Fix uiprompt to return NULL on error (cancelation) - sacc - sacc(omys), simple console gopher client
 (HTM) git clone git://bitreich.org/sacc/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/sacc/
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       ---
 (DIR) commit c99d484c0e3619be44cb21f3b9f15d04a1e703c9
 (DIR) parent 5fadc79985c013fe96490029054ef46299a4483a
 (HTM) Author: Quentin Rameau <quinq@fifth.space>
       Date:   Thu, 31 Aug 2017 18:31:52 +0200
       
       Fix uiprompt to return NULL on error (cancelation)
       
       Thanks to solene for spotting this!
       
       Diffstat:
         M ui_ti.c                             |       6 ++++--
         M ui_txt.c                            |       7 +++++--
       
       2 files changed, 9 insertions(+), 4 deletions(-)
       ---
 (DIR) diff --git a/ui_ti.c b/ui_ti.c
       @@ -74,10 +74,12 @@ uiprompt(char *fmt, ...)
                putp(tparm(restore_cursor));
                fflush(stdout);
        
       -        if (r < 0)
       +        if (r < 0) {
                        clearerr(stdin);
       -        else if (input[r - 1] == '\n')
       +                clear(&input);
       +        } else if (input[r - 1] == '\n') {
                        input[--r] = '\0';
       +        }
                
                return input;
        }
 (DIR) diff --git a/ui_txt.c b/ui_txt.c
       @@ -99,10 +99,13 @@ uiprompt(char *fmt, ...)
        
                fflush(stdout);
        
       -        if ((r = getline(&input, &n, stdin)) < 0)
       +        if ((r = getline(&input, &n, stdin)) < 0) {
                        clearerr(stdin);
       -        else if (input[r - 1] == '\n')
       +                clear(&input);
       +                putchar('\n');
       +        } else if (input[r - 1] == '\n') {
                        input[--r] = '\0';
       +        }
        
                return input;
        }