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58 lines
2.5 KiB
58 lines
2.5 KiB
List of bugs fixed.
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1. ofs-rebuild: OFS value used to rebuild the record was incorrect.
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Fixed August 19, 2014. Revised fix August 2018.
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2. system-status: Instead of a floating-point division by 256, use
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the wait(2) macros to create a reasonable exit status. Fixed March 12, 2016.
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3. space: Use provided xisblank() function instead of ispace() for
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matching [[:blank:]].
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4. a-format: Add POSIX standard %a and %A to supported formats. Check
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at runtime that this format is available.
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5. decr-NF: Decrementing NF did not change $0. This is a decades-old
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bug. There are interactions with the old and new value of OFS as well.
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Most of the fix came from the NetBSD awk.
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6. string-conv: String conversions of scalars were sticky. Once a
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conversion to string happened, even with OFMT, that value was used until
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a new numeric value was assigned, even if OFMT differed from CONVFMT,
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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. concat-assign-same: Concatenation previously evaluated both sides of the
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expression before doing its work, which, since assign() evaluates to the cell
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being assigned to, meant that expressions like "print (a = 1) (a = 2)" would
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print "22" rather than "12".
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9. 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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10. 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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11. 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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12. numeric-subsep, numeric-fs, numeric-output-seps, numerics-rs: If SUBSEP,
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FS, RS, OFS, or ORS were set to a numeric value, then their string values
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wouldn't always be generated before being needed.
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13. subsep-overflow: The length of SUBSEP needs to be rechecked after
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calling execute(), in case SUBSEP itself has been changed.
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14. 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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15. getline-numeric: The `getline xx < file' syntax did not check if
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values were numeric, in discordance from POSIX. Test case adapted from
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one posted by Ben Bacarisse <ben.usenet@bsb.me.uk> in comp.lang.awk,
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January 2019.
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