cleaner code - iomenu - interactive terminal-based selection menu
 (HTM) git clone git://bitreich.org/iomenu git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/iomenu
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       ---
 (DIR) commit 277ca72956b6deb921cbe96f981214602624c6ac
 (DIR) parent cf83d371853dced03fb2db5af7f2b8e04e48f469
 (HTM) Author: Josuah Demangeon <mail@josuah.net>
       Date:   Tue, 31 Oct 2017 15:59:42 +0100
       
       cleaner code
       
       Diffstat:
         M buffer.c                            |      28 ++++++++++++++++------------
         M main.c                              |       2 +-
       
       2 files changed, 17 insertions(+), 13 deletions(-)
       ---
 (DIR) diff --git a/buffer.c b/buffer.c
       @@ -79,29 +79,33 @@ read_stdin(void)
        void
        filter(void)
        {
       -        int tokc = 0;
       -        int n = 0;
       -        int i;
       -        char **tokv = NULL;
       -        char *s;
       -        char buffer[sizeof (input)];
                extern char **linev;
       -        extern current;
       +        extern int    current;
       +        int           tokc;
       +        int           n;
       +        char        **tokv = NULL;
       +        char         *s;
       +        char          buf[sizeof (input)];
        
                current = offset = next = 0;
       -        strcpy(buffer, input);
       -        for (s = strtok(buffer, " "); s; s = strtok(NULL, " "), tokc++) {
       +        strcpy(buf, input);
       +        tokc = 0;
       +        n = 0;
       +        s = strtok(buf, " ");
       +        while (s) {
                        if (tokc >= n) {
                                tokv = realloc(tokv, ++n * sizeof (*tokv));
                                if (tokv == NULL)
                                        die("realloc");
                        }
                        tokv[tokc] = s;
       +                s = strtok(NULL, " ");
       +                tokc++;
                }
                matchc = 0;
       -        for (i = 0; i < linec; i++)
       -                if (match_line(linev[i], tokv, tokc))
       -                        matchv[matchc++] = linev[i];
       +        for (n = 0; n < linec; n++)
       +                if (match_line(linev[n], tokv, tokc))
       +                        matchv[matchc++] = linev[n];
                free(tokv);
                if (opt['#'] && matchv[current][0] == '#')
                        move(+1);
 (DIR) diff --git a/main.c b/main.c
       @@ -47,7 +47,7 @@ set_terminal(void)
        {
                struct termios new;
        
       -        fputs("\x1b[s\x1b[?1049h", stderr);
       +        fputs("\x1b[s\x1b[?1049h\x1b[H", stderr);
                if (tcgetattr(ttyfd, &termios) < 0 || tcgetattr(ttyfd, &new) < 0) {
                        perror("tcgetattr");
                        exit(EXIT_FAILURE);