static int get_str(char *buf, int buf_size, const char **pp) { const char *p; char *q; int c; q = buf; p = *pp; while (qemu_isspace(*p)) p++; if (*p == '\0') { fail: *q = '\0'; *pp = p; return -1; } if (*p == '\"') { p++; while (*p != '\0' && *p != '\"') { if (*p == '\\') { p++; c = *p++; switch(c) { case 'n': c = '\n'; break; case 'r': c = '\r'; break; case '\\': case '\'': case '\"': break; default: qemu_printf("unsupported escape code: '\\%c'\n", c); goto fail; } if ((q - buf) < buf_size - 1) { *q++ = c; } } else { if ((q - buf) < buf_size - 1) { *q++ = *p; } p++; } } if (*p != '\"') { qemu_printf("unterminated string\n"); goto fail; } p++; } else { while (*p != '\0' && !qemu_isspace(*p)) { if ((q - buf) < buf_size - 1) { *q++ = *p; } p++; } } *q = '\0'; *pp = p; return 0; }