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Diffstat (limited to 'pod/perldiag.pod')
| -rw-r--r-- | pod/perldiag.pod | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/pod/perldiag.pod b/pod/perldiag.pod index 240ebcc3a7..402761db6f 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -214,6 +214,13 @@ know which context to supply to the right side. be garbage collected on exit. An SV was discovered to be outside any of those arenas. +=item Attempt to free non-existent shared string + +(P) Perl maintains a reference counted internal table of strings to +optimize the storage and access of hash keys and other strings. This +indicates someone tried to decrement the reference count of a string +that can no longer be found in the table. + =item Attempt to free temp prematurely (W) Mortalized values are supposed to be freed by the free_tmps() @@ -1062,6 +1069,18 @@ setgid script if C<$ENV{PATH}> is derived from data supplied (or potentially supplied) by the user. The script must set the path to a known value, using trustworthy data. See L<perlsec>. +=item Integer overflow in hex number + +(S) The literal hex number you have specified is too big for your +architecture. On a 32-bit architecture the largest hex literal is +0xFFFFFFFF. + +=item Integer overflow in octal number + +(S) The literal octal number you have specified is too big for your +architecture. On a 32-bit architecture the largest octal literal is +037777777777. + =item Internal inconsistency in tracking vforks (S) A warning peculiar to VMS. Perl keeps track of the number @@ -1425,6 +1444,13 @@ supplied it an uninitialized value. See L<perlform>. (S) You specified an odd number of elements to a hash list, which is odd, since hash lists come in key/value pairs. +=item Offset outside string + +(F) You tried to do a read/write/send/recv operation with an offset +pointing outside the buffer. This is difficult to imagine. +The sole exception to this is that C<sysread()>ing past the buffer +will extend the buffer and zero pad the new area. + =item oops: oopsAV (S) An internal warning that the grammar is screwed up. @@ -1655,6 +1681,30 @@ perspective, it's probably not what you intended. (F) Your C compiler uses POSIX getpgrp(), which takes no argument, unlike the BSD version, which takes a pid. +=item Possible attempt to put comments in qw() list + +(W) You probably wrote somthing like this: + + qw( a # a comment + b # another comment + ) ; + +when you should have written this: + + qw( a + b + ) ; + +=item Possible attempt to separate words with commas + +(W) You probably wrote somthing like this: + + qw( a, b, c ); + +when you should have written this: + + qw( a b c ); + =item Possible memory corruption: %s overflowed 3rd argument (F) An ioctl() or fcntl() returned more than Perl was bargaining for. |