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ed: align output of read command with POSIX.1-2008

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POSIX.1-2008 mandates the following regarding the read command:

	If the read is successful, and -s was not specified, the number
	of bytes read shall be written to standard output in the
	following format:

	    "%d\n", <number of bytes read>

This commit aligns the output of busybox ed with POSIX.1-2008 by
removing the file name from the output for the read command.

This slipped through in 4836a0708fd0aaeb82871a3762b40fcf4b61e812.

function                                             old     new   delta
.rodata                                           104203  104196      -7
readLines                                            409     388     -21
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-28)             Total: -28 bytes

Signed-off-by: Sören Tempel <soeren+git@soeren-tempel.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Sören Tempel 2021-11-17 15:12:25 +01:00 committed by Denys Vlasenko
parent f26eb796e2
commit a05a3d5932
1 changed files with 0 additions and 3 deletions
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editors/ed.c
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@ -402,9 +402,6 @@ static int readLines(const char *file, int num)
charCount = 0; charCount = 0;
cc = 0; cc = 0;
printf("\"%s\", ", file);
fflush_all();
do { do {
cp = memchr(bufPtr, '\n', bufUsed); cp = memchr(bufPtr, '\n', bufUsed);