From: Francois Fleuret Date: Tue, 16 Mar 2010 20:22:53 +0000 (+0100) Subject: Moved the help in its own function. X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=commitdiff_plain;h=5ca5782212c0371f36f1ebbb397208e5eee2110a;p=selector.git Moved the help in its own function. --- diff --git a/selector.c b/selector.c index a5b620e..e6b49aa 100644 --- a/selector.c +++ b/selector.c @@ -142,6 +142,40 @@ void error_feedback() { } } +void print_help(FILE *out) { + + fprintf(out, "Selector version %s-R%s (%s)\n", VERSION, REVISION_NUMBER, UNAME); + fprintf(out, "Written by Francois Fleuret .\n"); + fprintf(out, "\n"); + fprintf(out, "Usage: selector [options] [ [ ...]]\n"); + fprintf(out, "\n"); + fprintf(out, " -h show this help\n"); + fprintf(out, " -v inject the selected line in the tty\n"); + fprintf(out, " -w quote control characters with ^Qs when using -v\n"); + fprintf(out, " -d remove duplicated lines\n"); + fprintf(out, " -b remove the bash history line prefix\n"); + fprintf(out, " -z remove the zsh history line prefix\n"); + fprintf(out, " -i invert the order of lines\n"); + fprintf(out, " -e start in regexp mode\n"); + fprintf(out, " -a start in case sensitive mode\n"); + fprintf(out, " -m monochrome mode\n"); + fprintf(out, " -q make a flash instead of a beep on an edition error\n"); + fprintf(out, " -- all following arguments are filenames\n"); + fprintf(out, " -t \n"); + fprintf(out, " add a title in the modeline\n"); + fprintf(out, " -c <fg modeline> <bg modeline> <fg highlight> <bg highlight>\n"); + fprintf(out, " set the display colors\n"); + fprintf(out, " -o <output filename>\n"); + fprintf(out, " set a file to write the selected line to\n"); + fprintf(out, " -s <pattern separator>\n"); + fprintf(out, " set the symbol to separate substrings in the pattern\n"); + fprintf(out, " -x <label separator>\n"); + fprintf(out, " set the symbol to terminate the label\n"); + fprintf(out, " -l <max number of lines>\n"); + fprintf(out, " set the maximum number of lines to take into account\n"); + fprintf(out, "\n"); +} + /*********************************************************************/ /* A quick and dirty hash table */ @@ -895,45 +929,13 @@ int main(int argc, char **argv) { } if(show_help || error) { - FILE *out; - if(show_help) { - out = stdout; + if(error) { + print_help(stderr); + exit(EXIT_FAILURE); } else { - out = stderr; - } - - fprintf(out, "Selector version %s-R%s (%s)\n", VERSION, REVISION_NUMBER, UNAME); - fprintf(out, "Written by Francois Fleuret <francois@fleuret.org>.\n"); - fprintf(out, "\n"); - fprintf(out, "Usage: %s [options] [<filename1> [<filename2> ...]]\n", - argv[0]); - fprintf(out, "\n"); - fprintf(out, " -h show this help\n"); - fprintf(out, " -v inject the selected line in the tty\n"); - fprintf(out, " -w quote control characters with ^Qs when using -v\n"); - fprintf(out, " -d remove duplicated lines\n"); - fprintf(out, " -b remove the bash history line prefix\n"); - fprintf(out, " -z remove the zsh history line prefix\n"); - fprintf(out, " -i invert the order of lines\n"); - fprintf(out, " -e start in regexp mode\n"); - fprintf(out, " -a start in case sensitive mode\n"); - fprintf(out, " -m monochrome mode\n"); - fprintf(out, " -q make a flash instead of a beep on an edition error\n"); - fprintf(out, " -- all following arguments are filenames\n"); - fprintf(out, " -t <title>\n"); - fprintf(out, " add a title in the modeline\n"); - fprintf(out, " -c <fg modeline> <bg modeline> <fg highlight> <bg highlight>\n"); - fprintf(out, " set the display colors\n"); - fprintf(out, " -o <output filename>\n"); - fprintf(out, " set a file to write the selected line to\n"); - fprintf(out, " -s <pattern separator>\n"); - fprintf(out, " set the symbol to separate substrings in the pattern\n"); - fprintf(out, " -x <label separator>\n"); - fprintf(out, " set the symbol to terminate the label\n"); - fprintf(out, " -l <max number of lines>\n"); - fprintf(out, " set the maximum number of lines to take into account\n"); - fprintf(out, "\n"); - exit(error); + print_help(stdout); + exit(EXIT_SUCCESS); + } } lines = safe_malloc(nb_lines_max * sizeof(char *));