diff options
Diffstat (limited to 'usr.sbin/bsdconfig/share/strings.subr')
| -rw-r--r-- | usr.sbin/bsdconfig/share/strings.subr | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/usr.sbin/bsdconfig/share/strings.subr b/usr.sbin/bsdconfig/share/strings.subr index f78948b..25cceee 100644 --- a/usr.sbin/bsdconfig/share/strings.subr +++ b/usr.sbin/bsdconfig/share/strings.subr @@ -46,7 +46,7 @@ VALID_VARNAME_CHARS="0-9ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_" ############################################################ FUNCTIONS -# f_substr "$string" $start [ $length ] +# f_substr "$string" $start [$length] # # Simple wrapper to awk(1)'s `substr' function. # @@ -56,17 +56,18 @@ f_substr() echo "$string" | awk "{ print substr(\$0, $start, $len) }" } -# f_snprintf $var_to_set $size $format ... +# f_snprintf $var_to_set $size $format [$arguments ...] # # Similar to snprintf(3), write at most $size number of bytes into $var_to_set -# using printf(1) syntax (`$format ...'). The value of $var_to_set is NULL -# unless at-least one byte is stored from the output. +# using printf(1) syntax (`$format [$arguments ...]'). The value of $var_to_set +# is NULL unless at-least one byte is stored from the output. # f_snprintf() { local __var_to_set="$1" __size="$2" - shift 2 # var_to_set/size - eval "$__var_to_set"=\$\( printf \"\$@\" \| awk -v max=\"\$__size\" \'' + shift 2 # var_to_set size + eval "$__var_to_set"=\$\( printf -- \"\$@\" \| \ + awk -v max=\"\$__size\" \'' { len = length($0) max -= len @@ -76,6 +77,18 @@ f_snprintf() }'\' \) } +# f_sprintf $var_to_set $format [$arguments ...] +# +# Similar to sprintf(3), write a string into $var_to_set using printf(1) syntax +# (`$format [$arguments ...]'). +# +f_sprintf() +{ + local __var_to_set="$1" + shift 1 # var_to_set + eval "$__var_to_set"=\$\( printf -- \"\$@\" \) +} + # f_vsnprintf $var_to_set $size $format $format_args # # Similar to vsnprintf(3), write at most $size number of bytes into $var_to_set @@ -111,6 +124,16 @@ f_vsnprintf() eval f_snprintf \"\$1\" \"\$2\" \"\$3\" $4 } +# f_vsprintf $var_to_set $format $format_args +# +# Similar to vsprintf(3), write a string into $var_to_set using printf(1) +# syntax (`$format $format_args'). +# +f_vsprintf() +{ + eval f_sprintf \"\$1\" \"\$2\" $3 +} + # f_longest_line_length # # Simple wrapper to an awk(1) script to print the length of the longest line of |
