Merge branch 'master' into split-fs-from-array
This commit is contained in:
commit
8dfde739e9
@ -1,3 +1,9 @@
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2018-08-29 Arnold D. Robbins <arnold@skeeve.com>
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* REGRESS: Check for existence of a.out. If not there, run
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make. Enable core dumps for T.arnold system status test
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to work on MacOS X.
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2018-08-22 Arnold D. Robbins <arnold@skeeve.com>
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* awktest.tar (testdir/T.expr): Fix test for unary plus.
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5
FIXES
5
FIXES
@ -25,6 +25,11 @@ THIS SOFTWARE.
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This file lists all bug fixes, changes, etc., made since the AWK book
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was sent to the printers in August, 1987.
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Oct 25, 2018:
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Added test in maketab.c to prevent generating a proctab entry
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for YYSTYPE_IS_DEFINED. It was harmless but some gcc settings
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generated a warning message. Thanks to Nan Xiao for report.
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Aug 27, 2018:
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Disallow '$' in printf formats; arguments evaluated in order
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and printed in order.
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15
REGRESS
15
REGRESS
@ -1,5 +1,15 @@
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#! /bin/sh
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case `uname` in
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CYGWIN) EXE=a.exe ;;
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*) EXE=a.out ;;
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esac
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if [ ! -f $EXE ]
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then
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make || exit 1
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fi
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if [ -d testdir ]
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then
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true # do nothing
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@ -16,5 +26,10 @@ cd testdir
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pwd
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PATH=.:$PATH
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export PATH
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if (ulimit -c unlimited > /dev/null 2>&1)
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then
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# Workaround broken default on MacOS X
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ulimit -c unlimited
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fi
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REGRESS
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@ -24,7 +24,16 @@ and also if CONVFMT changed.
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7. unary-plus: Unary plus on a string constant returned the string.
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Instead, it should convert the value to numeric and give that value.
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8. missing-precision: When using the format string "%*s", the precision
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argument was used without checking if it was present first.
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9. fmt-overflow: The buffer used for OFMT/CONVFMT conversions was written
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to with sprintf(), which meant that some conversions could write past the
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end.
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X. split-fs-from-array: If the third argument to split() comes from the
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array passed as the second argument, then split() would previously read
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from the freed memory and possibly produce incorrect results (depending
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on the system's malloc()/free() behaviour.)
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1
bugs-fixed/fmt-overflow.awk
Normal file
1
bugs-fixed/fmt-overflow.awk
Normal file
@ -0,0 +1 @@
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BEGIN { OFMT = "%.1000f"; print 1.25; }
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1
bugs-fixed/fmt-overflow.ok
Normal file
1
bugs-fixed/fmt-overflow.ok
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@ -0,0 +1 @@
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1.2500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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1
bugs-fixed/missing-precision.awk
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1
bugs-fixed/missing-precision.awk
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@ -0,0 +1 @@
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BEGIN { printf("%*s"); }
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2
bugs-fixed/missing-precision.ok
Normal file
2
bugs-fixed/missing-precision.ok
Normal file
@ -0,0 +1,2 @@
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./a.out: not enough args in printf(%*s)
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source line number 1
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18
lex.c
18
lex.c
@ -198,6 +198,7 @@ int yylex(void)
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yylval.i = c;
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switch (c) {
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case '\n': /* {EOL} */
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lineno++;
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RET(NL);
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case '\r': /* assume \n is coming */
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case ' ': /* {WS}+ */
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@ -213,6 +214,7 @@ int yylex(void)
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case '\\':
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if (peek() == '\n') {
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input();
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lineno++;
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} else if (peek() == '\r') {
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input(); input(); /* \n */
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lineno++;
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@ -370,10 +372,11 @@ int string(void)
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case '\n':
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case '\r':
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case 0:
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*bp = '\0';
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SYNTAX( "non-terminated string %.10s...", buf );
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lineno++;
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if (c == 0) /* hopeless */
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FATAL( "giving up" );
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lineno++;
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break;
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case '\\':
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c = input();
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@ -515,6 +518,7 @@ int regexpr(void)
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if (!adjbuf(&buf, &bufsz, bp-buf+3, 500, &bp, "regexpr"))
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FATAL("out of space for reg expr %.10s...", buf);
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if (c == '\n') {
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*bp = '\0';
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SYNTAX( "newline in regular expression %.10s...", buf );
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unput('\n');
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break;
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@ -553,19 +557,19 @@ int input(void) /* get next lexical input character */
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lexprog++;
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} else /* awk -f ... */
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c = pgetc();
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if (c == '\n')
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lineno++;
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else if (c == EOF)
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if (c == EOF)
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c = 0;
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if (ep >= ebuf + sizeof ebuf)
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ep = ebuf;
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return *ep++ = c;
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*ep = c;
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if (c != 0) {
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ep++;
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}
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return (c);
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}
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void unput(int c) /* put lexical character back on input */
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{
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if (c == '\n')
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lineno--;
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if (yysptr >= yysbuf + sizeof(yysbuf))
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FATAL("pushed back too much: %.20s...", yysbuf);
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*yysptr++ = c;
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4
makefile
4
makefile
@ -34,8 +34,8 @@ CC = gcc -g -Wall -pedantic
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# yacc options. pick one; this varies a lot by system.
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#YFLAGS = -d -S
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#YACC = bison -d -y
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YACC = yacc -d
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YACC = bison -d -y
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#YACC = yacc -d
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# -S uses sprintf in yacc parser instead of sprint
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OFILES = b.o main.o parse.o proctab.o tran.o lib.o run.o lex.o
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@ -135,6 +135,8 @@ int main(int argc, char *argv[])
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n = sscanf(buf, "%1c %s %s %d", &c, def, name, &tok);
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if (c != '#' || (n != 4 && strcmp(def,"define") != 0)) /* not a valid #define */
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continue;
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if (strcmp(name, "YYSTYPE_IS_DECLARED") == 0)
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continue;
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if (tok < FIRSTTOKEN || tok > LASTTOKEN) {
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/* fprintf(stderr, "maketab funny token %d %s ignored\n", tok, buf); */
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continue;
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3
run.c
3
run.c
@ -863,6 +863,9 @@ int format(char **pbuf, int *pbufsize, const char *s, Node *a) /* printf-like co
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FATAL("'$' not permitted in awk formats");
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}
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if (*s == '*') {
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if (a == NULL) {
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FATAL("not enough args in printf(%s)", os);
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}
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x = execute(a);
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a = a->nnext;
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sprintf(t-1, "%d", fmtwd=(int) getfval(x));
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6
tran.c
6
tran.c
@ -395,7 +395,7 @@ Awkfloat getfval(Cell *vp) /* get float val of a Cell */
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static char *get_str_val(Cell *vp, char **fmt) /* get string val of a Cell */
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{
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char s[100]; /* BUG: unchecked */
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char s[256];
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double dtemp;
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if ((vp->tval & (NUM | STR)) == 0)
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@ -434,9 +434,9 @@ static char *get_str_val(Cell *vp, char **fmt) /* get string val of a Cel
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if (freeable(vp)) \
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xfree(vp->sval); \
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if (modf(vp->fval, &dtemp) == 0) /* it's integral */ \
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sprintf(s, "%.30g", vp->fval); \
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snprintf(s, sizeof (s), "%.30g", vp->fval); \
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else \
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sprintf(s, *fmt, vp->fval); \
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snprintf(s, sizeof (s), *fmt, vp->fval); \
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vp->sval = tostring(s); \
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vp->tval &= ~DONTFREE; \
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vp->tval |= STR; \
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