long glossary line wraps without indentation about argtable3 HOT 3 CLOSED

struct arg_lit *update  = arg_litn("u", "update", 0, 1, "copy only when SOURCE files are");
struct arg_rem *update1 = arg_rem(NULL,                 "  newer than destination files");
struct arg_rem *update1 = arg_rem(NULL,                 "  or when destination files");
struct arg_rem *update2 = arg_rem(NULL,                 "  are missing");

-u, --update                   copy only when SOURCE files are
                                 newer than destination files
                                 or when the destination files
                                 are missing

/*
 * indent1 for the first line
 * indent2 for the following lines
 * width for the maximum text width
 */

int
fprint_wrap(FILE *file, const char *str, int indent1, int indent2, int width)
{
    int str_len;
    char *buf, *p1, *p2, *end, tmp_char;
    int indent, lineno;

    /* make a copy */
    str_len = strlen(str);
    buf = malloc(sizeof(*buf) * (str_len + 1));
    memcpy(buf, str, str_len + 1);

    p1 = p2 = buf;
    end = buf + str_len;
    lineno = -1;
    while (p1 < end) {
        lineno++;
        indent = lineno > 0 ? indent2 : indent1;
        while (p2 < end && p2 < p1 + width - indent && *p2 != '\n') {
            p2++;
        }
        if (*p2 == '\n') {
            *p2 = '\0';
            fprintf(stdout, "%*s %s\n", -indent, "", p1);
            p2++;
            p1 = p2;
        } else if (p2 == end) {
            fprintf(stdout, "%*s %s\n", -indent, "", p1);
            p1 = end;
        } else {
            while (*p2 != ' ' && p2 > p1) {
                p2--;
            }
            if (*p2 == ' ') {
                *p2 = '\0';
                fprintf(stdout, "%*s %s\n", -indent, "", p1);
                p2++;
                p1 = p2;
            } else if (p2 == p1) {
                p2 = p1 + width;
                tmp_char = *p2;
                *p2 = '\0';
                fprintf(stdout, "%*s %s\n", -indent, "", p1);
                *p2 = tmp_char;
                p1 = p2;
            }
        }
    }

    free(buf);
    return 0;
}