Ref: Setting the rounding mode-Footnote-1933085
+Node: Arbitrary Precision Integers933264
+Ref: Arbitrary Precision Integers-Footnote-1938181
+Node: POSIX Floating Point Problems938330
+Ref: POSIX Floating Point Problems-Footnote-1942212
+Node: Floating point summary942250
+Node: Dynamic Extensions944440
+Node: Extension Intro945993
+Node: Plugin License947259
+Node: Extension Mechanism Outline948056
+Ref: figure-load-extension948495
+Ref: figure-register-new-function950060
+Ref: figure-call-new-function951152
+Node: Extension API Description953214
+Node: Extension API Functions Introduction954856
+Node: General Data Types960190
+Ref: General Data Types-Footnote-1967395
+Node: Memory Allocation Functions967694
+Ref: Memory Allocation Functions-Footnote-1970539
+Node: Constructor Functions970638
+Node: Registration Functions973637
+Node: Extension Functions974322
+Node: Exit Callback Functions979535
+Node: Extension Version String980785
+Node: Input Parsers981448
+Node: Output Wrappers994155
+Node: Two-way processors998667
+Node: Printing Messages1000932
+Ref: Printing Messages-Footnote-11002103
+Node: Updating ERRNO1002256
+Node: Requesting Values1002995
+Ref: table-value-types-returned1003732
+Node: Accessing Parameters1004668
+Node: Symbol Table Access1005903
+Node: Symbol table by name1006415
+Node: Symbol table by cookie1008204
+Ref: Symbol table by cookie-Footnote-11012389
+Node: Cached values1012453
+Ref: Cached values-Footnote-11015989
+Node: Array Manipulation1016080
+Ref: Array Manipulation-Footnote-11017171
+Node: Array Data Types1017208
+Ref: Array Data Types-Footnote-11019866
+Node: Array Functions1019958
+Node: Flattening Arrays1024357
+Node: Creating Arrays1031298
+Node: Redirection API1036067
+Node: Extension API Variables1038909
+Node: Extension Versioning1039542
+Ref: gawk-api-version1039979
+Node: Extension API Informational Variables1041707
+Node: Extension API Boilerplate1042771
+Node: Changes from API V11046633
+Node: Finding Extensions1047293
+Node: Extension Example1047852
+Node: Internal File Description1048650
+Node: Internal File Ops1052730
+Ref: Internal File Ops-Footnote-11064130
+Node: Using Internal File Ops1064270
+Ref: Using Internal File Ops-Footnote-11066653
+Node: Extension Samples1066927
+Node: Extension Sample File Functions1068456
+Node: Extension Sample Fnmatch1076105
+Node: Extension Sample Fork1077592
+Node: Extension Sample Inplace1078810
+Node: Extension Sample Ord1082020
+Node: Extension Sample Readdir1082856
+Ref: table-readdir-file-types1083745
+Node: Extension Sample Revout1084550
+Node: Extension Sample Rev2way1085139
+Node: Extension Sample Read write array1085879
+Node: Extension Sample Readfile1087821
+Node: Extension Sample Time1088916
+Node: Extension Sample API Tests1090264
+Node: gawkextlib1090756
+Node: Extension summary1093203
+Node: Extension Exercises1096905
+Node: Language History1098403
+Node: V7/SVR3.11100059
+Node: SVR41102211
+Node: POSIX1103645
+Node: BTL1105024
+Node: POSIX/GNU1105753
+Node: Feature History1111645
+Node: Common Extensions1126015
+Node: Ranges and Locales1127298
+Ref: Ranges and Locales-Footnote-11131914
+Ref: Ranges and Locales-Footnote-21131941
+Ref: Ranges and Locales-Footnote-31132176
+Node: Contributors1132397
+Node: History summary1137957
+Node: Installation1139337
+Node: Gawk Distribution1140281
+Node: Getting1140765
+Node: Extracting1141726
+Node: Distribution contents1143364
+Node: Unix Installation1149706
+Node: Quick Installation1150388
+Node: Shell Startup Files1152802
+Node: Additional Configuration Options1153891
+Node: Configuration Philosophy1155696
+Node: Non-Unix Installation1158065
+Node: PC Installation1158525
+Node: PC Binary Installation1159363
+Node: PC Compiling1159798
+Node: PC Using1160915
+Node: Cygwin1163960
+Node: MSYS1164730
+Node: VMS Installation1165231
+Node: VMS Compilation1166022
+Ref: VMS Compilation-Footnote-11167251
+Node: VMS Dynamic Extensions1167309
+Node: VMS Installation Details1168994
+Node: VMS Running1171247
+Node: VMS GNV1175526
+Node: VMS Old Gawk1176261
+Node: Bugs1176732
+Node: Bug address1177395
+Node: Usenet1179792
+Node: Maintainers1180569
+Node: Other Versions1181945
+Node: Installation summary1188529
+Node: Notes1189564
+Node: Compatibility Mode1190429
+Node: Additions1191211
+Node: Accessing The Source1192136
+Node: Adding Code1193571
+Node: New Ports1199789
+Node: Derived Files1204277
+Ref: Derived Files-Footnote-11209762
+Ref: Derived Files-Footnote-21209797
+Ref: Derived Files-Footnote-31210395
+Node: Future Extensions1210509
+Node: Implementation Limitations1211167
+Node: Extension Design1212350
+Node: Old Extension Problems1213504
+Ref: Old Extension Problems-Footnote-11215022
+Node: Extension New Mechanism Goals1215079
+Ref: Extension New Mechanism Goals-Footnote-11218443
+Node: Extension Other Design Decisions1218632
+Node: Extension Future Growth1220745
+Node: Old Extension Mechanism1221581
+Node: Notes summary1223344
+Node: Basic Concepts1224526
+Node: Basic High Level1225207
+Ref: figure-general-flow1225489
+Ref: figure-process-flow1226174
+Ref: Basic High Level-Footnote-11229475
+Node: Basic Data Typing1229660
+Node: Glossary1232988
+Node: Copying1264935
+Node: GNU Free Documentation License1302474
+Node: Index1327592
End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 8b872e9..fa8c666 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -17461,13 +17461,17 @@ is @minus{}3, and @code{int(-3)} is @minus{}3 as well.
@item @code{intdiv(@var{numerator}, @var{denominator}, @var{result})}
@cindexawkfunc{intdiv}
@cindex intdiv
-Perform integer division, similar to the standard C function of the
-same name. First, truncate @code{numerator} and @code{denominator}
+Perform integer division, similar to the standard C @code{div()} function.
+First, truncate @code{numerator} and @code{denominator}
towards zero, creating integer values. Clear the @code{result}
array, and then set @code{result["quotient"]} to the result of
@samp{numerator / denominator}, truncated towards zero to an integer,
and set @code{result["remainder"]} to the result of @samp{numerator %
-denominator}, truncated towards zero to an integer. This function is
+denominator}, truncated towards zero to an integer.
+Attempting division by zero causes a fatal error.
+The function returns zero upon success, and @minus{}1 upon error.
+
+This function is
primarily intended for use with arbitrary length integers; it avoids
creating MPFR arbitrary precision floating-point values (@pxref{Arbitrary
Precision Integers}).
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index f991432..21c6e50 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -16734,13 +16734,17 @@ is @minus{}3, and @code{int(-3)} is @minus{}3 as well.
@item @code{intdiv(@var{numerator}, @var{denominator}, @var{result})}
@cindexawkfunc{intdiv}
@cindex intdiv
-Perform integer division, similar to the standard C function of the
-same name. First, truncate @code{numerator} and @code{denominator}
+Perform integer division, similar to the standard C @code{div()} function.
+First, truncate @code{numerator} and @code{denominator}
towards zero, creating integer values. Clear the @code{result}
array, and then set @code{result["quotient"]} to the result of
@samp{numerator / denominator}, truncated towards zero to an integer,
and set @code{result["remainder"]} to the result of @samp{numerator %
-denominator}, truncated towards zero to an integer. This function is
+denominator}, truncated towards zero to an integer.
+Attempting division by zero causes a fatal error.
+The function returns zero upon success, and @minus{}1 upon error.
+
+This function is
primarily intended for use with arbitrary length integers; it avoids
creating MPFR arbitrary precision floating-point values (@pxref{Arbitrary
Precision Integers}).
diff --git a/mpfr.c b/mpfr.c
index 5a2a35d..c83a57b 100644
--- a/mpfr.c
+++ b/mpfr.c
@@ -1224,7 +1224,9 @@ do_mpfr_intdiv(int nargs)
} else {
if (! mpfr_number_p(numerator->mpg_numbr)) {
/* [+-]inf or NaN */
- return numerator;
+ unref(numerator);
+ unref(denominator);
+ return make_number((AWKNUM) -1);
}
num = mpg_integer();
@@ -1237,7 +1239,10 @@ do_mpfr_intdiv(int nargs)
} else {
if (! mpfr_number_p(denominator->mpg_numbr)) {
/* [+-]inf or NaN */
- return denominator;
+ unref(numerator);
+ unref(denominator);
+ unref(num);
+ return make_number((AWKNUM) -1);
}
denom = mpg_integer();
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +
builtin.c | 3 +
doc/ChangeLog | 4 +
doc/gawk.info | 707 ++++++++++++++++++++++++++++----------------------------
doc/gawk.texi | 10 +-
doc/gawktexi.in | 10 +-
mpfr.c | 9 +-
7 files changed, 390 insertions(+), 360 deletions(-)
hooks/post-receive
--
gawk
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- [gawk-diffs] [SCM] gawk branch, master, updated. gawk-4.1.0-2546-g67f4d07,
Arnold Robbins <=