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top: add -m ("memory") option

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-09-11 23:26:42 +02:00
parent 56573cb4f7
commit 0052882200
4 changed files with 86 additions and 57 deletions
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14
libbb/getopt32.c
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@ -147,15 +147,15 @@ const char *opt_complementary
Special characters:
"-" A dash as the first char in a opt_complementary group forces
all arguments to be treated as options, even if they have
no leading dashes. Next char in this case can't be a digit (0-9),
use ':' or end of line. For example:
"-" A group consisting of just a dash forces all arguments
to be treated as options, even if they have no leading dashes.
Next char in this case can't be a digit (0-9), use ':' or end of line.
Example:
opt_complementary = "-:w-x:x-w";
getopt32(argv, "wx");
opt_complementary = "-:w-x:x-w"; // "-w-x:x-w" would also work,
getopt32(argv, "wx"); // but is less readable
Allows any arguments to be given without a dash (./program w x)
This makes it possible to use options without a dash (./program w x)
as well as with a dash (./program -x).
NB: getopt32() will leak a small amount of memory if you use