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fix indizes

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This commit is contained in:
Lennart Buhl 2013-11-02 20:50:42 +01:00
parent 33781be4d6
commit fb592b6f13
1 changed files with 9 additions and 5 deletions
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14
src/display.c
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@ -23,7 +23,7 @@ void cleanup_display() {
uint32_t height; // normally 25, may vary
char *image; // dimension is width x height
*/
void print_current_image(struct message* msg, int start, int end) {
static void print_current_image(const struct message* msg, int start, int end) {
end = 80; // end is ignored and 80 is used, should be handled properly later
//move(0,0); // start in the upper left corner
@ -31,12 +31,11 @@ void print_current_image(struct message* msg, int start, int end) {
for (int row=0; row < 25; row++) { // iterate over rows
char *original_line = pic + row * msg->width; // pointer to the start of the line to print
char *line = (char*) malloc(end+1); // allocate a line because we modify it
char *line = (char*) malloc(end-start+1); // allocate a line because we modify it
strcpy(line, original_line + start); // get a line from the right start
line[end] = '\0'; // terminate it
line[end-start] = '\0'; // terminate it
mvprintw(row, 0, "%s", line); // print it
free(line); // free it
}
@ -44,8 +43,13 @@ void print_current_image(struct message* msg, int start, int end) {
}
void callback(const struct message *msg) {
printf("in callback, tst=%d\n", msg->timestamp);
int start;
print_current_image(msg, start, start+80);
}