From 35bbe74272e8a4e0e4bbc2398107ce5228c5b381 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Tue, 15 Mar 2016 13:33:03 -0400
Subject: argv.h: usage screen generator: fix typesetting of spanning
paradigms.
---
src/internal/argv/argv.h | 31 +++++++++++++++++++++++++------
1 file changed, 25 insertions(+), 6 deletions(-)
(limited to 'src/internal')
diff --git a/src/internal/argv/argv.h b/src/internal/argv/argv.h
index cf24c56..90961b8 100644
--- a/src/internal/argv/argv.h
+++ b/src/internal/argv/argv.h
@@ -910,6 +910,9 @@ static void argv_usage(
}
}
+ para = 0;
+ next_para = 0;
+
if (option->argname) {
if (option->optarg == ARGV_OPTARG_OPTIONAL)
fprintf(file,"[%s]%-*c",
@@ -919,7 +922,6 @@ static void argv_usage(
fprintf(file,"%s%-*c",
option->argname,
(int)(paralen-strlen(option->argname)),' ');
- para = (char *)0;
} else if (option->paradigm && (rparalen <= paralen)) {
if (option->optarg == ARGV_OPTARG_OPTIONAL)
fprintf(file,"[{%s}]%-*c",
@@ -929,7 +931,6 @@ static void argv_usage(
fprintf(file,"{%s}%-*c",
option->paradigm,
(int)(paralen-strlen(option->paradigm)-rbblen),' ');
- para = (char *)0;
} else if (option->paradigm) {
if (!paradigm && !(paradigm = calloc(1,mparalen))) {
fputc('\n',file);
@@ -944,10 +945,8 @@ static void argv_usage(
fputc('{',file);
rparalen = paralen - rblen;
}
- } else {
+ } else
fprintf(file,"%-*c",(int)paralen,' ');
- para = (char *)0;
- }
if (!para && option->description && rdesclen <= desclen) {
@@ -960,6 +959,24 @@ static void argv_usage(
desc = (char *)0;
while (para || desc) {
+ if (para && next_para) {
+ if (option->optarg == ARGV_OPTARG_OPTIONAL) {
+ if (rparalen+2*rbblen <= paralen) {
+ fprintf(file," %s}]%-*c",para,
+ (int)(paralen-rparalen)
+ - 2*rbblen,' ');
+ para = (char *)0;
+ }
+ } else {
+ if (rparalen+2*rblen <= paralen) {
+ fprintf(file," %s}%-*c",para,
+ (int)(paralen-rparalen)
+ - 2*rblen,' ');
+ para = (char *)0;
+ }
+ }
+ }
+
if (para) {
next_para = para+rparalen-1;
@@ -1001,7 +1018,9 @@ static void argv_usage(
(int)(paralen-strlen(para)-rblen),' ');
para = (char *)0;
}
- } else if (desc > buf)
+ } else if (next_para && (desc > buf))
+ next_para = (char *)0;
+ else if (desc > buf)
fprintf(file,"%-*c",(int)paralen,' ');
if (desc) {
--
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