Function cbm_cmdline_put

src/foundation/subprocess.c:219–226

Append char `c` to buf[cap], reserving the final byte for a NUL terminator. * On overflow: sets *ovf, stops writing, and returns pos UNCHANGED — callers detect * the overflow via the *ovf flag (not via the return value). */

 * On overflow: sets *ovf, stops writing, and returns pos UNCHANGED — callers detect
 * the overflow via the *ovf flag (not via the return value). */
static size_t cbm_cmdline_put(char *buf, size_t cap, size_t pos, char c, bool *ovf) {
    if (pos + 1 >= cap) {
        *ovf = true;
        return pos;
    }
    buf[pos] = c;
    return pos + 1;
}

/* Append one argv element to the command line using the Microsoft C runtime
 * quoting rules (see MS "Parsing C Command-Line Arguments"). CreateProcess takes