Function curses_break_str

win/curses/cursmisc.c:285–357

given width */

char *
curses_break_str(const char *str, int width, int line_num)
{
    int last_space, count;
    char *retstr;
    int curline = 0;
    int strsize = (int) strlen(str) + 1;
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) && !defined(_MSC_VER)
    char substr[strsize];
    char curstr[strsize];
    char tmpstr[strsize];

    strcpy(substr, str);
#else
#ifndef BUFSZ
#define BUFSZ 256
#endif
    char substr[BUFSZ * 2];
    char curstr[BUFSZ * 2];
    char tmpstr[BUFSZ * 2];

    if (strsize > (BUFSZ * 2) - 1) {
        paniclog("curses", "curses_break_str() string too long.");
        strncpy(substr, str, (BUFSZ * 2) - 2);
        substr[(BUFSZ * 2) - 1] = '\0';
    } else
        strcpy(substr, str);
#endif

    while (curline < line_num) {
        if (strlen(substr) == 0) {
            break;
        }
        curline++;
        last_space = 0;
        for (count = 0; count <= width; count++) {
            if (substr[count] == ' ') {
                last_space = count;
            } else if (substr[count] == '\0') {
                last_space = count;
                break;
            }
        }
        if (last_space == 0) {  /* No spaces found */
            last_space = count - 1;
        }
        for (count = 0; count < last_space; count++) {
            curstr[count] = substr[count];
        }
        curstr[count] = '\0';
        if (substr[count] == '\0') {
            break;
        }
        for (count = (last_space + 1); count < (int) strlen(substr); count++) {
            tmpstr[count - (last_space + 1)] = substr[count];
        }
        tmpstr[count - (last_space + 1)] = '\0';
        strcpy(substr, tmpstr);