| strings.subr (251272) | strings.subr (251278) |
|---|---|
| 1if [ ! "$_STRINGS_SUBR" ]; then _STRINGS_SUBR=1 2# 3# Copyright (c) 2006-2013 Devin Teske 4# All Rights Reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: --- 10 unchanged lines hidden (view full) --- 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# | 1if [ ! "$_STRINGS_SUBR" ]; then _STRINGS_SUBR=1 2# 3# Copyright (c) 2006-2013 Devin Teske 4# All Rights Reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: --- 10 unchanged lines hidden (view full) --- 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# |
| 27# $FreeBSD: head/usr.sbin/bsdconfig/share/strings.subr 251272 2013-06-02 23:08:21Z dteske $ | 27# $FreeBSD: head/usr.sbin/bsdconfig/share/strings.subr 251278 2013-06-02 23:25:27Z dteske $ |
| 28# 29############################################################ GLOBALS 30 31# 32# Valid characters that can appear in an sh(1) variable name 33# 34# Please note that the character ranges A-Z and a-z should be avoided because 35# these can include accent characters (which are not valid in a variable name). --- 30 unchanged lines hidden (view full) --- 66 len = length($0) 67 max -= len 68 print substr($0,0,(max > 0 ? len : max + len)) 69 if ( max < 0 ) exit 70 max-- 71 }'\' \) 72} 73 | 28# 29############################################################ GLOBALS 30 31# 32# Valid characters that can appear in an sh(1) variable name 33# 34# Please note that the character ranges A-Z and a-z should be avoided because 35# these can include accent characters (which are not valid in a variable name). --- 30 unchanged lines hidden (view full) --- 66 len = length($0) 67 max -= len 68 print substr($0,0,(max > 0 ? len : max + len)) 69 if ( max < 0 ) exit 70 max-- 71 }'\' \) 72} 73 |
| 74# f_vsnprintf $var_to_set $size $format $format_args 75# 76# Similar to vsnprintf(3), write at most $size number of bytes into $var_to_set 77# using printf(1) syntax (`$format $format_args'). The value of $var_to_set is 78# NULL unless at-least one byte is stored from the output. 79# 80# Example 1: 81# 82# limit=7 format="%s" 83# format_args="'abc 123'" # 3-spaces between abc and 123 84# f_vsnprintf foo $limit "$format" "$format_args" # foo=[abc 1] 85# 86# Example 2: 87# 88# limit=12 format="%s %s" 89# format_args=" 'doghouse' 'foxhound' " 90# # even more spaces added to illustrate escape-method 91# f_vsnprintf foo $limit "$format" "$format_args" # foo=[doghouse fox] 92# 93# Example 3: 94# 95# limit=13 format="%s %s" 96# f_shell_escape arg1 'aaa"aaa' # arg1=[aaa"aaa] (no change) 97# f_shell_escape arg2 "aaa'aaa" # arg2=[aaa'\''aaa] (escaped s-quote) 98# format_args="'$arg1' '$arg2'" # use single-quotes to surround args 99# f_vsnprintf foo $limit "$format" "$format_args" # foo=[aaa"aaa aaa'a] 100# 101# In all of the above examples, the call to f_vsnprintf() does not change. Only 102# the contents of $limit, $format, and $format_args changes in each example. 103# 104f_vsnprintf() 105{ 106 eval f_snprintf \"\$1\" \"\$2\" \"\$3\" $4 107} 108 |
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| 74# f_longest_line_length 75# 76# Simple wrapper to an awk(1) script to print the length of the longest line of 77# input (read from stdin). Supports the newline escape-sequence `\n' for 78# splitting a single line into multiple lines. 79# 80f_longest_line_length_awk=' 81BEGIN { longest = 0 } --- 210 unchanged lines hidden --- | 109# f_longest_line_length 110# 111# Simple wrapper to an awk(1) script to print the length of the longest line of 112# input (read from stdin). Supports the newline escape-sequence `\n' for 113# splitting a single line into multiple lines. 114# 115f_longest_line_length_awk=' 116BEGIN { longest = 0 } --- 210 unchanged lines hidden --- |