sh: Allow arbitrarily large numbers in break and continue.
The argument is capped to loopnest, so strtol()'s [ERANGE] can be ignored.
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120d6dd50d
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4d34663be3
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=268927
@ -1250,8 +1250,16 @@ bltincmd(int argc, char **argv)
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int
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breakcmd(int argc, char **argv)
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{
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int n = argc > 1 ? number(argv[1]) : 1;
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long n;
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char *end;
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if (argc > 1) {
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/* Allow arbitrarily large numbers. */
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n = strtol(argv[1], &end, 10);
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if (!is_digit(argv[1][0]) || *end != '\0')
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error("Illegal number: %s", argv[1]);
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} else
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n = 1;
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if (n > loopnest)
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n = loopnest;
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if (n > 0) {
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@ -14,6 +14,7 @@ FILES+= break2.0 break2.0.stdout
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FILES+= break3.0
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FILES+= break4.4
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FILES+= break5.4
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FILES+= break6.0
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FILES+= builtin1.0
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FILES+= case1.0
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FILES+= case2.0
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8
bin/sh/tests/builtins/break6.0
Normal file
8
bin/sh/tests/builtins/break6.0
Normal file
@ -0,0 +1,8 @@
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# $FreeBSD$
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# Per POSIX, this need only work if LONG_MAX > 4294967295.
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while :; do
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break 4294967296
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echo bad
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exit 3
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done
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