Merge branch 'master' into feature/regex-type

7 files changed, 472 insertions, 374 deletions

diff --git a/ChangeLog b/ChangeLog
index cb5626c7..055a0bd1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2015-05-15         Andrew J. Schorr     <aschorr@telemetry-investments.com>
+
+	* symbol.c (load_symbols): Plug minor memory leak by calling unref(tmp)
+	on "identifiers" string after assoc_lookup is done with it.
+
+2015-05-15         Andrew J. Schorr     <aschorr@telemetry-investments.com>
+
+	* main.c (load_procinfo_argv): New function to save argv array values
+	in PROCINFO["argv"][0..argc-1].
+	(load_procinfo): Call load_procinfo_argv.
+
 2015-05-11         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* awk.h, awkgram.y, builtin.c, eval.c profile.c, re.c:
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 7422bbc1..cb5b0cd2 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,16 @@
+2015-05-16         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* gawktexi.in: Fix description of nextfile within a function. Sigh.
+
+2015-05-15         Andrew J. Schorr     <aschorr@telemetry-investments.com>
+
+	* gawktexi.in (Undocumented): Describe the new PROCINFO["argv"] array.
+
+2015-05-14         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* gawktexi.in (Bugs): Add that email should be in plain
+	text and not in HTML.  Sigh.
+
 2015-05-11         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* gawktexi.in: Add doc on conversions for strongly typed
diff --git a/doc/gawk.info b/doc/gawk.info
index 5ce1689b..6a2db963 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -10147,8 +10147,9 @@ in 'ARGV'.
    The current version of BWK 'awk' and 'mawk' also support 'nextfile'.
 However, they don't allow the 'nextfile' statement inside function
 bodies (*note User-defined::).  'gawk' does; a 'nextfile' inside a
-function body reads the next record and starts processing it with the
-first rule in the program, just as any other 'nextfile' statement.
+function body reads the first record from the next file and starts
+processing it with the first rule in the program, just as any other
+'nextfile' statement.
 
 
 File: gawk.info,  Node: Exit Statement,  Prev: Nextfile Statement,  Up: Statements
@@ -28614,7 +28615,9 @@ can get this information with the command 'gawk --version'.
 receive your bug report.  Although you can send mail to the maintainers
 directly, the bug reporting address is preferred because the email list
 is archived at the GNU Project.  _All email must be in English.  This is
-the only language understood in common by all the maintainers._
+the only language understood in common by all the maintainers._  In
+addition, please be sure to send all mail in _plain text_, not (or not
+exclusively) in HTML.
 
      CAUTION: Do _not_ try to report bugs in 'gawk' by posting to the
      Usenet/Internet newsgroup 'comp.lang.awk'.  The 'gawk' developers
@@ -32492,7 +32495,7 @@ Index
                                                               (line  13)
 * Buening, Andreas:                      Acknowledgments.     (line  60)
 * Buening, Andreas <1>:                  Contributors.        (line  93)
-* Buening, Andreas <2>:                  Bugs.                (line  71)
+* Buening, Andreas <2>:                  Bugs.                (line  73)
 * buffering, input/output:               I/O Functions.       (line 139)
 * buffering, input/output <1>:           Two-way I/O.         (line  53)
 * buffering, interactive vs. noninteractive: I/O Functions.   (line  76)
@@ -32607,7 +32610,7 @@ Index
 * common extensions, single character fields: Single Character Fields.
                                                               (line   6)
 * common extensions, '\x' escape sequence: Escape Sequences.  (line  61)
-* 'comp.lang.awk' newsgroup:             Bugs.                (line  39)
+* 'comp.lang.awk' newsgroup:             Bugs.                (line  41)
 * comparison expressions:                Typing and Comparison.
                                                               (line   9)
 * comparison expressions, as patterns:   Expression Patterns. (line  14)
@@ -32872,7 +32875,7 @@ Index
 * 'default' keyword:                     Switch Statement.    (line   6)
 * Deifik, Scott:                         Acknowledgments.     (line  60)
 * Deifik, Scott <1>:                     Contributors.        (line  54)
-* Deifik, Scott <2>:                     Bugs.                (line  71)
+* Deifik, Scott <2>:                     Bugs.                (line  73)
 * 'delete' ARRAY:                        Delete.              (line  39)
 * delete breakpoint at location:         Breakpoint Control.  (line  36)
 * delete breakpoint by number:           Breakpoint Control.  (line  64)
@@ -33852,7 +33855,7 @@ Index
 * mailing labels, printing:              Labels Program.      (line   6)
 * mailing list, GNITS:                   Acknowledgments.     (line  52)
 * Malmberg, John:                        Acknowledgments.     (line  60)
-* Malmberg, John <1>:                    Bugs.                (line  71)
+* Malmberg, John <1>:                    Bugs.                (line  73)
 * Malmberg, John E.:                     Contributors.        (line 138)
 * mark parity:                           Ordinal Functions.   (line  45)
 * marked string extraction (internationalization): String Extraction.
@@ -34101,7 +34104,7 @@ Index
 * pipe, input:                           Getline/Pipe.        (line  10)
 * pipe, output:                          Redirection.         (line  57)
 * Pitts, Dave:                           Acknowledgments.     (line  60)
-* Pitts, Dave <1>:                       Bugs.                (line  71)
+* Pitts, Dave <1>:                       Bugs.                (line  73)
 * Plauger, P.J.:                         Library Functions.   (line  12)
 * plug-in:                               Extension Intro.     (line   6)
 * plus sign ('+'), '+' operator:         Precedence.          (line  51)
@@ -34439,7 +34442,7 @@ Index
 * Robbins, Arnold <3>:                   Alarm Program.       (line   6)
 * Robbins, Arnold <4>:                   General Data Types.  (line   6)
 * Robbins, Arnold <5>:                   Contributors.        (line 145)
-* Robbins, Arnold <6>:                   Bugs.                (line  71)
+* Robbins, Arnold <6>:                   Bugs.                (line  73)
 * Robbins, Arnold <7>:                   Future Extensions.   (line   6)
 * Robbins, Bill:                         Getline/Pipe.        (line  40)
 * Robbins, Harry:                        Acknowledgments.     (line  93)
@@ -34980,7 +34983,7 @@ Index
 * Yawitz, Efraim:                        Contributors.        (line 132)
 * Zaretskii, Eli:                        Acknowledgments.     (line  60)
 * Zaretskii, Eli <1>:                    Contributors.        (line  56)
-* Zaretskii, Eli <2>:                    Bugs.                (line  71)
+* Zaretskii, Eli <2>:                    Bugs.                (line  73)
 * 'zerofile.awk' program:                Empty Files.         (line  20)
 * Zoulas, Christos:                      Contributors.        (line  67)
 
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+Node: Signature Program779484
+Node: Programs Summary780731
+Node: Programs Exercises781946
+Ref: Programs Exercises-Footnote-1786075
+Node: Advanced Features786166
+Node: Nondecimal Data788156
+Node: Array Sorting789747
+Node: Controlling Array Traversal790447
+Ref: Controlling Array Traversal-Footnote-1798816
+Node: Array Sorting Functions798934
+Ref: Array Sorting Functions-Footnote-1802821
+Node: Two-way I/O803017
+Ref: Two-way I/O-Footnote-1807968
+Ref: Two-way I/O-Footnote-2808155
+Node: TCP/IP Networking808237
+Node: Profiling811144
+Node: Advanced Features Summary819415
+Node: Internationalization821351
+Node: I18N and L10N822831
+Node: Explaining gettext823518
+Ref: Explaining gettext-Footnote-1828541
+Ref: Explaining gettext-Footnote-2828726
+Node: Programmer i18n828891
+Ref: Programmer i18n-Footnote-1833747
+Node: Translator i18n833796
+Node: String Extraction834590
+Ref: String Extraction-Footnote-1835723
+Node: Printf Ordering835809
+Ref: Printf Ordering-Footnote-1838595
+Node: I18N Portability838659
+Ref: I18N Portability-Footnote-1841115
+Node: I18N Example841178
+Ref: I18N Example-Footnote-1843984
+Node: Gawk I18N844057
+Node: I18N Summary844702
+Node: Debugger846043
+Node: Debugging847065
+Node: Debugging Concepts847506
+Node: Debugging Terms849315
+Node: Awk Debugging851890
+Node: Sample Debugging Session852796
+Node: Debugger Invocation853330
+Node: Finding The Bug854716
+Node: List of Debugger Commands861194
+Node: Breakpoint Control862527
+Node: Debugger Execution Control866221
+Node: Viewing And Changing Data869583
+Node: Execution Stack872957
+Node: Debugger Info874594
+Node: Miscellaneous Debugger Commands878665
+Node: Readline Support883674
+Node: Limitations884570
+Node: Debugging Summary886679
+Node: Arbitrary Precision Arithmetic887852
+Node: Computer Arithmetic889268
+Ref: table-numeric-ranges892859
+Ref: Computer Arithmetic-Footnote-1893581
+Node: Math Definitions893638
+Ref: table-ieee-formats896952
+Ref: Math Definitions-Footnote-1897555
+Node: MPFR features897660
+Node: FP Math Caution899333
+Ref: FP Math Caution-Footnote-1900405
+Node: Inexactness of computations900774
+Node: Inexact representation901734
+Node: Comparing FP Values903094
+Node: Errors accumulate904176
+Node: Getting Accuracy905609
+Node: Try To Round908319
+Node: Setting precision909218
+Ref: table-predefined-precision-strings909915
+Node: Setting the rounding mode911745
+Ref: table-gawk-rounding-modes912119
+Ref: Setting the rounding mode-Footnote-1915527
+Node: Arbitrary Precision Integers915706
+Ref: Arbitrary Precision Integers-Footnote-1920623
+Node: POSIX Floating Point Problems920772
+Ref: POSIX Floating Point Problems-Footnote-1924654
+Node: Floating point summary924692
+Node: Dynamic Extensions926882
+Node: Extension Intro928435
+Node: Plugin License929701
+Node: Extension Mechanism Outline930498
+Ref: figure-load-extension930937
+Ref: figure-register-new-function932502
+Ref: figure-call-new-function933594
+Node: Extension API Description935657
+Node: Extension API Functions Introduction937191
+Node: General Data Types942050
+Ref: General Data Types-Footnote-1948005
+Node: Memory Allocation Functions948304
+Ref: Memory Allocation Functions-Footnote-1951149
+Node: Constructor Functions951248
+Node: Registration Functions952993
+Node: Extension Functions953678
+Node: Exit Callback Functions955977
+Node: Extension Version String957227
+Node: Input Parsers957890
+Node: Output Wrappers967775
+Node: Two-way processors972287
+Node: Printing Messages974551
+Ref: Printing Messages-Footnote-1975627
+Node: Updating 'ERRNO'975780
+Node: Requesting Values976521
+Ref: table-value-types-returned977260
+Node: Accessing Parameters978143
+Node: Symbol Table Access979379
+Node: Symbol table by name979891
+Node: Symbol table by cookie981912
+Ref: Symbol table by cookie-Footnote-1986061
+Node: Cached values986125
+Ref: Cached values-Footnote-1989626
+Node: Array Manipulation989717
+Ref: Array Manipulation-Footnote-1990808
+Node: Array Data Types990845
+Ref: Array Data Types-Footnote-1993503
+Node: Array Functions993595
+Node: Flattening Arrays997454
+Node: Creating Arrays1004362
+Node: Redirection API1009134
+Node: Extension API Variables1011965
+Node: Extension Versioning1012598
+Node: Extension API Informational Variables1014489
+Node: Extension API Boilerplate1015553
+Node: Finding Extensions1019367
+Node: Extension Example1019927
+Node: Internal File Description1020725
+Node: Internal File Ops1024805
+Ref: Internal File Ops-Footnote-11036567
+Node: Using Internal File Ops1036707
+Ref: Using Internal File Ops-Footnote-11039090
+Node: Extension Samples1039365
+Node: Extension Sample File Functions1040894
+Node: Extension Sample Fnmatch1048543
+Node: Extension Sample Fork1050030
+Node: Extension Sample Inplace1051248
+Node: Extension Sample Ord1053334
+Node: Extension Sample Readdir1054170
+Ref: table-readdir-file-types1055059
+Node: Extension Sample Revout1055864
+Node: Extension Sample Rev2way1056453
+Node: Extension Sample Read write array1057193
+Node: Extension Sample Readfile1059135
+Node: Extension Sample Time1060230
+Node: Extension Sample API Tests1061578
+Node: gawkextlib1062070
+Node: Extension summary1064517
+Node: Extension Exercises1068209
+Node: Language History1069706
+Node: V7/SVR3.11071362
+Node: SVR41073515
+Node: POSIX1074949
+Node: BTL1076329
+Node: POSIX/GNU1077059
+Node: Feature History1082898
+Node: Common Extensions1096889
+Node: Ranges and Locales1098172
+Ref: Ranges and Locales-Footnote-11102788
+Ref: Ranges and Locales-Footnote-21102815
+Ref: Ranges and Locales-Footnote-31103050
+Node: Contributors1103271
+Node: History summary1108840
+Node: Installation1110220
+Node: Gawk Distribution1111165
+Node: Getting1111649
+Node: Extracting1112472
+Node: Distribution contents1114110
+Node: Unix Installation1120206
+Node: Quick Installation1120888
+Node: Shell Startup Files1123302
+Node: Additional Configuration Options1124380
+Node: Configuration Philosophy1126185
+Node: Non-Unix Installation1128555
+Node: PC Installation1129013
+Node: PC Binary Installation1130333
+Node: PC Compiling1132185
+Ref: PC Compiling-Footnote-11135209
+Node: PC Testing1135318
+Node: PC Using1136498
+Node: Cygwin1140612
+Node: MSYS1141382
+Node: VMS Installation1141883
+Node: VMS Compilation1142674
+Ref: VMS Compilation-Footnote-11143904
+Node: VMS Dynamic Extensions1143962
+Node: VMS Installation Details1145647
+Node: VMS Running1147900
+Node: VMS GNV1150741
+Node: VMS Old Gawk1151476
+Node: Bugs1151947
+Node: Other Versions1156061
+Node: Installation summary1162535
+Node: Notes1163593
+Node: Compatibility Mode1164458
+Node: Additions1165240
+Node: Accessing The Source1166165
+Node: Adding Code1167601
+Node: New Ports1173756
+Node: Derived Files1178244
+Ref: Derived Files-Footnote-11183729
+Ref: Derived Files-Footnote-21183764
+Ref: Derived Files-Footnote-31184362
+Node: Future Extensions1184476
+Node: Implementation Limitations1185134
+Node: Extension Design1186317
+Node: Old Extension Problems1187471
+Ref: Old Extension Problems-Footnote-11188989
+Node: Extension New Mechanism Goals1189046
+Ref: Extension New Mechanism Goals-Footnote-11192410
+Node: Extension Other Design Decisions1192599
+Node: Extension Future Growth1194712
+Node: Old Extension Mechanism1195548
+Node: Notes summary1197311
+Node: Basic Concepts1198493
+Node: Basic High Level1199174
+Ref: figure-general-flow1199456
+Ref: figure-process-flow1200141
+Ref: Basic High Level-Footnote-11203442
+Node: Basic Data Typing1203627
+Node: Glossary1206955
+Node: Copying1238901
+Node: GNU Free Documentation License1276440
+Node: Index1301558
 
 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 13cd8dd4..825c97b0 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -4908,6 +4908,25 @@ function names added by @command{gawk} after the code was written.
 Standard @command{awk} built-in functions, such as @code{sin()} or
 @code{substr()} are @emph{not} shadowed in this way.
 
+The @code{PROCINFO["argv"]} array contains all of the command-line arguments
+(after glob expansion and redirection processing on platforms where that must
+be done manually by the program) with subscripts ranging from 0 through
+@code{argc} @minus{} 1.  For example, @code{PROCINFO["argv"][0]} will contain
+the name by which @command{gawk} was invoked.  Here is an example of how this
+feature may be used:
+
+@example
+awk '
+BEGIN @{
+        for (i = 0; i < length(PROCINFO["argv"]); i++)
+                print i, PROCINFO["argv"][i]
+@}'
+@end example
+
+Please note that this differs from the standard @code{ARGV} array which does
+not include command-line arguments that have already been processed by
+@command{gawk} (@pxref{ARGC and ARGV}).
+
 @end ignore
 
 @node Invoking Summary
@@ -14606,8 +14625,8 @@ The current version of BWK @command{awk} and @command{mawk}
 also support @code{nextfile}.  However, they don't allow the
 @code{nextfile} statement inside function bodies (@pxref{User-defined}).
 @command{gawk} does; a @code{nextfile} inside a function body reads the
-next record and starts processing it with the first rule in the program,
-just as any other @code{nextfile} statement.
+first record from the next file and starts processing it with the first
+rule in the program, just as any other @code{nextfile} statement.
 
 @node Exit Statement
 @subsection The @code{exit} Statement
@@ -38746,6 +38765,8 @@ the bug reporting address is preferred because the
 email list is archived at the GNU Project.
 @emph{All email must be in English. This is the only language
 understood in common by all the maintainers.}
+In addition, please be sure to send all mail in @emph{plain text},
+not (or not exclusively) in HTML.
 
 @cindex @code{comp.lang.awk} newsgroup
 @quotation CAUTION
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index e75fd214..a8af903e 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -4819,6 +4819,25 @@ function names added by @command{gawk} after the code was written.
 Standard @command{awk} built-in functions, such as @code{sin()} or
 @code{substr()} are @emph{not} shadowed in this way.
 
+The @code{PROCINFO["argv"]} array contains all of the command-line arguments
+(after glob expansion and redirection processing on platforms where that must
+be done manually by the program) with subscripts ranging from 0 through
+@code{argc} @minus{} 1.  For example, @code{PROCINFO["argv"][0]} will contain
+the name by which @command{gawk} was invoked.  Here is an example of how this
+feature may be used:
+
+@example
+awk '
+BEGIN @{
+        for (i = 0; i < length(PROCINFO["argv"]); i++)
+                print i, PROCINFO["argv"][i]
+@}'
+@end example
+
+Please note that this differs from the standard @code{ARGV} array which does
+not include command-line arguments that have already been processed by
+@command{gawk} (@pxref{ARGC and ARGV}).
+
 @end ignore
 
 @node Invoking Summary
@@ -13934,8 +13953,8 @@ The current version of BWK @command{awk} and @command{mawk}
 also support @code{nextfile}.  However, they don't allow the
 @code{nextfile} statement inside function bodies (@pxref{User-defined}).
 @command{gawk} does; a @code{nextfile} inside a function body reads the
-next record and starts processing it with the first rule in the program,
-just as any other @code{nextfile} statement.
+first record from the next file and starts processing it with the first
+rule in the program, just as any other @code{nextfile} statement.
 
 @node Exit Statement
 @subsection The @code{exit} Statement
@@ -37837,6 +37856,8 @@ the bug reporting address is preferred because the
 email list is archived at the GNU Project.
 @emph{All email must be in English. This is the only language
 understood in common by all the maintainers.}
+In addition, please be sure to send all mail in @emph{plain text},
+not (or not exclusively) in HTML.
 
 @cindex @code{comp.lang.awk} newsgroup
 @quotation CAUTION
diff --git a/main.c b/main.c
index ef4f8550..b17ab309 100644
--- a/main.c
+++ b/main.c
@@ -892,6 +892,33 @@ load_environ()
 	return ENVIRON_node;
 }
 
+static void
+load_procinfo_argv()
+{
+	NODE *tmp;
+	NODE **aptr;
+	NODE *argv_array;
+	int i;
+
+	tmp = make_string("argv", 4);
+	aptr = assoc_lookup(PROCINFO_node, tmp);
+	unref(tmp);
+	unref(*aptr);
+	getnode(argv_array);
+ 	memset(argv_array, '\0', sizeof(NODE));  /* valgrind wants this */
+	null_array(argv_array);
+	*aptr = argv_array;
+	argv_array->parent_array = PROCINFO_node;
+	argv_array->vname = estrdup("argv", 4);
+	for (i = 0; d_argv[i] != NULL; i++) {
+		tmp = make_number(i);
+		aptr = assoc_lookup(argv_array, tmp);
+		unref(tmp);
+		unref(*aptr);
+		*aptr = make_string(d_argv[i], strlen(d_argv[i]));
+	}
+}
+
 /* load_procinfo --- populate the PROCINFO array */
 
 static NODE *
@@ -991,6 +1018,7 @@ load_procinfo()
 		groupset = NULL;
 	}
 #endif
+	load_procinfo_argv();
 	return PROCINFO_node;
 }
 
diff --git a/symbol.c b/symbol.c
index 845d3797..84574e7b 100644
--- a/symbol.c
+++ b/symbol.c
@@ -560,6 +560,7 @@ load_symbols()
 	memset(sym_array, '\0', sizeof(NODE));	/* PPC Mac OS X wants this */
 	null_array(sym_array);
 
+	unref(tmp);
 	unref(*aptr);
 	*aptr = sym_array;