Function trimspaces

src/hacklib.c:163–176

skip leading whitespace; remove trailing whitespace, in place */

/* skip leading whitespace; remove trailing whitespace, in place */
char *
trimspaces(char *txt)
{
    char *end;

    /* leading whitespace will remain in the buffer */
    while (*txt == ' ' || *txt == '\t')
        txt++;
    end = eos(txt);
    while (--end >= txt && (*end == ' ' || *end == '\t'))
        *end = '\0';

    return txt;
}

/* remove \n from end of line; remove \r too if one is there */
char *