skroll

scroll a text to stdout
git clone git://z3bra.org/skroll
Log | Files | Refs | README | LICENSE

commit 023883a38d9337827af5d81c34ec7bca1c5c2763
parent 1a40c6b37cd6aec6c0e0694d95b2bf43a7d51a96
Author: z3bra <willy@mailoo.org>
Date:   Wed Sep  3 17:32:35 2014

Removed a useless if() that broke the program

Diffstat:
 skroll.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/skroll.c b/skroll.c @@ -52,14 +52,9 @@ void zero_fill (char **str, size_t num) return; /* void */ } -/* - * pad a string with <num> spaces, and append chars from <str> to it, until its - * lenght is <len> - */ +/* pad string <pad> string with <num> spaces and fill out to <len> with <str> */ void zero_pad (char **pad, const char *str, size_t len, size_t num) { - /* fill the memory with zeros */ - memset ( (*pad), 0, len ); /* pad the string with 0x20 (space char) */ memset ( (*pad), 0x20, num ); @@ -90,6 +85,10 @@ void skroll (const char *input) /* loop executed on each step, after <delay> seconds */ while ( input[offset] != 0 ) { + + /* fill the memory with zeros */ + memset ( buf, 0, number ); + /* * There are two different parts: padding, and filling. * padding is adding spaces at the beginning to simulate text @@ -104,11 +103,10 @@ void skroll (const char *input) */ zero_pad(&buf, input, number, padder); padder--; - } else /* Once padding is finished, we start "hiding" text to the left */ - if ( offset < number ) { + } else { /* copy the number of char we want to the buffer */ - strncpy(buf, input + offset, number-1); + strncpy(buf, input + offset, number); /* fill missing chars with spaces */ zero_fill(&buf, number);